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User`s Manual HDAT2 v4.8

1. NR UK E US Ie RR 9 6 Auto Remove MI AN ELE ES eeeeeeeeeeeCe o BEIDE DIEGO ERE oo addc do dub cs E Du i deme Sc ducum ac ME ENIM ERU LE TUNE SE UE fU iUd Sica 81 MIO c cuite scd dcs Cau best iacu edu t nua aste fd cups iM MEE ME LM MM 81 EC PUER MO ai cir NT R A A M 82 FE Piciich Endble 22 2 aha ela I dub dictada Ga edel 82 Cache Enable default bit H Mec nme sh onn con meant ovrt su un tantnm 82 AWRE Automatic Write Reallocation enabled default bit 1 s M MP 82 ARR Automatic Read Reallocation enabled default bit 1 RC Read Continuous default ESSENT s scisco can dtr DOCE Diable de aul DIES inii ii ciens cic Gobiernos isi epos acd 83 Number af Retries default bytes isi oasis oci ots ocio td eot at octo kot ocho ous snes thous shoes ap 83 ECC Comecon Span default bylema i a ass so s ca tse em cad a soi t ceu 83 a 83 WCE Write Cache Enable default 1 vise gt Reallocat U
2. bbc Manu LU AM EL 19 pU LM ALS kes 19 MI BILE SYSTEM MENU a iissaisebiki s Er Cod bu y dIGus a intel e quo sa ge MD IDA EEG AM DM AM PAG RARE Cla ERE 20 E SIDE RR 20 M3 DEVICE INFORMATION unda a anusn nen iaa sau en e apa epu R AUS RR RAM ERRARE 21 MS Dio Idol TIIN asi ii tlc eiiis abico m itis Ci c mob ec Lec obse cete iecit 21 M3 2 Inquiry DATA ET D TOTEM 21 Bid Vira V DE uiia ed sina dias apis ta acd heus sheet lath cese 23 5 3 anim or Contin TOCPMA ATIP I 24 M36 Ont C ONPICUEEEIDN 1 ao ode ise ga Ss aac aac I Deed d coL aU 24 Pene ger RR sa 25 STATUS 25 up Rn aI c M REE eC HEE Season 25 s pneter ub aod rd i o S cnin 26 MES IO Duos IDENTIFY DEVICE ue iecit ai cuncti dida eot Git Sd aa iaa
3. 109 Piman de crt BUE E Lal eie d RERO 109 ut pores UATE ELC CUS A GO od usse iiu nee RE cic sinc 109 Data defect list DLIST Ciowrm defect st 109 WHO Flies iis eco a o cu oe toes Hp AE ESSE CO OLPO MIL GOAT bales as OE LL CE EE ais tunis 110 A MESSAGE Suruchi aaia 111 WT Sl N OE eee REO RCO ae ORT ae MTEC et ETE See ee eT OR ER Scri iuo c kere ea 111 m H X A 111 AL RN Rg ete 111 A 4 3 ISRCURITE pears PEG cdc eh talline ac ie hed a it ich nd ts ta a dla as bl a 113 PENA FEE Aq CP IM RERUM 113 A RR 02 a cn A at ha lta ela cd dla en eb i sas ic tah etn 2432 p CGuSI OE INCURRERE EET IIS PX O E TRIER 113 X 5 Error Messaces or ESCD i LI MEI a MU MILLE 119 Page vi Tables TABLE 1 USED FILE NAMES ecce cocco ee een nasa ora Co eo Cn na e Seda orbs Eee vob ena 9 TABLE 2 PRE DEFINED ADDRESS ie eeee ee sevo eva v e eoe eee eco cV aea eee ea eaae eee dev eeu eu eo eae Toe e eed sese Sue eae eS OE EEUU 16 TABLE 3 MODE
4. The devices will appears in form c d Oxxxh Oyyyh irq description C number of controller at detection d O master 1 slave Oxxxh base address of ATA registers hexadecimal Oyyyh alternate address of ATA registers hexadecimal irq number of interrupt description device name Text disabled or not present in field description means that on given controller and channel is not present any device or if is disabled in BIOS 2 9 Detection of ASPI ASPI Advanced SCSI Programming Interface With loaded ASPI driver for given SCSI controller we got on detection more information than without driver It will be detected all host adapters and all devices via ID and LUN from 0 to 255 With ASPI driver we can detect devices connected via SCSI controller parallel port etc devices like SCSI hard disk CD ZIP 2 10 Detection of BIOS INT13h This detection will detect devices connected in system via BIOS interrupt INT13h Detection will be successfully only if device supports extended interrupt INT13h Extended INT13h With this detection we find out e g devices like SCSI hard drive even in case not loaded ASPI drivers but with constraint of obtained informations about device Page 16 E g if is enabled detection BIOS INT13h only it will not detect ATAPI devices like CD ROM because these devices does not use interrupt INT13h even extended INT13h 2 11 Detection of operating system
5. PERDU esso ius P ET CE em du LR DES A De GIU Bees aT Sea tees NRE Soy LIE icd si studi itu Gaudi UU E dte EE D PERI TERRE E ELM URS AO Ei ag cece Seats tana cee elses aes RRRE Aio sty ess oda doc itch e b c Ex luc UE Oc CUR Jd DLE HO MON ccc uti inc AE E ceo Gr bc deu ncc d a d ee b E paren eis LS ees ro EST INNEREN 4 18 CHECK BOOT SIGNATURE A d Iud d Mu eee A EN SO I ene eee 4 21 DIR ROOT onty 2 ae aces Sie acon IC d OE ENERGIE SR TITRE Me edes eod da Pato TIC Se NN EST vEm e SL SCSLDEFEC oRRRRRRRRRERweeui 109 Mo UU GENERO Bh eB A Han E
6. 4 14 Running mode Values AUTO MANUAL Default MANUAL This parameter determines mode of program running In the current version is fully functional mode MANUAL only 4 15 Read Scan mode Values AUTO READ SCAN Default AUTO This parameter determines acquirement type of system informations on selected device With value READ program will read all this informations from device only if all required data field are filled With value SCAN program will looking for required informations on default designated places assigned by parameter Boundary mode With value AUTO at first is used parameter value READ If loading of informations will be not successful will be used parameter value SCAN 4 16 LBA CHS mode Values AUTO LBA CHS AUTO N A Default AUTO 4 17 Boundary mode Values AUTO Cylinder Head Sector Default AUTO This parameter determines boundary for searching of items about file system on device 4 18 Check boot signature Values enabled disabled Default disabled Test if sector contains the boot signature 55AAh 4 19 Prevent removal Values enabled disabled Default disabled 4 20 Eject medium Values enabled disabled Default disabled Page 105 4 21 DIR ROOT only Values enabled disabled Default disabled 4 22 Show ECC Values enabled disabled Default disabled With setting enable during testing will display in addition so called ECC codes Error Correction
7. Each parameter must be preceded with a switch program accept either a forward slash or a hyphen Parameters are delimited by one or more space characters Items listed between brackets are optional Every parameter is checked for duplicity availability and correct of setting In case of parameter error will be displayed order of parameter an error message and parameter value number of parameter error message parameter value Error messages Duplicate parameter duplicate parameter is found given twice or multiple times Unknown parameter wrong parameter not supported by this program Incorrect parameter switch or is missing value of parameter is out of range etc Parameters Dx Disable detection Default all enabled 1 CPU RAM BUS BIOS x x XK KK X tou mn ue Ww W I OU gt O x PCI x 7 PCI AHCI x 8 ATA ATAPI x 9 ASPI x 10 BIOS_INT13h x 11 OS operating system You can repeat the parameters e g HDAT2 d 1 7 G Set path name for BIX file Default current directory usable for FAT only Syntax G lt drive gt lt dir gt lt name gt This option is valid for demo program HDAT2DEM EXE only With this option you can set and use your own BIX file instead of HDAT2DEM BIX L Create Append HDETECT TXT file at startup Page 10 Default current directory usable for FAT only It is for debug purpose only If HDAT2 pr
8. User s Manual HDAT2 v4 8 Version 1 0 29 06 2010 Lubomir Cabla CBL http www hdat2 com Contents CONTENTS itliieucie e eibiska e oa exist EVE n HIR EE IR B EH URS M ESELOE CER HUI NUES UE SOUIM d la RUE DEMEURE Kia CAD Cea esed e EID ERE I ILTRICIES vu PICTURES inii decise pii en vel acit uc conubia En D Mai ii sec bas HM IG NA M CIN ERU pass vu PREFACE ETE TRETEN 8 1 HDAT2 PROGRAM 2 9 NEED AGREEMENT 1 2 USED INTERRUPTS KEYS he OG UELUT RR IA Cabe DOES RBS EDU PUE aatia cas dac aca Ch bn oc dba be b a Che dan Cb bc dana c cta acad 11 Qut poro BITS T ERR Ne 12 e E 1 H Help text of FOD TREES 15 Mi awb BADSHECTORRNG a 19 BID CBE RID UR i LI Ere MI E EE iL 19 MAE pin HD RIED DAD EDO Senatus pi E dei ICE I M 19 UL tM ipm 19 MIDI PERSE o niat i Mu E E I EUM
9. Profile Description Page 24 0043h BD RE 0050h HD DVD ROM 0051h HD DVD R 0052h HD DVD RAM FFFFh Drives not conforming to a standard profile M3 7 Read Disc Information This option is valid only for ATAPI device type of CD ROM The READ DISC INFORMATION command allows the Initiator to request information about the currently mounted disc like formats supported by device erasable medium state of last session recorded status of the disc empty incomplete finalized M3 8 Mechanism Status This option is valid only for ATAPI device type of CD ROM The Mechanism Status command requests that the Logical Unit respond with the current status of the device including any Changer Mechanism that adheres to the standard This command is intended to provide information to the Initiator about the current operational state of the Logical Unit The Logical Unit takes operational direction from both the Initiator and the user Movement of media in out of the Logical Unit as well as Play operations may be due to external controls or Initiator commands This command provides a method that allows the Initiator to know what has transpired with the changer mechanism M3 9 Log Sense The LOG SENSE command provides a means for the application client to retrieve statistical or other operational information maintained by the SCSI target device about the SCSI target device or its logical units The drive c
10. USAGE With concurrent reading and writing can be detected controller error shift of data at writing or at reading bad cache memory of device found CRC bad sectors will be repaired with consecutive writing good writing with incorrect reading or contrary DATA LOSS It executes reading with writing and should not come to data loss with these exceptions overwriting of bad sectors power failure or shutdown of PCs Page 101 4 2 10 Wipe TEST Test Wipe will overwrite all sectors on device with before prepared pattern default HDAT INDICATION W W USAGE Erasing and overwriting all data on device Therefore it will be eliminating all CRC bad sectors too This test detects errors of writing DATA LOSS All data will be loss 4 2 11 WipeReadWipe TEST Test WipeReadWipe at first overwrite sector with before prepared pattern default HDAT Then read over this sector check of writing and overwrite his again like in first step INDICATION W W R W USAGE Like at test Wipe Erasing and overwriting all data on device Therefore it will be eliminating all CRC bad sectors too This test detects errors of writing and reading This test could be used for device erasing with read write testing DATA LOSS All data will be loss 4 2 12 ReadECC TEST Test ReadECC read only ECC code of sectors It is not doing verification reading even writing of sectors This test is available onl
11. Finally we will detect and display type of the running operating system If is detected operating system like Windows DOS OS 2 DOS WinNT 2K DOS Windows Desqview or Linux DOS emulation appears message This program cannot be run in multitask environment and program exit Page 17 3 Menu The contents of the menu that appears depend on the type of device type of device detection and supported features Examples 1 Menu items specified only for devices as CD DVD does not appear for devices as hard disk respectively The same is valid for PATA SATA devices vs SCSI or USB devices 2 If hard disk does not support Host Protected Area feature set the menu item for Set Max Address will not be displayed 3 If hard disk does not support SET MAX security extension feature the menu items for SET MAX security Set Password Lock Unlock Freeze Lock will not be displayed 4 If hard disk does not support Host Protected Area feature set and SET MAX security extension feature the whole menu for SET MAX will not be displayed Supported features or commands can you find in Commands Menu Command Feature sets or in Device Information Menu Device Information 10 5 HDAT2 v4 6 lt c gt 2009 30 07 2009 14 13 55 010 Device List WDC WD2566JD G6FYBG Type Nr Device name BIOS LBA Capacity 88h 48 256 66 GB ExcelStor Technology J240 8ih 28 41 1 HL DT ST DUDRAM GSA 4163B QUANTUM ATLAS 10K 18U
12. Parameters LCD Mode S O 22h LCD Mode CD DVD Capabilities and Mechanical Status MRWCD RW 2h MRW CD RW Page 22 M3 4 Vital Product Data VPD This option is valid only for ATAPI SCSI or USB devices For SCSI and USB devices only in case with loaded ASPI driver These vital product data VPD pages are returned by an INQUIRY command with the EvPD bit set to one and contain vendor specific product information about a logical unit and target device The vital product data may include vendor identification product identification unit serial numbers device operating definitions manufacturing data e g plant and date of manufacture field replaceable unit information and other vendor specific or device specific information The standard defines the structure of the vital product data but not the contents Table 4 Vital product data VPD codes Page Description Device Identification 87h 8Ah 8Bh 90h 91h Protocol Specific Port Information BOh Block Limits Block Limits B1h B2h B3h COh FFh COh Firmware Revision Operation Mode Fujitsu Cih Date Code Unique Identification Quantum Manufacturing Number Maxtor Negotiated Rate Information Quantum C3h DOh Dih D2h Page 80h provides the product serial number and product circuit board number for the drive Page 81h defines the current operating definition the default operating definition and which operati
13. Seagate M3 9 1 Error counter log pages SCSI SPC standard defines the error counter log pages 02h Write Error Counter 03h Read Error Counter 04h Read Reverse Error Counter 05h Verify Error Counter A log page may return one or more log parameters that record events defined by the parameter codes Table 10 Parameter codes for error counter log pages Parameter code Description o Z o o y O 0000h Errors corrected without substantial delay 0001h Errors corrected with possible delays Page 26 0002h Total e g rewrites or rereads 0003h Total errors corrected 0004h Total times correction algorithm processed 8000h FFFFh M3 10 Dump IDENTIFY DEVICE This option will show 512 bytes as result from ATA or ATAPI command IDENTIFY DEVICE Page 27 M4 SMART Menu The SMART is Self Monitoring and Reporting Technology It is a standard interface allowing a hard disk drive to check its status report it to host system and provide some estimation for a failure date It is actually set of subroutines in device firmware which are doing diagnostics functions The SMART in BIOS only checks the status of the drive at boot time and can enable or disable SMART but cannot run operation of diagnostics tests The evolution of SMART Reliability prediction technology emerged from a widely recognized need to protect mission critical information stored on disc drives As
14. contains command to issue for ASPI manager and is used from driver and application program 00h SRB being processed busy in progress 01h SRB completed without error done 02h SRB aborted by host aborted 03h Unable to abort SRB abort fail 04h SRB completed with error error 10h SRB in progress with POST Nokia busy POST 80h Invalid ASPI command 81h Invalid host adapter number 82h SCSI device not installed bad device EOh Invalid parameter set in SRB E4h ASPI for windows failed init E5h ASPI is busy No resources available to execute command E6h Buffer size to big to handle X 4 Error Messages of PnP Bit 7 set to one indicates error Successful codes 00h e 00h SUCCESS Function completed successfully Warning codes 01h 7Fh e Olh Reserved 7Fh NOT_SET_STATICALLY Warning that indicates a device could not be configured statically but was Page 116 successfully configured dynamically This return code is used only when function 02h is requested to set a device both statically and dynamically Error codes 81h FFh 81h UNKNOWN FUNCTION Unknown or invalid function number passed 82h FUNCTION NOT SUPPORTED The function is not supported on this system 83h INVALID HANDLE Device node number handle passed is invalid or out of range 84h BAD PARAMETER Function detected invalid resource descriptors or resource descriptors were specified out of order
15. device that have been reported by the device during the life of the device These errors shall include UNC errors IDNF errors for which the address requested was valid servo errors write fault errors etc This count shall not include errors attributed to the receipt of faulty commands such as commands codes not implemented by the device or requests with invalid parameters or invalid addresses If the maximum value for this field is reached the count shall remain at the maximum value when additional errors are encountered and logged An error log data structure shall be presented for each of the last five errors reported by the device These errors log data structure entries are viewed as a circular buffer That is the first error shall create the first error log data structure the second error the second error log structure etc The sixth error shall create an error log data structure that replaces the first error log data structure the seventh error replaces the second error log structure etc The error log index indicates the most recent error log structure If fewer than five errors have occurred the unused error log structure entries shall be zero filled Command Data Structure If the command data structure represents a command or software reset the content of the command data structure shall be contents of the Device Control Features Sector Count LBA Low LBA Mid LBA High Device and Command registers The fifth command data s
16. match Page 37 Tracks the number of end to end internal card data path errors that were detected Starting in late 2007 new HP business desktops and Workstations will begin incorporating SMART IV technology in hard drives While the current versions of SMART do a good job monitoring the data on the hard drive media the ever increasing emphasis on reliability and quality led Hewlett Packard and hard drive manufacturers to better ensure that the data flow from host interface to media and media to host interface is not compromised This is done by adding a parity code to every 512 byte block in the data path of the hard drive s Cache RAM This parity checking which is called SMART IV by HP provides more complete error detection coverage of the entire data path between the host and the hard drive In the hard drive industry SMART IV is also known as End to End Error Detection If an error is detected by the drive and the data cannot be retrieved or sent without failure a protocol is in place to notify the host operating system of the error The host operating system can then decide to resend the command or notify the user that a data error may have occurred If errors are detected a SMART attribute called End to End Error Detection Count is updated If the SMART threshold is crossed an imminent failure error message is reported to the user either through Client Management Software that has been installed in the operating sys
17. readable form for end user Raw attribute data 6 bytes Usually it shows exact amount of time attempts or errors For example the raw value of attribute Temperature is a drive temperature in Celsius degrees the raw value of Power on hours count attribute is a amount of hours when drive was in power on state Attribute threshold 1 byte This is the lowest limit of a varying attribute value SMART compares the attribute values with the thresholds to identify a failure Each attribute value has a corresponding attribute threshold limit The numerical values of the attribute thresholds are determined by the device manufacturer through design and reliability testing and analysis Attribute thresholds are set at the device manufacturer s factory and cannot be changed in the field The valid range for attribute thresholds is from 1 through 253 decimal Worst value The worst attribute value among the attribute values collected to date This value indicates the state nearest to a failure so far Threshold Exceeded Condition T E C Page 30 T E C stands for Threshold Exceeded Condition and basically means a failure If one or more attribute values are less than or equal to their corresponding attribute thresholds then the device reliability status indicates an impending degrading or fault condition Some attributes are considered life critical and others are merely informative T E C with an informative attribute do
18. represents the number of times a calibration has failed on the first attempt This attribute indicates the number of times recalibration was requested under the condition that the first attempt was unsuccessful A decrease of this attribute value is a sign of problems in the hard disk mechanical subsystem 12 Device Power Cycle Count The Power Cycle Count attribute indicates the total number of times power has cycled on the drive It probably means start stop power on power off of hard drive Attribute importance is identical to Power On Hours Number of complete start stop cycles of hard disk The raw value indicates amount of power cycles This attribute indicates the count of full hard disk power on off cycles 13 Soft Read Error Rate ECC repairable read errors This is a software error not a hardware error This is the rate of program read errors occurring when reading data from a disk surface 99 Average FHC 100 Minimum FHC 101 Maximum FHC For FHC Fly Height Controller see System and method for determining head disk contact in a magnetic recording disk drive by magnetoresistive signal amplitude United States Patent 7292401 183 SATA Downshift Error Count Used by Samsung and Western Digital 184 End to end error count This attribute is a part of HP s SMART IV technology and it means that after transferring through the cache RAM data buffer the parity data between the host and the hard drive did not
19. 27 Md AMARE 28 The evolution ot SMART ecc c iced e cid cii ec ed ce eiie e e ce edi cia i e t so 28 The two SMART specifications AT ASS uu teats sands snot esate etis ecd itid snails saad snot epe cd boats us EETA EEEREN 28 Some failures are predictable and some dre Not ciaidd daa a aa 29 dote POIDS cooling cab ioc a C a cic t a e ah a Ea p D eno a Cx a i t b sah donate Ven aca adn a 29 Attribute values 35 50 Last n Error Events M4 1 4 SCSI Sus Tbsr aces 4 2 3 EXTENDED Eee 54 E m 54 E m 54 M2 Aport Ore Line Sirs ROUN E ci aereo cou Sn to di ee bata abris de ades Ie Re eiu taba Cebu ubera M oo dU 55 READ LOG MENU RR 55 Mi ol Last DCI eona A N eer LO S Pc M43 2 SUMMARY ERROR Logis a eo M4 3 3 CompreHENsive Error EXTENDER LIOUPREUENSIVE ERROR LOG ciora RE a ER s UL oU p c nc Go GR RC Go ed ne Oc 58 LOS coasidod ics ibd uretocdu daga uud C cU DOC UO UE EE AGO c E UE OS nu ncc be it oc Ed 59 Mi C A ooa lub uU LO GUD ES
20. ADDRESS or SET MAX ADDRESS EXT command is received after a power on or hardware reset SET MAX ADDRESS command shall be aborted if a SET MAX ADDRESS EXT has established a host protected area and vice versa SET MAX ADDRESS EXT command shall be aborted if a SET MAX ADDRESS has established a host protected area Hosts shall not issue more than one non volatile SET MAX ADDRESS or SET MAX ADDRESS EXT command after a power on or hardware reset Devices should report an IDNF error upon receiving a second non volatile SET MAX ADDRESS command after a power on or hardware reset If a Host Protected Area has been created using the SET MAX ADDRESS command all SET MAX ADDRESS EXT commands shall result in command aborted until the Host Protected Area is eliminated by use of the SET MAX ADDRESS command with the address value returned by the READ NATIVE MAX ADDRESS command The HPA created with a 28 bit SET MAX command is eliminated by performing a 28 bit SET MAX ADDRESS command with the value returned by a 28 bit READ NATIVE MAX ADDRESS command It makes no difference if that SET MAX is volatile or non volatile except that if the SET MAX is non volatile and power is cycled the HPA will be restored M9 2 Set Password The SET MAX SET PASSWORD command allows the host to define the password to be used during the current power on cycle The password does not persist over a power cycle but does persist over a hardware or software reset This password is not re
21. Host Protected Area has been established by the execution of a SET MAX ADDRESS or SET MAX ADDRESS EXT command with an address value less than that returned by a READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT command Any data contained in the Host Protected Area is not affected Host Protected Area feature set restrictions If a Host Protected Area has been established by use of the SET MAX ADDRESS or SET MAX ADDRESS EXT command these bits shall not be cleared to zero and the device shall return command aborted M7 3 Restore This DEVICE CONFIGURATION RESTORE command disables an overlay that has been set by a MODIFY command and returns the IDENTIFY DEVICE or IDENTIFY PACKET DEVICE command data to that indicated by the DEVICE CONFIGURATION IDENTIFY command Since a Host Protected Area may be lost if the capacity of the device is reduced when a Host Page 68 Protected Area is set the DEVICE CONFIGURATION RESTORE command shall cause the device to return command aborted If a DEVICE CONFIGURATION FREEZE LOCK command has been issued since the device powered up the DEVICE CONFIGURATION RESTORE command shall cause the device to return command aborted The device will abort that command if a Host Protected Area has been set by a SET MAX ADDRESS or SET MAX ADDRESS EXT command or if DEVICE CONFIGURATION FREEZE LOCK is set M7 4 Freeze Lock A DEVICE CONFIGURATION FREEZE LOCK command prevents accidental modification of
22. OPERATIONS or SMART DISABLE OPERATIONS command could be SMART enabled or disabled M13 1 2 Security feature set The optional Security Mode feature set is a password system that restricts access to user data stored on a device See at Lock Unlock Device Menu M13 1 3 Removable Media feature set Page 85 The Removable Media feature set is intended only for devices not implementing the PACKET Command feature set This feature set operates with Media Status Notification disabled The MEDIA LOCK and MEDIA UNLOCK commands are used to secure the media and the MEDIA EJECT command is used to remove the media While the media is locked the eject button does not eject the media Media status is determined by checking the media status bits returned by the MEDIA LOCK and MEDIA UNLOCK commands Power on reset hardware reset and the EXECUTE DEVICE DIAGNOSTIC command clear the Media Lock LOCK state and the Media Change Request MCR state Software reset clears the Media Lock LOCK state clears the Media Change Request MCR state and preserves the Media Change MC state M13 1 4 Power Management feature set A device shall implement power management A device implementing the PACKET Command feature set may implement the power management as defined by the packet command set implemented by the device Otherwise the device shall implement the Power Management feature set as described in ATA ATAPI standard The Power Management fe
23. SENSE PAGE CODNPYES 022 22 245 n eee eu e o roa een a rao Gua nau rn eese eo eu e recuso rope see eoe a Uo aae n E ea EO 22 TABLE 4 VITAL PRODUCT DATA VPD CODBES e c eee eese eee en en eset tn assets sete 23 TABLE 5 gt gt 00 Haas Pan o Pea ee eo ee eae a Sansa bebe sedeo dn ee lS aaa Ve se aa eie de eU aa E audD 24 TABEESO LIST OE PROFPFILBS 5 ieieieetote stesevPeevoce boe Eod ed Coe aka eoe Ve E EEUU 24 TABLE 7 LOG PAGE CODES visvccvssiscsccscsccvesencecsccusuvecocsedscoctcscccsselvecescssscoudscccettsvesesdeciisdeccbetesceseds chcascaseccdevteceusvescsecese 25 TABLE 8 QUANTUM LOG SENSE 8 1 0 2 2 2 22 4 8 26 TABLE 9 VENDOR LOG SENSE PAGES wivsecccssecisccsscictscccccscsescesec adeccasesccesocesvecesocddesscviveccesvecsscdocvavescvcssdssdevesseceassees 26 TABLE 10 PARAMETER CODES FOR ERROR 5 26 TABLE 11 SMART ATTRIBUTES eeieiiieicceceeeeascesesseves eeve eoe eee aee ceazedecv ose ec Ge eueae sacas ese ens cu sees vUa Cer ReTek soe ao 0 33 TABLE 12 SMART ATTRIBUTES FOR SSD 4 8000 77 43 TABEE
24. UNC UNCorrectable data is uncorrectable This refers to data which has been read from the disk but for which the Error Checking and Correction ECC codes are inconsistent In effect this means that the data can not be read IDNF ID Not Found user accessible address could not be found For READ LOG type commands IDNF can also indicate that a device data log structure checksum was incorrect If the command that caused the error was a READ or WRITE command then the Logical Block Address LBA at which the error occurred will be printed The LBA is a linear address which counts 512 byte sectors on the disk starting from zero Because of the limitations of the SMART error log if the LBA is greater than FFFFFFFh then either no error log entry will be Page 56 made or the error log entry will have an incorrect LBA This may happen for drives with a capacity greater than 137 GB The summary error log 512 bytes is read only and supports 28 bit addressing only If the device supports comprehensive error log address 02h then the summary error log sector duplicates the last five error entries in the comprehensive error log The error log index indicates the error log data structure representing the most recent error Only values 1 through 5 are valid If there are no error log entries the value of the error log index shall be zero The device error count field shall contain the total number of errors attributable to the
25. at any time by reading the SCT Command Status log If the command involves data transfer the host should check status before data is transferred to ensure that the device is ready The host should also check status when the command is complete to confirm that the data was transferred without error When the command is complete the host may check status a third time to determine if the command succeeded failed or partially succeeded Reading the SCT Command Status log retrieves the status information The SCT status may be acquired any time that the host is allowed to send a command to the device This command shall not change the power state of the device nor terminate any background activity including any SCT command in progress This means if the device is in the Standby or Idle state then the log request shall succeed If the SMART feature set is supported and not enabled then a device that implements this SCT feature set shall support SMART READ LOG and SMART WRITE LOG commands to the SCT Command Status log EOh and the SCT Data Transfer log E1h Page 64 M6 Hidden Areas Menu On hard disk can be these hidden areas e Host Protected Area HPA e Device Configuration Overlay DCO e Address Offset Note Hidden partition is not the HPA Hidden partition is a logical section special partition ID in MBR of a disk which is not accessible to the operating system Hidden partition may contain files and folders li
26. command The native maximum address is the value returned by a READ NATIVE MAX ADDRESS EXT command If the native maximum address of a device is equal to or less than 268 435 455 a READ NATIVE MAX ADDRESS shall return the native maximum address If the native maximum address is greater than 268 435 455 a READ NATIVE MAX ADDRESS command shall cause the device to return a maximum value of 268 435 454 When the 48 bit Address feature set is implemented the SET MAX ADDRESS command shall execute However in addition to modifying the content of words 61 60 the new content of 61 60 shall also be placed in words 103 100 When a SET MAX ADDRESS EXT command is issued and the address requested is greater than 268 435 455 words 103 100 shall be modified to reflect the requested value but words 60 and 61 shall not be modified When a SET MAX ADDRESS EXT command is issued and the address requested is equal to or less than 268 435 455 words 103 100 shall be modified to reflect the requested value and words 60 and 61 shall be modified as described The 48 bit Address feature set is not limited for device with capacity over 127 GB only When BIOS and device support this feature you can use this feature on device with capacity up to 127 GB The major differences between 48 bit addressing and 28 bit addressing are as follows 1 In 28 bit addressing there are only 28 bits available to access a given address on the hard drive which when all bits are
27. its ECC algorithm if it detects two consecutive equal nonzero error syndromes The drive will not perform rereads before applying correction unless it determines that the error is uncorrectable An EEC bit set to zero indicates that the drive will use its normal recovery procedure when an error occurs rereads followed by error correction If the RC bit is set to one the drive ignores the EEC bit Silent Mode enabled Page 82 When set to one this bit indicates the drive s acoustic emanations will be reduced DCR Disable Correction default bit 0 When set to one this bit indicates that all data will be transferred without correction even if it would be possible to correct the data A DCR bit set to zero indicates that the data will be corrected if possible If the data is uncorrectable it will be transferred without correction though the drive will attempt rereads If RC is set to one the drive ignores this bit The drive will post all errors whether DCR is set to zero or one Number of Retries default byte 8 This byte specifies the number of times that the drive will attempt to recover from data errors by rereading the data before it will apply correction The drive performs rereads before ECC correction unless EEC is set to one enabling early correction ECC Correction Span default byte 32 This byte specifies the maximum number of 10 bit symbols that can be corrected using ECC M10 2 3 Device Parameter
28. of errors appearance while reading RAW data from disk Page 34 Count of non corrected read errors More errors i e lower attribute value mean worse condition of disk surface Frequency of errors while reading raw data from a disk Read Error Rate indicates the rate of hardware read errors that occurred when reading data from a disk surface A non zero value indicates a problem with either the disk surface or read write heads Note that Seagate drives often report a raw value that is very high even on new drives and does not thereby indicate a failure 2 Throughput Performance Overall general throughput performance average efficiency of hard disk drive If the value of this attribute is deceasing there is a high probability of troubles with your disk 3 Spin Up Time Average time of spindle spin up from zero RPM Revolutions per Minute to fully operational Spin up time describes amount of time it took to spin the platters up to their rated rotation speed usually 5400 or 7200 RPM average time of spindle spin up time Values above 80 should be considered good Values between 70 and 80 are still acceptable There is a known issue with Quantum Maxtor hard drives out of the box new drives drop Spin up time to 70 within first two weeks of use causing program to predict failure within a month This is usually a false alarm After some initial burn in period Spin up time becomes constant and the dri
29. only 1 2 Used interrupts keys HDAT2 program install own interrupts e for INTO9h keyboard Keys ESC PAUSE which normally interrupts program make only pause of action Pressing keys CTRL BREAK should always break program and return to operating system only if system is not running in a loop of interrupt You should see a text HARD BREAK on the screen Any time you can enable or disable sound with key CTRL S regardless to settings of parameter s 1 3 Common notes Program detects the device modes up to Ultra DMA 6 for ATA 133 from standard ATA ATAPI If some ATA mode is internally disabled using a company SW than device seems do not support this mode For correct settings you must use again this firm SW from device manufacturer Program on exit is starting an alternate reset of controller and device INT13h AH ODh for stopping some of unacceptable noises of hard drive Table 1 Used file names HDATCOPY TXT Saved listings from program HDETECT TXT Saved listing of detected PC resources and devices XXXXXXXX BIX Binary debug informations of device HDAT FST BIX Saved status of the file system items HDAT2SCR ERR Saved screen with error message XXXXXXXX last eight characters of serial number or device name or GENERIC 1 5 Command line parameters The program accepts optional command line parameters Format of parameters Page 9 hdat2 switch parameter1 switch parameter2
30. overwriting standards from T13 E g Samsung SATA NAND SSD is shipped with master password set to 20h value ASCII blanks Page 75 M8 6 Unlock device This menu item makes UNLOCK and DISABLE PASSWORD commands to unlock password of device and disable password together Command UNLOCK allow unlock a device only for this session and after reset or power off will be locked again Command DISABLE PASSWORD will change security system state to disabled This item is useful if you want really to unlock the device Page 76 M9 SET MAX HPA Menu The Host Protected Area HPA security commands using a single command code and are differentiated from one another by the value placed in the Features register In addition a device supporting the Host Protected Area feature set may optionally include the security extensions Following commands are defined in this feature READ MAX ADDRESS READ MAX ADDRESS EXT SET MAX ADDRESS SET MAX ADDRESS EXT SET MAX SET PASSWORD SET MAX LOCK SET MAX FREEZE LOCK SET MAX UNLOCK Devices supporting these extensions shall set bit 10 of word 82 and bit 8 of word 83 of the IDENTIFY DEVICE response to one HPA is defined as a reserved area for data storage outside the normal operating file system This area is hidden from the operating system and file system and is normally used for specialized applications Systems may wish to store configuration data or save memory to th
31. password matches the last Master password previously set with the SECURITY SET PASSWORD command Page 72 Attempt limit for SECURITY UNLOCK command The device shall have an attempt limit counter The purpose of this counter is to defeat repeated trial attacks After each failed User or Master password SECURITY UNLOCK command the counter is decremented When the counter value reaches zero the EXPIRE bit bit 4 of word 128 in the IDENTIFY DEVICE information is set to one and the SECURITY UNLOCK and SECURITY UNIT ERASE commands are command aborted until the device is powered off or hardware reset The EXPIRE bit shall be cleared to zero after power on or hardware reset The counter shall be set to five after a power on or hardware reset 8 1 Set Password The command SECURITY SET PASSWORD to set password identifier User Master security level High Maximum new password and Master Password Identifier Revision Code for Master password A factory installed Master password may be valid before an initial SECURITY SET PASSWORD command for master password has been successfully executed A device may contain both a valid Master and a valid User password Table 15 Identifier and security level bit interaction Identifier Level Command result User High The password supplied with the command shall be saved as the new User password The Lock mode shall be enabled from the next power on or hardware reset The device s
32. portion of the self test to test areas of the media specified by the user This allows the time to complete the self test to be altered and allows those areas deemed critical by the user to be scanned Command SMART EXECUTE OFF LINE IMMEDIATE causes the device to immediately initiate the optional set of activities that collect SMART data in an off line mode and then save this data to the device s non volatile memory or execute a self diagnostic test routine in either captive foreground or off line background mode When executing a self test in captive mode the device sets BSY to one and executes the self test routine after receipt of the command At the end of the routine the device places the results of this routine in the Selftest execution status byte and executes command completion If an error occurs while a device is performing the routine the device may discontinue its testing place the results of this routine in the Self test execution status byte and complete the command Tests run in captive mode may busy out the drive for the length of the test The self test routine recommended polling time shall be equal to the number of minutes that is the minimum recommended time before which the host should first poll for test completion status Actual test time could be several times this value Polling before this time could extend the self test execution time or abort the test depending on the state of bit 2 of the off line data capabil
33. private information For file name are taken first eight characters of serial number In case of null serial number or device does not support him is for file name used first eight characters of device name Non printable characters will be replaced with character Binary file is saved with type BIX to the current directory from where was program called Actual version of debug file is BBBAh M11 2 Save Detect Data This options save to the text file HDETECT TXT all informations controllers devices etc detected at the start of program File is saved to the current directory from where program was called Page 84 M 13 Commands Menu M13 1 Command Feature sets This choice shows all supported features In column Status appears enabled when selected feature is enabled and disabled when this feature is disabled Feature showed with yellow color could be enabled or disabled with individual subcommands of command SET FEATURES or special commands This can you make with arrow keys left or right The other features are set from manufacturer in firmware of device and normally you cannot change it only with special utilities from manufacturer for given device In words 82 84 of device is saved setting which feature sets device support In words 85 87 of device is saved setting which feature sets are enabled for device Features M13 1 1 to M13 1 14 words 82 85 in the IDENTIFY DEVICE response Features M13
34. queued commands when out of order data delivery is enabled Time limits for error recovery may be desirable in a data redundant RAID environment where it is more desirable to have the drive report a data error rather than risk having it being kicked off of the RAID Read and Write command timer values are set to default values at power on but may be altered by a SCT command at any time These settings are unaffected by software soft or hardware COMRESET reset M4 5 1 1 Read Command Timer The Read Command Timer sets an upper limit to the amount of time the drive s disk task will be operating on a command This is typically the amount of time the drive will be operating on a read command in total but in some cases a read command will require more than one disk operation Minimum value for this command is one Setting this value to zero will disable Read Command time out allowing the drive to perform all available error recovery procedures without time limit If the Read Command Timer expires while the drive is performing error recovery the drive will stop processing the command and report an un correctable ECC error for the LBA that was causing error recovery to be invoked Note that the LBA might actually be recoverable given more time for error recovery At this point the host could reconstruct the data for the failing LBA from the other disk drives and then issue a write command to the target LBA allowing the drive to handle the suspect
35. reduces the user accessible address space to the maximum specified by the command providing a protected area above that maximum address The SET MAX ADDRESS or SET MAX ADDRESS EXT command shall be immediately preceded by a READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT command After the SET MAX ADDRESS or SET MAX ADDRESS EXT command has been issued the device shall report only the reduced user address space in response to an IDENTIFY DEVICE command in words 60 61 100 101 102 and 103 Any read or write command to an address above the maximum address specified by the SET MAX ADDRESS or SET MAX ADDRESS EXT command shall cause command completion with the IDNF bit set to one and ERR set to one or command aborted If the SET MAX ADDRESS or SET MAX ADDRESS EXT command is issued with a value that exceeds the native maximum address command aborted shall be returned A volatility bit in the Sector Count register allows the host to specify if the maximum address set is preserved across power on or hardware reset cycles On power on or hardware reset the device maximum address returns to the last non volatile address setting regardless of subsequent volatile SET MAX ADDRESS or SET MAX ADDRESS EXT commands If Value volatile bit is set to one the device shall preserve the maximum values over power up or hardware reset If Value volatile bit is cleared to zero the device shall revert to the most recent non volatile maximum address value setting ov
36. safe position Upon receiving an IDLE IMMEDIATE command with the unload feature a device shall 1 stop read look ahead if that operation is in process 2 stop writing cached data to the media if that operation is in process 3 if a device implements unloading its head s onto a ramp then the device shall retract the head s onto the ramp 4 if a device implements parking its head s in a landing zone on the media then the device shall park its head s in the landing zone and 5 transition to the Idle mode Page 94 The device shall retain data in the write cache and resume writing the cached data onto the media after receiving a Software Reset a Hardware Reset or any new command except IDLE IMMEDIATE with unload feature A device shall report command completion after the head s have been unloaded or parked The time required by a device to complete an unload or park operation is vendor specific Page 95 M13 2 View Search Device With this tool you can view sector data in hexadecimal and ASCII format search sector to find data View device Key J Jump jump to selected sector number Keys PageDown PageUp scroll down or up to see next or previous part of sector dump If the PageDown or PageUp key is pressed along with the CTRL key it will directly jump to next or previous sector number without scrolling over sector parts Search device In parameters menu key P Param
37. set equates to 137 GB 2 By doubling the number of bits that can be used to access a given address 48 bit LBA addressing pushes the maximum storage limit to 144 petabytes 3 An additional benefit to the 48 bit capability is the ability to transfer more than 256 sectors per command i e up to 65 536 sectors per command 4 Interoperability between 48 bit and 28 bit addressing maintains compatibility between older hard drives and new larger hard drives installed in the same system M13 1 26 Device Configuration Overlay DCO feature set Page 91 The optional Device Configuration Overlay feature set allows a utility program to modify some of the optional commands modes and feature sets that a device reports as supported in the IDENTIFY DEVICE or IDENTIFY PACKET DEVICE command response as well as the capacity reported See detailed info M13 1 27 FLUSH CACHE command M13 1 28 FLUSH CACHE EXT command M13 1 29 SMART error logging M13 1 30 SMART self test M13 1 31 Media serial number If bit 2 of word 84 is set to one the device supports the media serial number field words 205 176 If bit 2 of word 87 is set to one the media serial number field in words 205 176 is valid This bit shall be cleared to zero if the media does not contain a valid serial number or if no media is present Words 205 176 contain the current media serial number Serial numbers shall consist of 60 bytes The first 40 bytes shall indicat
38. system storage capacity requirements increased and multiple disc array systems started to appear industry leaders identified the importance of creating an early warning system that would allow enough lead time to back up data should a failure become imminent In order to understand how SMART evolved it is necessary to look at SMART s roots which are based in technology developed by IBM and Compaq IBM s reliability prediction technology is called Predictive Failure Analysis PFA PFA measures several attributes including head flying height to predict failures The disc drive upon sensing degradation of an attribute such as flying height sends a notice to the host that a failure may occur Upon receiving notice users can take steps to protect their data Some time later Compaq announced a breakthrough in diagnostic design called IntelliSafe This technology which was developed in conjunction with Seagate Quantum and Conner monitors a range of attributes and sends attribute and threshold information to host software The disc drive then decides if an alert is warranted and sends that message to the system along with the attribute and threshold information The attribute and threshold level implementation of IntelliSafe varies with each disc drive vendor but the interface and the way in which status is sent to the host are consistent across all vendors Compaq placed IntelliSafe in the public domain by presenting their specification fo
39. test routine in the LBA Low register shall abort Selective self test regardless of where the device is in the execution of the command If a second self test is issued while a selective self test is in progress the selective self test is aborted and the newly requested self test is executed The selective self test pending time is the time in minutes from power on to the resumption of the off line testing if the pending bit is set At the expiration of this time sets the active bit to one and resumes the off line scan that had begun before power down A hardware or software reset shall abort the Selective self test except when the pending bit is set to one in the Selective self test log The receipt of a SMART command Abort off line test routine shall abort Selective self test regardless of where the device is in the execution of the command If a second self test is issued while a selective self test is in progress the selective self test is aborted and the newly requested self test is executed M4 2 6 Abort Off Line Self Test Routine This command aborts non captive SMART Self Tests Note that this command will abort the Offline Immediate Test routine only if your disk has the Abort Offline collection upon new command capability M4 3 Read Log Menu SMART disks maintain a lot of the error logs The error log is not disabled when SMART is disabled Disabling SMART disables the delivering of error log information via the SMART READ LO
40. that may be supplied by the original manufacturer of the device or medium They are are considered permanent defects The PLIST is located outside of the application client accessible logical block space The PLIST is accessible by the device server to reference while formatting but it is not accessible by the application client except through the READ DEFECT DATA command Once created the original PLIST shall not be subject to change The PLIST is located inside a reserved area Logical unit certification list CLIST This list includes defects detected by the device server during an optional certification process executed during the FORMAT UNIT command This list shall be added to the GLIST Data defect list DLIST This list of defect descriptors may be supplied to the device server by the application client in the data out buffer transfer of the FORMAT UNIT command This list shall be added to the GLIST The DEFECT LIST LENGTH in the defect list header may be zero in that case there is no DLIST Grown defect list GLIST Page 109 The grown defect list GLIST includes all defects sent by the application client or detected by the device server The GLIST does not include the PLIST If the CMPLST bit is zero the GLIST shall include DLISTs provided to the device server during the previous and the current FORMAT UNIT commands The GLIST shall also include a defects detected by the format operation during medium cert
41. the High Order Bit HOB bit 7 of the Device Control register to one and then reading the desired register If HOB bit 7 in the Device Control register is cleared to zero the host reads the most recently written content when the register is read A write to any Command Block register shall cause the device to clear the HOB bit to zero in the Device Control register The most recently written content always is written by a register write regardless of the state of HOB bit 7 in the Device Control register The device shall indicate support of the 48 bit Address feature set in the IDENTIFY DEVICE response In addition IDENTIFY DEVICE response words 103 100 contain the maximum user LBA 1 that is accessible by 48 bit addressable commands If the value contained in IDENTIFY DEVICE response words 103 100 is equal to or less than 268 435 455 then the content of words 61 60 shall be as described in ATA ATAPI standard If the value in contained IDENTIFY DEVICE response words 103 100 is greater than 268 435 455 then the maximum value in words 61 60 shall be 268 435 455 That is if the device contains greater than the capacity addressable with 28 bit commands words 61 60 shall describe the maximum capacity that can be addressed by 28 bit commands When the 48 bit Address feature set is implemented the native maximum address is the highest address accepted by the device in the factory default condition using a 48 bit Address feature set
42. value the worse the condition of disk surface The raw value of this attribute shows exact amount of reallocated sectors Reallocation Event Count is not zero this means drive found some weak sectors and marked them pending But later it was able to successfully recover these sectors by reading or writing them Reallocation Event Count records both successful and unsuccessful tries Page 35 6 Read Channel Margin Margin of a channel while reading data The function of this attribute is not specified Reserve of channel while reading 7 Seek Error Rate Seek errors are usually a power problem or a vibration problem They may also indicate a problem with the disk Count of seeks errors When your HDD reads data it positions heads in the needed place If there is a failure in the mechanical positioning system a seek error arises More seek errors i e lower attribute value indicates worse condition of a disk surface and disk mechanical subsystem Frequency of errors appearance while positioning Average rate of seek errors This attribute indicates a state of head positioning mechanism Lower values shows that there is a problem with head positioning Rate of seek errors of the magnetic heads If there is a failure in the mechanical positioning system servo damage or a thermal widening of the hard disk seek errors arise More seek errors indicates a worsening condition of a disk surface and the disk mechanical su
43. 1 15 to M13 1 28 words 83 86 Features M13 1 29 to M13 1 41 words 84 87 If you are looking for TRIM you should find if device supports DATA SET MANAGEMENT command and if the function TRIM is enabled Then in Command Feature sets menu you can find if device supports Deterministic read after TRIM DRAT and Read zero after Trim RZAT M13 1 1 SMART feature set The intent of self monitoring analysis and reporting technology the SMART feature set is to protect user data and minimize the likelihood of unscheduled system downtime that may be caused by predictable degradation and or fault of the device By monitoring and storing critical performance and calibration parameters SMART feature set devices attempt to predict the likelihood of near term degradation or fault condition Providing the host system the knowledge of a negative reliability condition allows the host system to warn the user of the impending risk of a data loss and advise the user of appropriate action Support of this feature set is indicated in the IDENTIFY DEVICE response Devices that implement the PACKET Command feature set shall not implement the SMART feature set as described in ATA ATAPI standard Devices that implement the PACKET Command feature set and SMART shall implement SMART as defined by the command packet set implemented by the device This feature set is optional if the PACKET Command feature set is not supported When SMART is supported then with SMART ENABLE
44. 13 SELF TEST RESULTS VA UE 20 50 TABLE 14 SMART DIRECTORY LOG eesssossssssssssescoossosssssseesoosssoosssssessoooosoosssssssscososossosssseseoooosoossssosssoososossssssseos 56 TABLE 15 IDENTIFIER AND SECURITY LEVEL BIT INTERACTION cccccsccsssssssssscsscsscccccessccsssscees 73 Pictures PICTURE 1 DEVICE MENU nosira oiae ena ae E Eee a a as ba ea eiiiai 18 PICTURE 2 CHECK DCO STRUCTURE 5 eee eet eee pea e eo ao oo ev ea ea een Ea oae E nra eaa eo eoo Cope eva ee eee ee oiis aieeaa 69 PICTURE 3 DUMP DQCO e ceoeeeeto ees rede esae rec Oves v b Pee edet eel 70 Page vii Preface This manual is for HDAT2 program Program is designed for advanced users you have to know what you are doing I am sorry for my English Motto Do you know how hard it is to write a manual Page 8 1 HDAT2 Program 1 1 Overview Program HDAT2 run in protected mode and is compiled with 32 bits compiler Free Pascal Program HDAT2 can be used in two levels e Device Tests tests for devices connected to PC e File System tests for file systems FAT only so far Program is running only under any real DOS operating system not in DOS under Windows In DOS under Windows you can use a demo program HDAT2DEM EXE
45. 485547 001 8 Compaq Phoenix Intel BIOS Boot Specification BBS v1 01 11 01 1996 9 International System of Units SI http physics nist gov cuu Units index html 10 Enhanced SMART Get SMART for Reliability 07 1999 http www seagate com docs pdf whitepaper enhanced_smart pdf 11 Enhanced Host Controller Interface EHCI specification rev 1 0 http www intel com technology usb download ehci r10 pdf 12 Partition types List of partition identifiers for PCs http www win tue nl aeb linux partitions partition_types 1 html 13 SMART Applications Guide for the ATA Interface SFF 8055i rev 1 2 26 04 1996 14 Seagate Advanced SCSI Architecture II Technology Paper HTML 15 Hale Landis ATA ATAPI http www ata atapi com 16 SMART Attribute Annex http www t13 org docs2005 e05148r0 ACS SMARTAttributesAnnex pdf Page 119
46. 85h SET FAILED Set Device Node function failed 86h EVENTS NOT PENDING There are no events pending 87h SYSTEM NOT DOCKED The system is currently not docked 88h NO ISA PNP CARDS Indicates that no ISA Plug and Play cards are installed in the system 89h UNABLE TO DETERMINE DOCK CAPABILITIES Indicates that the system was not able to determine the capabilities of the docking station 8Ah CONFIG CHANGE FAILED NO BATTERY The system failed the undocking sequence because it detected that the system unit did not have a battery 8Bh CONFIG CHANGE FAILED RESOURCE CONFLICT The system failed to successfully dock because it detected a resource conflict with one of the primary boot devices such as Input Output or the IPL device 8Ch BUFFER TOO SMALL The memory buffer passed in by the caller was not large enough to hold the data to be returned by the system BIOS 8Dh USE ESCD SUPPORT This return code is used by functions 09h and OAh to instruct the caller that reporting resources explicitly assigned to devices in the system to the system BIOS must be handled through the interfaces defined by the ESCD Specification 8Eh MESSAGE NOT SUPPORTED This return code indicates the message passed to the system BIOS through function 04h Send Message is not supported on the system 8Fh HARDWARE ERROR This return code indicates that the system BIOS detected a hardware failure X 5 Error Messages of ESCD Error messages o
47. Directory Proposal Revision 0 4 18 06 1993 Phoenix Technologies Ltd PC Division Desktop Product Line 2 1 4 Detection of PCI BIOS PCI Peripheral Component Interconnect Used standard PCI BIOS v2 0c 2 2 Detection of CPU RAM BUS Page 14 Processor type CPUID Memory RAM Bus EISA MCA ISA PCI 2 3 Detection of CMOS CMOS Complementary Metal Oxide Semiconductor Test of CMOS presence real time bit Show CMOS size Show POST diagnostics status Show Shutdown Reset status 2 4 Detection of ROM s ROM Read Only Memory First scan memory from C000h 0000h to F000h 0000h with offset 200h 512 bytes After scanning it shows PnP PCI informations about found ROM s 2 5 Detection of FDD FDD Floppy Disk Drive Detect device type of ATA FDD on on board ATA controllers Detect count of FDD according to CMOS memory and BIOS detection If FDD is not present in CMOS settings but is connected it is neither possible detect nor test FDD Does it test of two FDD drives Test of presence FDD Test FDD with max BIOS parameters we got a type of drive 2 6 Detection of PCI PCI Peripheral Component Interconnect By PCI detection will be detect host devices of class 1 Storage and all subclasses defined for class 1 SCSI IDE Floppy IPI RAID ADMA SATA SAS only For every found PCI host device will show some important information like bus number device a
48. EAM DMA EXT commands M13 1 39 URG bit for WRITE STREAM DMA EXT commands MIS AO Tinie Lied Commands TEC Teatre Sebast dci ibl pai ca e ic db Soc Eos vis eias Tal Rema Write Lomo modest ILU alure cto ridus c a a ai 42 IDEE IMMEDIATE with UNLOAD FEATURE ise usate acri tio ce eaa ee aet did 94 DIET SOWEIT oo URL 97 MLS AT SATA foe I C DEM 97 LUDERE EUR URP 97 Page iv E ERREUR 99 LES Rue ERAS dca iss TER ERUNT 99 BDF REUE NER 100 2 8 Rond CUTE cod oan dic ne udi a oce ada i a c m t tO Fd educat eec eerta Un 100 Rea NTHO RR RERO 100 45 Bend ritelteid ia e o e pares deb dog 101 4 2 9 ReadWriteReadCompare Sate a ee aa A EWG XT 2242 TEUER 102 oci i GE ERA I bp v qp Cb 102 LENIN T des uM E I ii HE i DE DESTETESECTORS acted TNC RISC Sa Lu cL i LE MEI LRL ELE Hola EN IL MI EN ME E DU DUI E T Rog TES ud d isa efte d ua ee M AM GE LI MM DU MM RM GRIP DNE oL cuc MI E IM I MS Mi MES
49. G SECTOR command If a device receives a firmware modification all error log data is discarded and the device error count for the life of the device is reset to zero Page 55 M4 3 1 Log Directory SMART Log directory is 512 bytes length and is optional If implemented the SMART Log Directory is SMART Log address zero and is defined as one sector long The log directory table defines number of sectors in the log at log address from 1 to 255 The value of the SMART Logging Version word shall be O1h or 0001h if the drive supports multi sector SMART logs In addition if the drive supports multi sector logs then the logs at log addresses 80 9Fh shall each be defined as 16 sectors long If the drive does not support multi sector SMART logs then log number zero is defined as reserved and the drive shall return a command aborted response to the host s request to read log number zero Table 14 SMART Directory Log Log Address Description o Z M4 3 2 Summary Error Log Summary SMART error log data structures log address O1h shall include UNC Uncorrectable data error errors IDNF Requested ID not found errors for which the address requested was valid servo errors write fault errors etc Summary error log data structures shall not include errors attributed to the receipt of faulty commands such as command codes not implemented by the device or requests with invalid parameters or invalid addresses
50. LBA as it best sees fit M4 5 1 2 Write Command Timer The Write Command Timer sets the upper limit for the amount of time the drive spends recovering from an error while performing a write The minimum value for this command is one Setting this value to zero will disable Write Command time out allowing the drive to perform all available error recovery procedures without a time limit The Write Command Timer has the effect of controlling how aggressively the drive will reallocate write data when encountering defects A long Write Command Timer allows the drive to use all of its available error recovery procedures for dealing with write errors A short Write Command Timer will force the drive to reallocate sectors that are having difficulty being written sooner rather than later The reallocating of the data needs to occur in order to prevent the write command from exceeding its allotted time If the timer expires during a retry the reallocation operation is completed If the timer is about to expire it is the responsibility of the drive to attempt to reallocate the data before the timer expires If the drive is unable to complete data reallocation before the timer expires then the devices fails the command when the timer expires When Write Cache is enabled the operation of the timer is vendor specific M4 5 2 Feature Control Menu Set or return the state of drive features overrides write cache enable disable M4 5 2 1 Write Cache Allow writ
51. LS 8ih 18 37 Maxtor OneTouch 80 03 1GB 1 05 ASPI device 259 00 T3256823AS 256 66 513100034045 1 08 TSSTcorp CDDUDU SH S263D 51350063645 588 11 1 2 3 4 5 6 8 9 1 Base CTRL Mode _IS_ACTIVE I ZE_ERROR FROZEN UNKNOWN UNKNOWN Picture 1 Device Menu Page 18 M1 Device Tests Menu Coming in the next version M1 1 Check and Repair bad sectors Serious bad sector no ECC DRQ possible Logical defects ECC DRQ is possible Physical defects surface damages scratches M1 2 Check bad sectors only M1 3 Read and Repair bad sectors M1 4 Read bad sectors M1 5 Wipe device M1 6 Seek device From ATA ATAPI 7 is command SEEK obsolete M1 7 Most powerful test Read defined block of sectors into memory 1 write this block of sectors onto device read the same defined block of sectors into memory 2 and compare memory 1 and 2 M1 8 User defined test Page 19 M2 File System Menu M2 1 Read File System from MBR M2 2 Scan File System This test is not fully implemented so you can use it as it is I want to implement many things sometimes M2 3 User defined test Page 20 M3 Device Information Menu There are miscellaneous information about selected device M3 1 Device Information This option it will show all available information obtained from interface ATA ATAPI from IDENTIFY DEVICE or IDENTIFY DEVICE PACKET command BIOS tables from int
52. O ad octo d an cU cnn De Eu lud S E bU ODE OUEST 59 T ae LOC BOIS aes carlsson didi cae UU COT VUDECUEU P anal EUH CE KURIER EE 59 MIA COMMAND MEND a cues ka divs einen ba aoc tcd kon ar eee t ea c bcc Katia cire nca isu abun ac ad 60 pe ALES n suu utu Rah stalled bea D 60 MELAT S ANDERE A SD a a 60 MiA OB Edi MILD d IP A ILL M A DUET 61 M451 Eror Recover Cowon BRE MENUQSS iic ede neds ie d dep dE 61 RE 62 UE STE 62 Page ii M4 5 4 1 LBA Weite HUE sted oi pte eda 64 MESA 2 LBA Hrie Senior aac ei catis den den tod des cos KE pce Spende seduce rip cue 64 ODIgURPBMBETEDEL S Ci vast cota i bep doses on cc PE S rcp EQ 64 M HIDDEN AREAS MENU ciii eiie io Riesa siiis incip ciu d tree pu Edu Dp E Qa 65 SATA II Device Configuration Overlay DCO M7 1 Suow IDENTIFY MS SECURITY MENU sisia estas MESE o kc EL exl rv tust Oo cl c Ub Db RE Ra aC CE n MEM DN ER EE 71 Security Mode feature set Master Password Identifier feature
53. Reserved Area former Reserved Area former User Accessible Area LBA 0 LBA M R LBA M After SET MAX ADDRESS SET MAX ADDRESS EXT command Using the Value Returned by READ MAX ADDRESS READ MAX ADDRESS EXT command LBA 0 LBA M Page 89 Set Feature Disable Address Offset Mode hardware or Power on Reset returns the device to Address Offset Mode Disabled Software reset returns the device to Address Offset Mode Disable if Set Features Disable Reverting to Power On Defaults has not been set M13 1 23 SET MAX security extension If this feature is enabled than with command SET MAX SET PASSWORD was enabled SET MAX security extension on device device is locked M13 1 24 Automatic Acoustic Management AAM feature set The Automatic Acoustic Management feature set is an optional feature set that allows the host to select an acoustic management level The acoustic management level ranges from the setting of 00 to FFh although many levels are currently reserved Device performance and acoustic emanation may increase with increasing acoustic management levels The acoustic management levels may contain discrete bands For example a device may implement one acoustic management method from level 80h to AOh and a higher performance higher acoustic emanation method from level Aih to FEh For change is used special menu M13 1 25 48 bit Address feature set The optional 48 bit Address feature set allows devices with
54. SABLE PASSWORD Support of the Security Mode feature set is indicated in IDENTIFY DEVICE word 82 and word 128 Master Password Identifier feature The Master Password Identifier known as Master Password Revision Code is an optional feature in the Security feature set If the Master Password Identifier feature is supported the manufacturer shall set the Master Password Identifier to FFFEh The valid identifiers are 0001h through FFFEh A value of 0000h or FFFFh indicates that the Master Password Identifier feature is not supported The Master Password Identifier does not indicate whether a Master Password exists or is valid When an administrator sets a master password the corresponding Master Password Identifier may also be set The identifier is maintained for the benefit of the host and shall not be modified by the device User password lost If the User password sent to the device with the SECURITY UNLOCK command does not match the user password previously set with the SECURITY SET PASSWORD command the device shall not allow the user to access data If the Security Level was set to High during the last SECURITY SET PASSWORD command the device shall unlock if the Master password is received If the Security Level was set to Maximum during the last SECURITY SET PASSWORD command the device shall not unlock if the Master password is received The SECURITY ERASE UNIT command shall erase all user data and unlock the device if the Master
55. TIC command a short self test and an extended self test The goal of the short self test is to quickly identify if the logical unit determines that it is faulty A goal of the extended self test routine is to simplify factory testing during integration by having logical units perform more comprehensive testing without application client intervention A second goal of the extended self test is to provide a more comprehensive test to validate the results of a short self test if its results are judged by the application client to be inconclusive The criteria for the short self test are that it has one or more segments and completes in two minutes or less The criteria for the extended self test are that it is has one or more segments and that the completion time is vendor specific Any tests performed in the segments are vendor specific Self Test modes When a device server receives a SEND DIAGNOSTIC command specifying a self test to be performed in the background mode the device server shall return status for that command as soon as the CDB has been validated Page 51 When a device server receives a SEND DIAGNOSTIC command specifying a self test to be performed in the foreground mode the device server shall return status for that command after the self test has been completed M4 1 5 SCSI Self Test Log The Self Test Results log page provides the results from the 20 most recent self tests Results from the most recent self
56. Western Digital specific is a hard disk configuration which prevents the drive from automatic spinup when power is applied The spinup occurs later by an ATA command PM2 can usually be enabled by jumpering on the drive but can also be configured by other means configuration sector using manufacturer specific tools PUIS requires corresponding BIOS support If PUIS is enabled on the drive but not supported by the BIOS the drive will not be detected by the system or detected as zero in size PUIS is typically only supported on RAID controllers With this parameter program will try to spinup the drive and disable PUIS feature X y Special functions Default settings depends on value Y y 1 disable DC NIEN for ATA e g use it for HighPoint Default DC NIEN is enabled Disable interrupt for ATA so called DC NIEN main using is for add on ATA HighPoint controllers y 2 PCI read all registers Default During detection of PCI devices will read first 64 registers 0O0h 3Fh only instead of all 255 registers OOh FFh PCI on some PCs is not correct implemented and by reading of all registers could be system stop hang All PCI registers will be read with this parameter y 3 PCI use all storage subclasses Default without parameter x4 are used PCI subclasses 01h 04h 05h 06h 80h only For PCI class Storage O1h detection will be valid all subclasses OOh FFh y 4 PCI use IO ports instead of BIOS Default PCI BIOS U
57. You can select log page count of sectors do you want to read and if available select a read command to read SMART log page Available read commands SMART READ LOG and READ LOG EXTENDED You can select type of dump format BYTE WORD DWORD or QWORD also M4 4 Command Menu M4 4 1 Save Attribute Values In new standards this command have been marked as obsolete This command causes the device to immediately save any updated attribute values to the device s non volatile memory regardless of the state of the attribute autosave timer Upon receipt of this command from the host the device sets BSY writes any updated attribute values to non volatile memory clears BSY and asserts INTRQ M4 4 2 Attribute Autosave In new standards this command have been marked as obsolete This command enables and disables the optional attribute autosave feature of the device Depending upon the implementation this command may either allow the device after some vendor specified event to automatically save its updated attribute values to non volatile memory or this command may cause the autosave feature to be disabled The state of the attribute autosave feature either enabled or disabled will be preserved by the device across power cycles Disabling this feature does not preclude the device from saving attribute values to non volatile memory during some other normal operation such as during a power on or power off sequence or during an error re
58. alues Current Changeable Default Saved Default Current The current values returned are a the current values of the mode parameters established by the last successful MODE SELECT command b the saved values of the mode parameters if a MODE SELECT command has not successfully completed since the last power on or hard reset condition or C the default values of the mode parameters if saved values are not available or not supported Changeable values The device server return a mask denoting those mode parameters that are changeable In the mask the fields of the mode parameters that are changeable shall be set to all one bits and the fields of the mode parameters that are non changeable i e defined by the target shall be set to all zero bits Implementation of changeable page parameters is optional If the target does not implement changeable parameters pages and the device server receives a MODE SENSE command the command shall be terminated with CHECK CONDITION status The sense key shall be set to ILLEGAL REQUEST Default values The device server return the default values of the mode parameters Unsupported parameters shall be set to zero Default values should be accessible even if the device is not ready Saved values Page 107 The device server return the saved values of the mode parameters Implementation of saved page parameters is optional Mode parameters not supported by the target shall be set to
59. and all SET MAX ADDRESS EXT commands shall result in command aborted until the Host Protected Area is eliminated by use of the SET MAX ADDRESS command with the address value returned by the READ NATIVE MAX ADDRESS command An HPA created with a 28 bit Set Max command is eliminated by performing a 28 bit Set Max Address command with the value returned by a 28 bit Read Native Max Address command It makes no difference if that Set Max is volatile or non volatile except that if the Set Max is non volatile and power is cycled the HPA will be restored Device Configuration Overlay DCO The DCO feature was first introduced in ATA 6 standard The DEVICE CONFIGURATION SET command can be used to reduce the capacity of the hard disk by setting the device parameters or LBA to the desired value Address Offset This address offset method allows HDD to boot from its reserved area Page 65 The typical use would be to first set the HPA using the non volatile SET MAX ADDRESS command and then issue the SET FEATURES command to the hard disk This will result in changing the location of the first sector LBA 0 to the start of the protected area that was set using the non volatile SET MAX ADDRESS command Due to this change the former user area now becomes the reserved area PARTIES PARTIES Protected Area Run Time Interface Extension Services is a BIOS feature which makes use of the Host Protected Area feature set The main idea
60. antity of used buzz routines to spin up drive 209 Offline Seek Performance Drives seek performance during offline operations 220 Disk Shift Shift of disk volume relate to axis of spindle Actual value of attribute is in field raw The shift could happen as a result of heavy hit on device by device fall or otherwise Shift of disk is possible as a result of strong shock loading in the store as a result of its falling or for other reasons sometimes temperature Shift of disks towards spindle The raw value of this attribute indicates how much the disk has shifted Unit measure is unknown For more info see on Seagate website Seagate G Force Protection NOTE Shift of disks is possible as a result of a strong shock or a fall or for other reasons 221 G Sense Error Rate Errors rate in consequence to shock overload This attribute saves the data from sensor sensitive to shock Unknown function on IBM drives This attribute is an indication of shock sensitive sensor total quantity of errors appearance as a result of impact loads for example dropping drive Rate of errors occurring as a result of impact loads This attribute stores an indication of a shock sensitive sensor that is the total quantity of errors occurring as a result of internal impact loads dropping drive wrong installation etc For more info on Seagate website Seagate G Force Protection 222 Loaded Hours The load to head drive raised by total work
61. ation shall be Page 63 set to the current Absolute HDA Temperature value All remaining queue locations shall be set to 80h M4 5 4 LBA Segment Access Write Same Menu This action writes a pattern or 512 byte data block repeatedly to the media This capability could also be referred to as Write All Write Same or Long Segment Access The LBA Segment Access command will begin writing sectors from first LBA in incrementing order until count sectors have been written A count of zero means apply operation from first LBA until the last user LBA on the drive is reached If the HPA feature set is implemented by and enabled on the device then this feature set shall determine the last user LBA This command will not write over a hidden partition when hidden partitions are enabled using the Host Protected Area drive capabilities Automatic sector reassignment is permitted during the operation of this function Any command including IDENTIFY DEVICE other than SCT status issued to the drive while this command is in progress will terminate the LBA Segment Access command M4 5 4 1 LBA Repeat Write Pattern This function shall write a 32 bit pattern on the media starting at first LBA sector until the last user LBA M4 5 4 2 LBA Repeat Write Sector This function shall write a filled sector on the media starting at first LBA sector until the last user LBA M4 5 5 SCT Status page EOh Status for an SCT command may be read
62. ature set permits a host to modify the behavior of a device in a manner that reduces the power required to operate The Power Management feature set provides a set of commands and a timer that enable a device to implement low power consumption modes M13 1 5 PACKET Command feature set The optional PACKET Command feature set provides for devices that require command parameters that are too extensive to be expressed in the Command Block registers Devices implementing the PACKET Command feature set exhibit responses different from those exhibited by devices not implementing this feature set Hard drive devices do not support this feature set M13 1 6 Write Cache If feature Write Cache is supported it could be enabled or disabled with command SET FEATURES M13 1 7 Read Cache look ahead If feature Look Ahead is supported it could be enabled or disabled with command SET FEATURES M13 1 8 Release interrupt If feature Release interrupt is supported it could be enabled or disabled with command SET FEATURES M13 1 9 SERVICE interrupt If feature SERVICE interrupt is supported it could be enabled or disabled with command SET FEATURES Page 86 M13 1 10 DEVICE RESET command M13 1 11 Host Protected Area HPA feature set Host Protected Area HPA HPA is defined as a reserved area for data storage outside the normal operating file system This area is hidden from the operating system and files system and is normally
63. atures register the device shall return the current counter values for the command and then reset all Phy event counter values M13 5 SCSI Commands This menu is available for SCSI devices with loaded ASPI drivers only M13 5 1 SCSI Reset M13 5 2 Read Defect PList P List primary defect list is designated for defects found during manufacturing process For more information see SCSI Defects M13 5 3 Read Defect GList G List grown defect list is designated for defects created during normal use of the hard disk drive For more information see SCSI Defects 4 Parameters A list of parameters their values are changeable and depends on type of device Page 97 4 1 Device access Values None Ext INT13h INT13h ATAPI ASPI ATA PIO Default depends on type of device This parameter defines used type of access to the selected device e NONE For given device is not available any type of access e Ext INTi3h For accessing is used extended interrupt 13h Ext INT13h This choice is available only when direct access device support Ext INT13h Available functions VERIFY READ WRITE SEEK e INT13h For accessing is used standard interrupt 13h This choice is available only for direct access devices Available functions VERIFY READ WRITE SEEK READ ECC WRITE ECC ATA PIO Device is accessing direct via ATA ports Available functions VERIFY READ WRITE SEEK e ATAPI Type of direct access for ATAPI
64. ble while applying retries and is recovered by ECC it isn t counted by this counter it will be counted by the counter specified by parameter code O1h Error Corrected with Possible Delay Parameter code 03h Total Error Corrected This counter counts the total of parameter code errors 00h O1h and 02h There is to be no double counting of data errors among these three counters The sum of all correctable errors can be reached by adding parameter code Oih and 02h errors not by using this total Parameter Code 04h Total Times Correction Algorithm Processed This parameter code specifies the counter that counts the total number of retries or times the retry algorithm is invoked If after five attempts a counter 02h type error is recovered then five is added to this counter If three retries are required to get a stable ECC syndrome before a counter O1h type error is corrected then those three retries are also counted here number of retries applied to unsuccessfully recover an error counter 06h type error are also counted by this counter Parameter Code O5h Total Bytes Processed This parameter code specifies the counter that counts the total number of bytes either successfully or unsuccessfully read written or verified depending on the log page from the drive If a transfer terminates early because of an unrecoverable error only the logical blocks up to and including the one with the unrecoverable error are counted Data byt
65. bsystem Seek Error Rate Rate of seek errors of the magnetic heads If there is a partial failure in the mechanical positioning system then seek errors will arise Such a failure may be due to numerous factors such as damage to a servo or thermal widening of the hard disk More seek errors indicates a worsening condition of a disk s surface or the mechanical subsystem or both Note that Seagate drives often report a raw value that is very high even on new drives and this does not normally indicate a failure 8 Seek Time Performance Disk seeks system performance The average efficiency of operations while positioning Average performance of seek operations of the magnetic heads If this attribute is decreasing it is a sign of problems in the hard disk drive mechanical subsystem 9 Power On Hours Count Count of hours in power on state The raw value of this attribute shows total count of hours or minutes or seconds depending on manufacturer in power on state A decrease of this attribute value to the critical level threshold indicates a decrease of the MTBF Mean Time Between Failures However in reality even if the MTBF value falls to zero it does not mean that the MTBF resource is completely exhausted and the drive will not function normally Raw value of this attribute indicates how long the drive was working powered on Sense of attribute is identical with attribute Device Drive Power Cycle Count which shows count
66. can be incorporated into the new reliability architecture Though attributes are drive specific a variety of typical characteristics can be identified head flying height data throughput performance spin up time re allocated sector count seek error rate seek time performance spin try recount drive calibration retry count The attributes listed above illustrate typical kinds of reliability indicators Ultimately the disc drive design determines which attributes the manufacturer will choose Attributes are therefore considered proprietary since they depend on drive design SMART attribute is a specific property of disk being monitored Every SMART attribute has a set of properties attribute value its threshold worst attribute value and raw value Specific threshold is assigned to each attribute Once the attribute value drops below this threshold SMART considers disk to be faulty Attribute values Attribute values are used to represent the relative reliability of individual performance or calibration attributes The current attribute value is the normalized raw attribute data The value varies between 1 and 100 The closer the value gets to one the higher the possibility of a failure The device compares the attribute values with thresholds When the attribute values are larger than the thresholds the device is operating normally Attributes are being used to retrieve current state of a drive and to show their meaning in much more
67. capacities up to 281 474 976 710 655 sectors This allows device capacity up to 144 115 188 075 855 360 bytes 144 PB In addition the numbers of sectors that may be transferred by a single command are increased by increasing the allowable sector count to 16 bits 65 536 sectors Commands unique to the 48 bit Address feature set are FLUSH CACHE EXT READ DMA EXT READ DMA QUEUED EXT READ MULTIPLE EXT READ NATIVE MAX ADDRESS EXT READ SECTOR S EXT READ VERIFY SECTOR S SET MAX ADDRESS EXT WRITE DMA EXT WRITE DMA QUEUED EXT WRITE MULTIPLE EXT WRITE SECTOR S EXT The 48 bit Address feature set operates in LBA only Devices implementing the 48 bit Address feature set shall also implement commands that use 28 bit addressing 28 bit and 48 bit commands may be intermixed Support of the 48 bit Address feature set is indicated in the IDENTIFY DEVICE response In a device implementing the 48 bit Address feature set the Features register the Sector Count register the LBA Low register the LBA Mid register and the LBA High register are each a two byte deep FIFO Each time one of these registers is written the new content written is placed into the most recently written location and the previous content of the register is moved to previous content location Page 90 The host may read the previous content of the Features Sector Count LBA Low LBA Mid and LBA High registers by first setting
68. ccurs at the disc drive and the host notifies the user for action The SCSI specification provides for a sense bit to be flagged if the disc drive determines that a reliability issue exists The system then alerts the end user system manager Some failures are predictable and some are not A disc drive must be able to monitor many elements in order to have a comprehensive reliability management capability One of the most crucial elements understands failures Failures can be seen from two standpoints predictable and unpredictable Unpredictable failures occur quickly like electronic and mechanical problems such as a power surge that can cause chip or circuit failure Improvements in quality design process and manufacturing can reduce the incidence of non predictable failures For example the development of steel belted radial tires reduced the occurrences of blowouts common among older flat wall rag tire designs Predictable failures are characterized by degradation of an attribute over time before the disc drive fails This creates a situation where attributes can be monitored making it possible for predictive failure analysis Many mechanical failures are typically considered predictable such as the degradation of head flying height which would indicate a potential head crash Certain electronic failures may show degradation before failing but more commonly mechanical problems are gradual and predictable For instance oil level i
69. ce CRC In practice these CRC errors arise at over clocking PCI bus more then 33 6 MHz strong twisted cable and from drivers which does not observe demand for receive send data in Ultra DMA mode 200 Write Error Rate Count Indicates a rate at which write retries are requested Lower values indicate that there is a problem with either disk surface or read write heads The raw value indicates amount of write errors Frequency of errors appearance while recording data into disk Count of non corrected write errors Write data errors rate This attribute indicates the total number of errors found when writing a sector The higher raw i e more errors lower attribute value the worse condition of disk surface condition and or mechanical subsystem is Western Digital Multi Zone Error Rate 201 Soft Read Error Rate TA Counter Detected Frequency of the off track errors 202 Data Address Mark Errors TA Increase Count Frequency of the Data Address Mark errors Number of Data Address Mark DAM errors or vendor specific 203 Run Out Cancel Frequency of the ECC errors Maxtor ECC Errors 204 Soft ECC Correction Quantity of errors corrected by software ECC Page 40 205 Thermal Asperity Rate TAR Frequency of the thermal asperity errors 206 Flying Height The height of the disk heads above the disk surface 207 Spin High Current Quantity of used high current to spin up drive 208 Spin Buzz Qu
70. complete This is a longer and more thorough version of the Short Self Test described above Extended self test on hard disk from Toshiba execute Raw Read Error Rate test Write test Servo test Full Read Scanning M4 2 4 Conveyance Self Test Depending on the value in the LBA Low register this SMART Conveyance self test routine may be performed in either the captive or the off line mode This self test routine is intended to identify damage incurred during transporting of the device This self test routine should take about minutes to complete M4 2 5 Selective Self Test The SMART Selective self test routine is an optional self test routine Each range of LBA s is called a span and is specified by a starting LBA and an ending LBA Note that the spans can overlap partially or completely If the routine is implemented all features of the routine shall be implemented Support for the routine is indicated in off line data collection capabilities This self test routine shall include the initial tests performed by the Extended self test routine plus a selectable read scan The host shall not write the Selective self test log while the execution of a Selective self test command is in progress The user may choose to do read scan only on specific areas of the media To do this user shall set the test spans desired in the Selective self test log and set the flags in the Feature flags field of the Selective self test log to indicat
71. covery sequence If this command is not supported by the device the device shall abort the command upon receipt from the host returning the Aborted command error Page 60 During execution of the autosave routine the device shall not assert BSY nor deassert DRDY If the device receives a command from the host while executing its autosave routine it must respond to the host within two seconds M4 4 3 Automatic Off Line In new standards this command have been marked as obsolete This subcommand enables and disables the optional feature that causes the device to perform the set of off line data collection activities that automatically collect attribute data in an off line mode and then save this data to the device s non volatile memory Depending upon the implementation this subcommand may either cause the device after some vendor specified event to automatically initiate or resume performance of its off line data collection activities or this subcommand may cause the automatic off line data collection feature to be disabled Disabling this feature does not preclude the device from saving attribute values to non volatile memory during some other normal operation such as during a power on or power off sequence or during an error recovery sequence The state of the automatic off line data collection feature either enabled or disabled shall be preserved by the device across power cycles Implementation of this feature is opti
72. d This parameter determines direction of device testing A default setting is Forward Another choice is Backward and PingPong which is combination of Forward and Backward and first is used Forward Settings PingPong is valid only if parameter Batch Passes has value greater than 1 4 4 Group of tested sectors Values 1 up to 65 535 Default 127 This parameter determines number of sector of standard size 512 bytes which are used on handling with device If is used test function READ it will be allocated buffer with size 127x512 bytes if is enough free memory If is not enough available memory value of this parameter will be automatically adjust decreased to maximum available memory 4 5 First sector Values 0 up to max addressable sector of device Default 0 Value of parameter LBA address is first usable sector for testing or viewing of device 4 6 Last sector Values 0 up to max addressable sector of device Default last addressable sector of device Value of parameter LBA address is last usable sector for test or browse of device Together with parameter First sector you can easy set up test or browse area of device 4 7 Disable SMART for test Values enabled disabled Default enabled Page 103 During testing will be SMART disabled or enabled 4 8 Number of tests Values 1 up to 65 535 Default 1 Parameter set number of test repetitions If you want to use PingPong test you must s
73. d that is kept secret from the user and which may be used to unlock the device if the User password is lost Setting the Master password does not enable the password system Page 71 The security level is set to High or Maximum with the SECURITY SET PASSWORD command The security level determines device behavior when the Master password is used to unlock the device When the security level is set to High the device requires the SECURITY UNLOCK command and the Master password to unlock When the security level is set to Maximum the device requires a SECURITY ERASE PREPARE command and a SECURITY ERASE UNIT command with the Master password to unlock Execution of the SECURITY ERASE UNIT command erases all user data on the device The SECURITY FREEZE LOCK command prevents changes to passwords until a following power Cycle The purpose of the SECURITY FREEZE LOCK command is to prevent password setting attacks on the security system Sometimes this command will issue system BIOS If device is locked with SECURITY FREEZE LOCK command then program for this device will show a message ISECURITY FROZEN If device is locked with a password then program for this device will show a message SECURITY LOCKED A device that implements the Security Mode feature set shall implement the following minimum set of commands SECURITY SET PASSWORD SECURITY UNLOCK SECURITY ERASE PREPARE SECURITY ERASE UNIT SECURITY FREEZE LOCK SECURITY DI
74. devices CD ROM ZIP via ATAPI ports Available functions READ SEEK e ASPI Access to SCSI devices is via functions of ASPI drivers This choice is available only when ASPI manager is installed Available functions READ WRITE SEEK e ATA_PCI_DMA nct available now Access to device using DMA as bus master Available only for PCI ATA controllers which support bus master Device is accessing direct via DMA ports Available functions READ WRITE 4 2 Test procedure Values available functions for selected device Default Verify This parameter determines type of test functions Testing is divided into 6 basic functions VERIFY READ WRITE READ_ECC WRITE_ECC SEEK Each test has his own first function Verify Read and Write Wipe If a call of this first function returns an error we make the function call again 1 if a call of this first function return an error but the second function call is O K it will show a warning message first character W 2 if a first and second call of this first function return an error it will show a warning message about error second character Page 98 3 if a call of next function return an error it will show an error message third and fourth characters In other words first function will be called again if her first calling produced error The other functions will be called only one times In brackets are showed the characters which are the first c
75. e attributes are obtained from the temperature and start stop cycle counter log pages Certain vendor specific attributes are listed if recognised The attributes are output in a relatively free format compared with ATA SATA disk attributes Temperature Temperature Warning is enabled by setting the EWASC Enable Warning Additional Sense Code bit to 1 and setting DEXCPT Disable Exception Control bit to O in Informational Exceptions Control Mode Page 1C The warning is issued as sense data Sense Key 01 ASC OBh ASCQ Oth As with other SMART features thermal monitoring is controlled using Mode Select and Mode Sense pages The Enable Warning Additional Sense Code EWASC bit in the Information Exceptions Control Page page 1Ch controls whether or not any SMART notifications will be generated due to thermal monitoring events This bit can be set to 1 to enable thermal monitoring SMART notifications or set to 0 to prevent the generation of any SMART notifications due to thermal monitoring threshold crossings However clearing this bit will not turn off thermal analysis or logging of thermal data nor will it prevent operational limits from being imposed to protect the integrity of the drive SMART status and temperature is reported in Log Sense page 2Fh Temperature Log Sense page code ODh provides the temperature of the drive and Fibre Channel link error and initialization counts The temperature sensed in the device at the time the L
76. e HDD device in a location that the operating systems cannot change HPA Host Protected Area is a method with which the host BIOS OS can protect or reserve an area of the HDD or a given number of LBAs So in order to create a HPA with data in it you would first have to put data on those LBAs then issue a SET MAX or SET MAX EXT depending on the capacity of the HDD in order to protect the data that was written This will make those sectors invisible to the host Then if you issue a SET MAX or SET MAX EXT with the number of LBAs returned in the READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXTENDED command it will then allow the system access to those LBAs and the data associated You can see at Address Offset Mode feature also M9 1 Set Max Address This menu item is valid for ATA SATA hard drive only when the Host Protected Area feature set bit 10 of word 82 is implemented Use prohibited when the Removable feature set bit 2 of word 82 is implemented First we have to explain the concept e Native max address The native maximum address is the highest address accepted by the device in the factory default condition The native maximum address is the maximum address that is valid when using the SET MAX ADDRESS command If the 48 bit Address feature set is supported and the 48 bit native max address is greater than 268 435 455 the READ NATIVE MAX ADDRESS command shall return a maximum value of 268 435 454 e H
77. e cache operation to be determined by ATA Set Features command default The ATA Set Features command will determined the operation state of write cache per the ATA specification Page 62 Force write cache enabled Force write cache disabled Write cache will be forced into the corresponding operation state regardless of the current ATA Set Features state Any attempt to change the write cache settings through SET FEATURES shall be accepted but otherwise ignored and not affect the operation state of write cache and complete normally without reporting an error In all cases bit 5 of word 85 in the IDENTIFY DEVICE information will reflect the true operation state of write cache one indicating enabled and zero indicating disabled M4 5 2 2 Write Cache reordering Enable Write Cache Reordering default Disk write scheduling may be reordered by the drive If write cache is disabled the current Write Cache Reordering state is remembered but has no effect on non cached writes which are always written in the order received The state of Write Cache Reordering has no effect on either NCQ or LCQ queued commands Disable Write Cache Reordering Disk write scheduling is executed on a first in first out FIFO basis M4 5 2 3 Time Interval for temperature logging Set the time interval for temperature logging The default is value 0001h Value may be set from 0001h to FFFFh to specify the temperature logging interval in minut
78. e do not perform off line scan In this case the test spans defined shall be read scanned in their entirety The Selective self test log is updated as the self test proceeds indicating test progress When all specified test spans have been completed the test is terminated and the appropriate self test execution status is reported in the SMART READ DATA response depending on the occurrence of errors The test terminates when all test spans have been scanned After the scan of the selected spans a user may wish to have the rest of media read scanned as an off line scan In this case the user shall set the flag to enable off line scan in addition to the other settings If an error occurs during the scanning of the test spans the error is reported in the self test Page 54 execution status in the SMART READ DATA response and the off line scan is not executed When the test spans defined have been scanned the device shall then set the offline scan pending and active flags in the Selective self test log to one the span under test to a value greater than five the self test execution status in the SMART READ DATA response to 00h set a value of 03h in the off line data collection status in the SMART READ DATA response and shall proceed to do an off line read scan through all areas not included in the test spans This off line read scan shall complete as rapidly as possible no pauses between block reads and any errors encountered shall
79. e entered when either a SECURITY SET PASSWORD command user password or a SECURITY UNLOCK command completes without error The security state disabled not locked not frozen full access to device this state shall be entered when the device is powered up or a hardware reset is received with the Security feature set disabled or when the Security feature set is disabled by a SECURITY DISABLE PASSWORD or SECURITY ERASE UNIT command LOCKED Drive is locked with a password using SECURITY SET PASSWORD command Look at Security Menu menu and try Unlock device item Caution When device is in security locked mode then are all SET MAX and Device Configuration Overlay DCO commands aborted and many others FROZEN Drive is frozen with SECURITY FREEZE LOCK command There could be two reasons 1 Some program has issued this command you should turn power off and then turn power on 2 This command has been issued by BIOS turn power off remove data cable from this drive not a power cable turn power on and after boot from floppy or CD drive you can connect data cable back to drive and run HDAT2 Do not worry program can detect this dead device but so far PATA only not SATA devices Page 112 X 1 4 DCO NOT SUPPORTED Device does not supports Device Configuration Overlay feature set DCO IS ACTIVE It is similar as HPA are With DCO MODIFY command was reduced size of hard disk FROZEN Device is
80. e required If some area on the flash wears out faster than others it would significantly reduce the lifetime of the whole SSD even if the erase counts of others are far from the write cycle limit Thus if the write cycles can be distributed evenly across the media the lifetime of the media can be prolonged significantly This scheme is called wear leveling 174 Unexpected Power Loss Attribute counts number of unexpected power loss events 205 Maximum PE Count Specification PE means program erase cycle 225 Host Writes This attribute reports the total number of sectors written by the host system The raw value is increased by 1 for every 65 536 sectors written by the host 229 Halt System ID Flash ID Attribute represent halt system and flash ID 232 Firmware Version Information Transcend Attribute stores YYMMDD number of channels and banks 232 Endurance Remaining Adtron The Endurance Remaining attribute reports the number of physical erase cycles completed on the drive as a percentage of the maximum physical erase cycles the drive supports Because the maximum physical erase cycles is a theoretical number 100 000 a low value in this attribute does not necessarily mean the drive will fail In other words the drive may exceed the maximum number of erase cycles causing the drive to report 0 without impacting drive performance Page 45 232 Available Reserved Space Intel This attribute report
81. e the media serial number and the remaining 20 bytes shall indicate the media manufacturer For removable ATA devices e g flash media with native ATA interfaces that do not support removable media the first 20 words of this field shall be the same as words 46 27 of the IDENTIFY DEVICE response and the next ten words shall be the same as words 19 10 of the IDENTIFY DEVICE response This feature should be disabled if medium does not contain valid serial number or medium is not present M13 1 32 Media Card Pass Through Command feature set The Media Card Pass Through commands is implemented by a Media Pass Through device A device implementing the Media Card Pass Through Command feature set is a bridge to one or more types of media card storage devices This feature set embeds small format flash memory card commands inside the ATA commands The adapter s firmware passes the embedded memory card s command to the memory card as is from the ATA command The Media Card Pass Through Command feature set reduces the number of commands required for this feature set regardless of the number or type of memory card commands It also reduces the adapter s firmware overhead in processing them As new memory cards types are defined in the market they can all be supported within this one feature SD Card ATA Command Extension SDA 3C Smart Media ATA Command Extension SSFDC Forum Page 92 M13 1 33 Streaming feature set If b
82. eable all shall be set to one and the bits in the fields of the mode parameters that are non changeable i e defined by the logical unit all shall be set to zero Default values The default values of the mode parameters unsupported parameters shall be set to zero Default values should be accessible even if the logical unit is not ready Saved values Page 21 The method of saving parameters is vendor specific The parameters are preserved in such a manner that they are retained when the device is powered down Table 3 Mode sense page codes 00h 00h Vendor specific does not require page format Unit Attention Page Configuration page tape Drive Operation Read Write Error Recovery Format Device SBC Parallel Printer Interface SSC MRW CD RW MMC Serial Printer Interface SSC ait uit Flexible Disk SBC Printer Options SSC Write Parameters MMC pe eee RBC Device Parameters RBC 2 Olh Control Extension 0000 Fih Control sd F2h Serial ATA Control S O Medium Types Supported Notch and Partition CD Device Parameters MMC c NN ADC Device Configuration E Data Compression Device Configuration SSC Informational Exceptions Control Fault Failure RCD CREE der MMC oih Background Control 0000 round Control P c NN Element Address Assignments iM aL Iae Transport Transport Geometry Parameters
83. eal bad sector After writing function will be perform function Verify again For testing and recovering bad sectors written in FAT table you should use a program HDAT2FS INDICATION W V W V USAGE Possibility to repair of bad sectors with wrong CRC code DATA LOSS At sectors with a good CRC code come not to data loss At sectors with wrong CRC code come at writing to data loss in bad sector 4 2 4 blockVerifyWriteVerify Page 99 TEST Test blockVerifyWriteVerify is same like test VerifyWriteVerify but in case of finding error in tested block of sectors will be not execute checking or writing into single sectors but whole block of sectors will be count as erroneous In original test VerifyWriteVerify will be in case of an error overwritten only bad sectors not all sectors In this test will be in case of an error overwritten every sector in tested block Instead of one sector this test is working with whole block of sectors Hereby is speed up testing and repairing of bad sectors but with possibility of data loss from good sectors in block which is detected as bad INDICATION W V W V USAGE Possible uses to repair whole block which contain many bad sectors DATA LOSS At tested block of sectors which contain CRC bad sectors will be loss informations in whole block of sectors If tested block of sectors does not contain bad sectors no data will be loss 4 2 5 Read TEST Test Read executes reading of s
84. ease with increasing power management levels A device may implement one power management method for two or more contiguous power management levels For example a device may implement one power management method from level 80h to AOh and a higher performance higher power consumption method from level Aih to FEh Advanced power management levels 80h and higher do not permit the device to spin down to save power The Advanced Power Management feature set uses the following functions Page 87 A SET FEATURES subcommand to enable Advanced Power Management A SET FEATURES subcommand to disable Advanced Power Management Advanced Power Management is independent of the Standby timer setting If both Advanced Power Management and the Standby timer are set the device will go to the Standby state when the timer times out or the device s Advanced Power Management algorithm indicates that the Standby state should be entered The IDENTIFY DEVICE indicates that Advanced Power Management is supported if Advanced Power Management is enabled and the current advanced power management level if Advanced Power Management is enabled For APM change is used new menu M13 1 19 Removable Media Status feature set If feature Removable Media Status Notification feature set is supported it could be enabled or disabled with command SET FEATURES M13 1 20 Power Up in Standby PUIS feature set The optional Power Up in Standby feature set allows d
85. ectors only It is analogy to test Verify but this function read the contents of sectors INDICATION W R USAGE Test detects bad sectors only DATA LOSS It is executing read only never come to data loss 4 2 6 ReadReadCompare TEST Test ReadReadCompare execute reading sectors without writing like function Read As opposed to function Read selected sectors will be read twice into two different buffers but during testing in the same memory places and then will compare their contents INDICATION W R R C USAGE Test detects bad sectors errors at reading R R If error happen at memory buffers comparing error C it could be bad memory main memory of PCs bad cache memory of CPU s or hard disks optionally bad functionality of controller write to device something else read over defective cable at SCSI devices not functional or bad termination With this test you could detect bad ATA controllers in VIA chipsets DATA LOSS Execute read only never come to data loss 4 2 7 ReadWrite TEST Test ReadWrite execute reading and writing of sectors Into sectors is writing the contents of sectors from buffer filled at reading before INDICATION W R W USAGE With concurrent reading and writing can be detected Page 100 controller error shift of data at writing or at reading bad cache memory of device found CRC bad sectors will be repaired with consecutive writing good writing with inco
86. er power up or hardware reset Typical use of these commands would be 1 on reset a BIOS receives control after a system reset b BIOS issues a READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT command to find the max capacity of the device C BIOS issues a SET MAX ADDRESS or SET MAX ADDRESS EXT command to the values returned by READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT d BIOS read configuration data from the highest area on the disk e BIOS issues a READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT command followed by a SET MAX ADDRESS or SET MAX ADDRESS EXT command to reset the device to the size of the file system Page 78 2 on save to disk a BIOS receives control prior to shut down b BIOS issues a READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT command to find the max capacity of the device C BIOS issues a volatile SET MAX ADDRESS or SET MAX ADDRESS EXT command to the values returned by READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT d Memory is copied to the reserved area e Shut down completes f On power on or hardware reset the device max address returns to the last non volatile setting These commands are intended for use only by system BIOS or other low level boot time process Using these commands outside BIOS controlled boot or shutdown may result in damage to file systems on the device Devices should return command aborted if a subsequent non volatile SET MAX
87. errupt INT13h and Extended INT13h from ASPI drivers M3 2 Inquiry Data This option is valid only for ATAPI SCSI or USB devices For SCSI and USB devices only in case with loaded ASPI driver The INQUIRY command requests that information regarding identification of the Logical Unit be send to the Initiator Options allow the Initiator to request additional information about the Logical Unit like product identification peripheral device type product revision level etc M3 3 Mode Sense Data This option is valid only for ATAPI SCSI or USB devices For SCSI and USB devices only in case with loaded ASPI driver The MODE SENSE command provides a means for a device server to report parameters to an application client The page control field specifies the type of mode parameter values which will returned in the mode pages current changeable default and saved values Current values The current values returned are a The current values of the mode parameters established by the last successful MODE SELECT command b The saved values of the mode parameters if a MODE SELECT command has not successfully completed since the mode parameters were restored to their saved values or C The default values of the mode parameters if a MODE SELECT command has not successfully completed since the mode parameters were restored to their default values Changeable values In the mask the bits in the fields of the mode parameters that are chang
88. es This value applies to the Absolute HDA Temperature History queue Issuing this command shall cause the queue to be reset and any prior values in the queues shall be lost Queue Index shall be set to zero and the first queue location shall be set to the current value All remaining queue locations are set to 80h The Sample Period Max Op Limit Over Limit Min Op Limit and Under Limit values are preserved M4 5 3 Data Table Menu Read a data table returns Relative and Absolute HDA Temperature and Temperature history M4 5 3 1 HDA Temperature History The placement accuracy and granularity of temperature sensors to support this temperature history are vendor specific The Absolute HDA Temperature History in degrees C is preserved during the processing of all power and reset events with the requirement that when the device powers up a new entry is made in the history queue with a value of 80h i e an invalid absolute temperature value This allows an application viewing the history to see the discontinuity in temperature resulting from the device being turned off If the device does not sample temperatures during a certain power state e g Sleep or Standby then a value of 80h is entered into the history queue to indicate that temperature sensing has resumed When the Absolute HDA Temperature history is cleared e g for new devices or after changing the Logging Interval the Queue Index shall be set to zero and the first queue loc
89. es not necessarily mean drive failure SMART for USB hard drives The majority of drives connected via USB and Firewire are not supported The protocol bridge between the USB and ATA protocols doesn t seem to support SMART data Some SMART enabled motherboards and related software may not communicate with certain SMART capable drives depending on the type of interface Few external drives connected via USB and Firewire correctly send SMART data over those interfaces With so many ways to connect a hard drive e g SCSI Fibre Channel ATA SATA SAS SSA it s difficult to predict whether SMART reports will function correctly M4 1 1 Read Data This command returns the Device SMART data structure to the host This data structure contains status bytes collection and error logging capability and estimated polling time for SMART routines M4 1 2 Read Attribute Data SMART attribute is a specific property parameter of disk being monitored The attribute is referred to either by its number or by its descriptive name Attribute value is a positive integral number usually in range from 1 to 100 or sometimes 1 to 200 max 255 Maximum values are good minimum values indicate that some component of the disk is about to fail Specific threshold is assigned to each attribute Once the value drops below this threshold SMART considers disk to be faulty it is happen T E C Maximum number of attributes is 30 Numbers of attributes depends on manu
90. es transferred to the initiator during a Mode Select Mode Sense Inquiry Write Data Buffer etc do not count only user data bytes are counted by this counter Parameter Code O6h Total Uncorrected Errors This parameter code specifies the counter that contains the total number of blocks for which an uncorrected data error has occurred Non medium error count Log sense page code 06h provides for summing the occurrences of recoverable error events other than write read or verify failures Parameter code 0000h Non medium error count is the only code supported for this page This page contains counters for non medium errors This includes seek errors and other hardware type failures Self Test Results Parameter Code This field identifies the log parameter being transferred The Parameter Code field for the results of the most recent self test contains 0001h the Parameter Code field for the results of the second most recent test contains 0002h etc Self test Segment Number Page 49 This field identifies the number of the segment that failed during the self test 00h The segment that failed cannot or need not be identified Self test Code This field contains the value in the Self test Code field of the Send Diagnostics command that initiated this device self test Self test Results Value Table 13 Self Test Results Value Value _ Description The background self test routi
91. essful and not successful Count of remap operations transferring data from a bad sector to a special reserved disk area spare area The raw value of this attribute shows the total number of attempts to transfer data from reallocated sectors to a spare area Unsuccessful attempts are counted as well as successful Reallocation Event Count means drive found some weak sectors and marked them pending But later it was able to successfully recover these sectors by reading or writing them Reallocation Event Count records both successful and unsuccessful tries A bad sector marked by the disk and invisible to the operating system can be counted as reallocation event or reallocated sector count If these numbers start growing something is seriously wrong 197 Current Pending Sector Count Amount of pending sectors If the sector issues and error during read or write the drive marks it as pending for a certain time before replacing this error sector with a spare one Current count of unstable sectors waiting for remapping The raw value of this attribute indicates the total number of sectors waiting for remapping Later when some of these sectors are read successfully the value is decreased If errors still occur when reading some sector the hard drive will try to restore the data transfer it to the reserved disk area spare area and mark this sector as remapped If this attribute value remains at zero it indicates that the qualit
92. et this parameter to value greater than 1 4 9 Count of retry on error Values 0 up to 255 Default 3 This value determines number of function repetitions on error calling If some function cannot e g read sector this function will try again 3 times Value 0 means no repetitions for function calling this is better for speed up of bad sectors testing 4 10 Device reset on error Values enabled disabled Default disabled If this parameter is set to enable then on every error occurrence read or write error will be perform reset on selected device before re run used function In the current version reset will be used for floppy and hard disk devices only 4 11 Show C H S Values enabled disabled Default disabled If this parameter is set to enable then on screen it will appear LBA sector address and sector address in C H S form cylinder head and sector 4 12 Sound CTRL S Values enabled disabled Default enabled If this parameter is set to enable then program will generate a sound mostly in case of an error Using keys CTRL S you can disable or enable sound at any time 4 13 Pause on detect screen Values enabled disabled Default disabled If screen is full then for settings enable will appear text Pause On Screen press any key down on the screen and program is waiting for input from keyboard to continue of listing This is apply only for so called detect screen Page 104
93. evices to be powered up into the Standby power management state to minimize inrush current at power up and to allow the host to sequence the spin up of devices This optional feature set may be enabled or disabled via the SET FEATURES command or may be enabled by use of a jumper or similar means or both When enabled by a jumper the feature set shall not be disabled via the SET FEATURES command The IDENTIFY DEVICE or IDENTIFY PACKET DEVICE response indicates whether this feature set is implemented and or enabled The enabling of this feature set shall be persistent after power down and power up When this feature set is enabled the device shall power up into Standby A device may implement a SET FEATURES subcommand that notifies the device to spin up to the Active state when the device has powered up into Standby If the device implements this SET FEATURES subcommand and power up into Standby is enabled the device shall remain in Standby until the SET FEATURES subcommand is received If the device implements this SET FEATURES subcommand the fact that the feature is implemented is reported in the IDENTIFY DEVICE or IDENTIFY PACKET DEVICE response Power up in standby PUIS is a hard disk configuration which prevents the drive from automatic spinup when power is applied The spinup occurs later by an ATA command only when the disk is needed to conserve electric power PUIS requires corresponding BIOS support If PUIS is enabled on the drive bu
94. f ESCD are identical with PnP because for access to ESCD are used the same functions of PnP BIOS look at X 4 Here are described error codes of ESCD functions only 00h SUCCESS Function completed successfully 55h ESCD IO ERROR READING The system BIOS could not read or write the Extended System Configuration Data ESCD from nonvolatile storage 56h ESCD INVALID The system does not have a valid Extended System Configuration Data ESCD in nonvolatile storage Page 117 e 59h ESCD BUFFER TOO SMALL The memory buffer passed in by the caller was not large enough to hold the data to be returned by the system BIOS e 5Ah ESCD NVRAM TOO SMALL All of the ESCD cannot be stored in the NVRAM storage available on this system e 81h FUNCTION SUPPORTED The function is not supported on this system Page 118 Z References 1 ATA ATAPI SATA SATAPI standards http www t13 org 2 SCSI Storage Interfaces http www t10 org 3 BIOS Enhanced Disk Drive Services EDD T13 1484D 4 BIOS Enhanced Disk Drive Services 2 EDD 2 T13 1484D rev 3 21 02 2002 5 Standard BIOS 32 bit Service Directory Proposal Revision 0 4 18 06 1993 Phoenix Technologies Ltd PC Division Desktop Product Line 6 Compaq Phoenix Intel Plug and Play BIOS Specification v1 0A 05 05 1994 7 Compaq Phoenix Intel EXTENDED SYSTEM CONFIGURATION DATA SPECIFICATION ESCD v1 02A 31 05 1994 Part Number
95. f operation that balances performance with reliability This feature set is optional for devices not implementing the PACKET Command feature set and prohibited for devices implementing the PACKET Command feature set The basic idea is for the host to define to the device a maximum time limit during which a group of commands is expected to complete The device shall attempt to guarantee completion of the group of commands within the time limit The timer in the device has these mutually exclusive states disabled armed running and expired The timer does NOT apply to each individual command but to the combined time required to execute a group of commands If the device does not complete a qualified command before the timer expires the device shall either abort the command or continue possibly transferring incorrect data M13 1 41 Read Write Continuous mode in TLC feature If bit 12 of word 84 is set to one the device supports the Read Continuous and Write Continuous mode within the Time Limited Read Write feature set 7 M13 1 42 IDLE IMMEDIATE with UNLOAD FEATURE The IDLE IMMEDIATE command allows the host to immediately place the device in the Idle mode Command completion may occur even though the device has not fully transitioned into the Idle mode The optional unload feature of the IDLE IMMEDIATE command provides a method for the host to cause a device that has movable read write heads to move them to a
96. facturer Remember that attributes are no longer part of the ATA standard but most manufacturers still support them Although SFF 8035i does not define the meaning or interpretation of attributes many have a de facto standard interpretation Each attribute has a six byte raw value RAW VALUE and a one byte normalized value VALUE The format of the raw data is vendor specific and not specified by any standard To track disk reliability the disk s firmware converts the raw value to a normalized value ranging from 1 to 254 If this normalized value is less than or equal to the threshold THRESH the attribute is said to have failed Program only reports the different attribute types values and thresholds as read from the device It does not carry out the conversion between Raw and Normalized values this is done by the disk s firmware The conversion from Raw value to a quantity with physical units is not specified by the SMART standard In most cases the values printed are sensible For example the temperature attribute generally has its raw value equal to the temperature in Celsius The raw SMART attributes temperature power on lifetime and so on are stored in vendor specific structures For example the Hitachi disk reports its power on hours in minutes not hours Some IBM disks track three temperatures rather than one in their raw values Some firmware Western Digital initializes SMART some attributes 10 11 and 199 after ei
97. hall then be unlocked by either the User password or the previously set Master password User Maximum The password supplied with the command shall be saved as the new User password The Lock mode shall be enabled from the next power on or hardware reset The device shall then be unlocked by only the User password The Master password previously set is still stored in the device but shall not be used to unlock the device Master High or This combination shall set a Master password but shall not enable Maximum or disable the Lock mode The security level is not changed Master password identifier set to the value in Master Password Revision Code field 8 2 Freeze Lock The SECURITY FREEZE LOCK command shall set the device to Frozen mode After command completion any other commands that update the device Lock mode shall be command aborted Frozen mode shall be disabled by power off or hardware reset If SECURITY FREEZE LOCK shall be issued when the device is in Frozen mode the command executes and the device shall remain in Frozen mode Commands disabled by SECURITY FREEZE LOCK are SECURITY SET PASSWORD SECURITY UNLOCK SECURITY DISABLE PASSWORD SECURITY ERASE PREPARE SECURITY ERASE UNIT Password freeze Page 73 The BIOS is sending the Freeze Lock on boot to all drives to prevent virus from setting passwords Just power on the PC boot it with HDAT2 disk and only plug the drive after the BIOS post M8s 3 Un
98. haracters of used functions First character W in brackets means Warning 4 2 1 Verify TEST Test Verify performs verification of sectors only without writing It does not read contents of sector but only CRC code INDICATION W V USAGE Test detects bad sectors with incorrect CRC only DATA LOSS It performs verification only never come to loss of data 4 2 2 blockVerify TEST Test blockVerify is like test Verify but when error occurs in tested blocks of sectors he is not doing consecutive verification of single sectors in readden block of sectors and immediately return error flag Instead counting of bad sectors is used counting whole blocks of sectors in which was detected error one or more Verification is executed without writing It will not read contents of sector but only CRC code INDICATION W V USAGE Test detects whole blocks of CRC bad sectors DATA LOSS It is doing verification whole block of sectors never come to data loss 4 2 3 VerifyWriteVerify TEST Test VerifyWriteVerify perform verification of sectors like test Verify When test find erroneous sector it is not possibly to read the contents of this sector it will do writing prepared pattern default HDAT before into sector The write in case of CRC error will correct this CRC error and bad sector will be useable again Writing into sector cause a loss of data informations in selected sector If at writing appears error again it is probably r
99. he Master password shall be reactivated when a User password is set The device shall return command aborted if the command is not supported the device is in Locked mode or the device is in Frozen mode 8 5 Erase Unit The SECURITY ERASE PREPARE command shall be issued immediately before the SECURITY ERASE UNIT command to enable device erasing and unlocking This command prevents accidental loss of data on the device The device shall return command aborted if the command is not supported or the device is in Frozen mode This command transfers 512 bytes of data from the host If the password does not match the password previously saved by the device the device shall reject the command with command aborted The SECURITY ERASE PREPARE command shall be completed immediately prior to the SECURITY ERASE UNIT command If the device receives a SECURITY ERASE UNIT command without an immediately prior SECURITY ERASE PREPARE command the device shall command abort the SECURITY ERASE UNIT command When Normal Erase mode is specified the SECURITY ERASE UNIT command shall write binary zeroes 00h or binary ones O1h to all user data areas The Enhanced Erase mode is Page 74 optional When Enhanced Erase mode is specified the device shall write predetermined data patterns by the vendor to all user data areas In Enhanced Erase mode all previously written user data shall be overwritten including sectors that are no longer in use d
100. ification b defects previously identified with a REASSIGN BLOCKS command C defects previously detected by the device server and automatically reallocated The direct access block device may automatically reassign defects if allowed by the Read Write Error Recovery mode page Defects may also occur after initialization The application client issues a REASSIGN BLOCKS command to request that the specified logical block address be reassigned to a different part of the medium This operation may be repeated if a new defect appears at a later time The total number of defects that may be handled in this manner is vendor specific In the usual case a defect that has been reassigned no longer has an LBA Defect management on direct access block devices is vendor specific Direct access block devices not using a removable medium may optimize the defect management for capacity or performance or both Some direct access block devices that use a removable medium do not support defect management or use defect management that does not impede the ability to interchange the medium The grown defect list can be cleared by performing a special FORMAT UNIT command and providing it specific parameters to clear the list If you clear the defect list eventually your operating system will attempt to put good data on blocks that were previously marked as bad and you would have data loss Write failures If one or more commands performing write operations are in
101. ility program to modify some of the optional commands modes and feature sets that a device reports as supported in the IDENTIFY DEVICE or IDENTIFY PACKET DEVICE command data as well as the capacity reported Commands of Device Configuration Overlay feature set DEVICE CONFIGURATION FREEZE LOCK DEVICE CONFIGURATION IDENTIFY DEVICE CONFIGURATION RESTORE DEVICE CONFIGURATION SET SATA II Device Configuration Overlay DCO The Serial ATA II Extensions to Serial 1 0a r1 1 specification defines additional SATA II parameters that can be controlled by the ATA 7 Device Configuration Overlay DCO feature set The DCO feature set allows the host to disable use of some SATA II features even across a power cycle with very specific requirements to restore those functionalities This feature set provides additional flexibility for the OEMs to control drive functionality As an example using DCO is a method to disable Native Command Queuing functionality on SATA drives It should be noted that disabling interface power management would disable support for host initiated SATA interface power management as well as any device initiated SATA interface power management M7 1 Show Identify This command DEVICE CONFIGURATION IDENTIFY specifies the selectable commands modes capacity and feature sets that the device is capable of supporting After the execution of a DEVICE CONFIGURATION SET command this information is no longer available from a
102. in state which prevents accidental modification of the Device Configuration Overlay settings Device Configuration freeze lock condition shall be cleared by a power down The solution is described at ISECURITY FROZEN SIZE ERROR Extreme rare case when sector count of device from READ NATIVE MAX ADDRESS command is greater than value from DCO IDENTIFY command In most cases it is faulty firmware 1 5 ATA MODE XXX max YYY Drive is running transfer mode XXX but this drive supports maximum higher transfer mode YYY It could be your controller does not supports this maximum transfer mode Look in menu on Device Information for more informations X 1 6 EDD HPA IS ACTIVE This is the same as for SET MAX command but the HPA is not made with SET MAX command NOT SUPPORTED Extended INT13h does not supports Enhanced Disk Drive support subset X 1 7 OFFSET ADDRESS OFFSET Address Offset Mode Reserved Boot Area is enabled To learn more about this feature use web search engine for PARTIES X 1 8 IPOWER ACTIVE In Active mode normal mode the device is capable of responding to commands During the execution of a media access command a device shall be in the Active state Power consumption is greatest in this state Page 113 For example when a read write command is performed the hard disk is shifted to the active mode IDLE In Idle mode the device is capable of responding to commands b
103. ing moment of a drive 228 Power Off Retract Count This attribute shows a count of the number of times the drive was powered down Number of power off retract events 230 GMR Head Amplitude Amplitude of heads vibration trembling GMR head in working running state 231 Drive Temperature Hard disk drive temperature The raw value of this attribute shows built in heat sensor registrations in degrees centigrade Studies have shown that lowering disk temperatures by as little as 5 C significantly reduces failure rates though this is less of an issue for the latest generation of fluid drive bearing drives One of the simplest and least expensive steps you can take to ensure disk reliability is to add a cooling fan that blows cooling air directly onto or past the system s disks In this case the raw value stores three temperatures the disk s temperature in Celsius 29 plus its lifetime minimum 23 and maximum 33 values The format of the raw data is vendor specific and not specified by any standard 240 Head Flying Hours Hitachi Time while head is positioning Page 42 Modern drive heads float over the surface of the disk and do all of their work without ever physically touching the platters they are magnetizing The amount of space between the heads and the platters is called the floating height or flying height It is also sometimes called the head gap and some hard disk manufacturers refer to the heads as
104. ining when the error was found If you suspect that something is wrong with a disk I strongly recommend running a long self test to look for problems M4 3 6 Selective Log The Selective self test log is a log that may be both written and read by the host This log allows the host to select the parameters for the self test and to monitor the progress of the self test The selective self test log shows the start end Logical Block Addresses LBA of each of the five test spans and their current test status If the span is being tested or the remainder of the disk is being read scanned the current 65536 sector block of LBA s being tested is also displayed The selective self test log also shows if a read scan of the remainder of the disk will be carried out after the selective self test has completed and the time delay before restarting this read scan if it is interrupted M4 3 7 Dump of LOG pages In this menu you can select one of these menu modes LOG Directory This menu item reads SMART log included in SMART Directory Log only All 256 pages Page 59 List of all SMART log pages regardless of SMART Directory Log Accessible pages List of all available readable accessible pages Not Accessible pages List of nonexistent or unavailable pages Non Empty pages List of available non empty pages containing binary data other than OOh Empty pages List of available empty pages containing binary data OOh
105. is that the system manufacturer reserves an area at the end of the disk This area is configured to provide an emergency boot location and may contain various diagnostic services A means of booting from the protected area is provided by the BIOS The BIOS may password protect the PARTIES area which could make access impossible without vendor support or without moving the disk to a machine with a non PARTIES BIOS M6 1 Overview of Hidden Areas This menu item will display summary about all hidden areas on hard disk M6 2 Auto Remove Hidden Areas With this menu item you can try to auto remove present hidden areas Auto Remove DCO Area 1 Read Device Configuration Overlay DCO data 2 Write back DCO data to device with already corrected capacity 3 In case of setting error we try to run Device Configuration Overlay Restore command M6 3 Dump of HPA area M6 4 Dump of DCO area Page 66 M7 Device Configuration Overlay DCO Menu ATA ATAPI Device Configuration Overlay DCO DCO allows systems to modify the apparent features provided by a hard disk drive device It provides a set of commands that allow a utility program to modify some of the commands modes and feature sets reported as supported by the hard disk drive It can be used to hide a portion of the hard disk drive s capacity from being viewed by the operating system and the file system The optional Device Configuration Overlay feature set allows a ut
106. it 4 of word 84 is set to one the device supports the Streaming feature set The Streaming feature set is an optional feature set that allows a host to request delivery of data from a contiguous logical block address range within an allotted time This places a priority on time to access the data rather than the integrity of the data Streaming feature set commands only support 48 bit addressing Valid CONFIGURE STREAM command Streaming feature set A valid CONFIGURE STREAM command has been executed M13 1 34 General Purpose Logging GPL feature set If bit 5 of word 84 is set to one the device supports the General Purpose Logging feature set ATA ATAPI 7 The General Purpose Logging feature set provides a mechanism for accessing logs in a device These logs are associated with specific feature sets such as SMART Support of the individual logs is determined by support of the associated feature set If the device supports a particular feature set support for any associated log s is mandatory Support for the General Purpose Logging feature set shall not be disabled If the feature set associated with a requested log is disabled the device shall return command abort M13 1 35 WRITE DMA MULTIPLE FUA EXT commands If bit 6 of word 84 is set to one the device supports the WRITE DMA FUA EXT and WRITE MULTIPLE FUA EXT commands ATA ATAPI 7 M13 1 36 WRITE DMA QUEUED FUA EXT command If bit 7 of word 84 is set to one the device suppo
107. item Set Max Address Item Value volatile should be configured to hard setting Now you can press a key S to set restore native maximum address PASSWORD With SET MAX SET PASSWORD command was set a password LOCKED Device is either locked via SET MAX SET PASSWORD command or is frozen via SET MAX FREEZE LOCK command SIZE ERROR Extreme rare case when sector count of device is greater than value from READ NATIVE MAX ADDRESS command In most cases it is faulty firmware X 1 2 SMART DISABLED SMART feature set is supported but disabled Page 111 O K in green color SMART attributes and SMART status is O K WARNING in yellow color Some of those non critical attributes has bad value 184 189 199 200 202 203 ERROR in red color Some of those critical attributes has bad value 5 196 198 201 220 ALERT in red color SMART reports a failure of drive Look at SMART Menu for detailed informations It is time to make a data backup X 1 3 ISECURITY ENABLED The security has been enabled by setting an User password with the SECURITY SET PASSWORD command If not then there is no valid User password When security is enabled the device is locked i e access to user data on the device is denied after a power on reset is processed The device is locked until a SECURITY UNLOCK command completes without error The security state enabled not locked not frozen this state shall b
108. ity bits Results of self test routine are reported in the Self Test Error Log in Read Log Menu Note that on some disks the progress of the self test can be monitored by watching this log during the self test M4 2 1 Off Line SMART off line routine shall only be performed in the off line mode The results of this routine are placed in the Off line data collection status byte Of line collection on hard disk from Toshiba execute Raw Read Error Rate test Partial Read Scanning M4 2 2 Short Self Test Depending on the value in the LBA Low register this SMART Short self test routine may be performed in either the captive or the off line mode This self test routine should take about ones of minutes to complete This is a test in a different category than the immediate or automatic offline tests The Self tests check the electrical and mechanical performance as well as the read performance of the disk Their results are reported in the Self Test Error Log The progress of the self test can be monitored by watching this log during the self test Page 53 Short self test on hard disk from Toshiba execute Raw Read Error Rate test Write test Servo test Partial Read Scanning M4 2 3 Extended Self Test Depending on the value in the LBA Low register this SMART Extended self test routine may be performed in either the captive or the off line mode This self test routine should take about tens of minutes to
109. k etc Indicates that attribute measure frequency of errors e Events Count EC 10h Sometimes is labeled like Error Count Attribute is an events counter e Self Preserving SP 20h Value of attribute is restoring and saving automatically usually at every start of device and at execution of SMART tests Indicates that attribute is automatically preservable and restored each time when Page 32 performing SMART tests Each attribute has its own value meaning and importance Unfortunately each manufacturer can make extensions to SMART attributes and most of them prefer to keep their own extensions in secret Some disk manufacturers use their own ID s for attributes The names meanings of attributes and the interpretation of their raw values is not specified by any standard Different manufacturers sometimes use the same attribute ID for different purposes Unfortunately as you can see this table is not complete and most likely on your HDD shows some attributes with the name Unknown attribute It means that I do not have any information about the name and meaning of this attribute Table 11 SMART attributes ID IDhex Description O Z O O 0 00h Invalid attribute identifier not in use 2 6 06h ReadChannel Margin O Z 8 08h SeekTimePerformnce T Power On Time Count 99 63h Average FHC Fly Height Controller Maxtor Minimum FHC Fly Height Cont
110. k without knowing the User password One way to reuse the disk is to issue the SECURITY ERASE PREPARE command followed by SECURITY ERASE UNIT However the SECURITY ERASE UNIT command will require the Master password and all data will be erased as a result Laptops usually send Security frozen command to a drive once they lock unlock the drive and to use Security commands after that you will need to re power the drive but not a laptop itself Some BIOS is sending the Freeze password freeze on boot to all drives to prevent virus from setting passwords Just power on the PC boot it with HDAT2 disk and only plug the drive after the BIOS post If you have a modular BIOS like Award you can mess with the bios and place there a special module to manage the ATA passwords directly on the BIOS Security Mode feature set The optional Security Mode feature set is a password system that restricts access to user data stored on a device The system has two passwords User and Master and two security levels High and Maximum The security system is enabled by sending a user password to the device with the SECURITY SET PASSWORD command When the security system is enabled access to user data on the device is denied after a power cycle until the User password is sent to the device with the SECURITY UNLOCK command A Master password may be set in addition to the User password The purpose of the Master password is to allow an administrator to establish a passwor
111. ke a normal one It may be used to protect confidential data or store backup of the system This partition does not limits the native size of a drive E g A hidden rescue partition on laptop can stores install or utility files in case you need to reinstall system Host Protected Area HPA The HPA was first introduced in the ATA 4 standard The primary function of the HPA is to store diagnostic utilities as well as a boot record this is useful when it is not possible to boot from the primary partition One can use the SET MAX ADDRESS command to reset the HPA to the maximum user addressable sectors and then boot from what was the HPA If the volatile bit is also set then the hard disk retains the new values on power up or reboot HPA Host Protected Area is a method with which the host BIOS OS can protect or reserve an area of the HDD or a given number of LBAs So in order to create a HPA with data in it you would first have to put data on those LBAs then issue a SET MAX or SET MAX EXT depending on the capacity of the HDD in order to protect the data that was written This will make those sectors invisible to the host Then if you issue a SET MAX or SET MAX EXT with the number of LBAs returned in the READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT command it will then allow the system access to those LBAs and the data associated Spec says that If a Host Protected Area has been created using the SET MAX ADDRESS comm
112. lated to the password used for the Security Mode Feature set When the password is set the device is in the Set Max Unlocked mode M9 3 Lock The SET MAX LOCK command allows the host to disable the SET MAX commands except SET MAX UNLOCK until the next power cycle or the issuance and acceptance of the SET MAX UNLOCK command When this command is accepted the device is in the Set max locked mode M9 4 Unlock The SET MAX UNLOCK command changes the device from the Set Max Locked mode to the Set Max Unlocked mode Page 79 M9 5 Freeze Lock The SET MAX FREEZE LOCK command allows the host to disable the SET MAX commands including Set Max Unlock until the next power cycle When this command is accepted the device is in the Set Max Frozen mode M9 6 Auto Remove HPA Area This menu item will try to remove detected HPA area Page 80 M10 Quantum Menu This menu of specific commands is valid for hard drives Quantum and some Maxtor only Originated was these commands implemented for Quantum s hard drives M10 1 Read Defect List Defect lists store information about defect in the user area of the disk Two lists exist in the system area G List and P List Defects could be placed only in G List or in the G List and P List together It is not allowed to have defect only in P List Factory list P List is static User list G List is dynamic The drive skips sectors in the P List like they don t e
113. lock This command transfers 512 bytes of data from the host If the Identifier bit is set to Master and the device is in high security level then the password supplied shall be compared with the stored Master password If the device is in maximum security level then shall be the unlock command rejected If the Identifier bit is set to user then the device shall compare the supplied password with the stored User password If the password compare fails then the device shall return command aborted to the host and decrements the unlock counter This counter shall be initially set to five and shall be decremented for each password mismatch when SECURITY UNLOCK is issued and the device is locked When this counter reaches zero then SECURITY UNLOCK and SECURITY ERASE UNIT commands shall be command aborted until a power on reset or hardware reset SECURITY UNLOCK commands issued when the device is unlocked have no effect on the unlock counter 8 4 Disable Password The SECURITY DISABLE PASSWORD command transfers 512 bytes of data from the host Device shall be in Unlocked mode The device shall disable the User password and return the drive to the state Security is disabled This command shall not change the Master password or the Master Password Identifier If the selected password User or Master matches the password previously saved by the device the device shall disable the Lock mode This command shall not change the Master password T
114. n IDENTIFY DEVICE or IDENTIFY PACKET DEVICE command M7 2 Modify The Device Configuration Overlay feature set may affect words 61 60 63 88 82 and 103 100 of the IDENTIFY DEVICE and IDENTIFY PACKET DEVICE command responses Certain bits in these words that indicate that a command mode capacity or feature set is supported and enabled may be cleared by a DEVICE CONFIGURATION SET command For a particular command mode capacity or feature set when a bit is cleared indicating that the device does not support the feature the device shall not provide the feature In addition Page 67 the maximum capacity of the device may be reduced Since a Host Protected Area may be lost if the capacity of the device is reduced when a Host Protected Area is set the DEVICE CONFIGURATION SET command shall cause the device to return command aborted The address value returned by a READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT command is modified by the DEVICE CONFIGURATION SET command modifying the maximum capacity of the device The term is allowed indicates that the device may report that a feature is supported and or enabled If a DEVICE CONFIGURATION FREEZE LOCK command has been issued since the device powered up the DEVICE CONFIGURATION SET command shall cause the device to return command aborted The settings made by a DEVICE CONFIGURATION SET command are maintained over power down and power up Example of the
115. n the Status and Error registers and increments this counter 235 Good Block Count System Block Count Transcend This attribute reports the number of good block and system block 235 Good Block Rate Adtron Page 46 The Good Block Rate attribute reports the number of available reserved blocks for spares as a percentage of the total number of reserved blocks Whenever the drive swaps a reserved block for a bad block this percentage decreases 251 Minimum Reserve Flash Block Count Number of minimal reserved block count of each flash plane 252 New Added Bad Flash Block Count Number of new added bad flash block of total flash chips 253 Abnormal Shutdown Count Reserved for maintenance 254 Total Erase Flash Block Count Number of erase flash block of all flash chips Notes Once a RAID volume is created using the Intel Matrix Storage Manager the SMART values of the hard drives can no longer be viewed by third party software utilities that read these values This is a known issue While SMART values cannot be viewed by third party software utilities they are still reported as SMART alerts by the Intel Matrix Storage Manager tray alert and the Intel Matrix Storage Console Page 47 M4 1 3 SCSI SMART Data This item is valid for SCSI devices with ASPI drivers only SCSI and Fibre Channel devices offer additional statistical informations from so called log pages For SCSI devices th
116. ncorrectable Error Enables defaults ii uci oii eoe e Eee ccc sec tri e eere rds 83 Page iii TUE ISA SS LL d RRRRRRRERRRERERENRRRRRRRRRRRRRERRRREES 84 KUL dicii de iod pal Cra aru irem cade e lou E awa EE bid ula gi cM Ep 84 TUNER 84 MISA 7 Read Cache OCI GNC E 86 UI AES ETERNI ERREUR 96 PERRA UMOR ran EORR 86 DEST SOP CE RESTI CORO RCM 87 Most Protected Area VIDEA ature BOR banca ide uic riu a ise oa dao ad 87 MOTA ERTE BUFFER CONDIT a 87 TSS PEJO DEPP De HH c iuit eiie secco it ida i neil ela asses ia CO wd addet 87 DL 070 0 Eee 87 M31415 DOWNLOAD MICROCODE etica sete bbb Ecos pes iss ea 87 RIEN NOUS EIE OE a TN CERNERET 92 SevGi HUMD 92 22 Meia Pase Throush Command Da aged etia a a CL LRL 92 AI ry OE tigress coli oda cao Cac ui but 93 Mild Io RN ae a arg ie uu EE EE M13 1 38 URG bit for READ STR
117. nd function Bus Device Function identification number of manufacturer Vendor ID and host device Device ID name of manufacturer if is known I O port addresses system interrupt IRQ and PCI interrupt from INT A to INT D Bus Master support On these PCI host devices will be detected PCI devices When it was no device found it appears No PCI devices found 2 7 Detection of PCI AHCI Advanced Host Controller Interface AHCI Page 15 The Advanced Host Controller Interface AHCI is an application programming interface defined by Intel which defines the operation of Serial ATA host bus adapters The specification describes a system memory structure for computer hardware vendors to exchange data between host system memory and attached storage devices AHCI gives software developers and hardware designers a standard method for detecting configuring and programming SATA AHCI adapters By PCI AHCI detection will be detect AHCI controller 2 8 Detection of ATA ATAPI on board It is perform detection of devices on primary 1FOh and secondary 170h channel tertiary 1E8h and quaternary 1FOh channel On every channel are detected always two devices drive O and 1 master and slave Table 2 Pre defined address Controller Addresses INT 1FOh 1F0 1F7h 3FOh 170h 170 177h 370h 15 0Fh 1E8h 1E8 1EFh 3E0h 11 alt 12 9 168h 168 16Fh 360h 11 alt 12 9 PC3000
118. ndicates that the error event occurred later in time The content of the PARAMETER VALUE field of each log parameter is ASCII data that may describe the error event The contents of the character string is not defined by any standard When the last supported parameter code is used by an error event record the recording on this log page of all subsequent error information shall cease until one or more of the list parameters with the highest parameter codes have been reinitialized M4 1 4 SCSI Self Test The SEND DIAGNOSTIC command provides a means to request that a SCSI device perform a self test Self tests other than the default self test cause an entry to be placed in the self test results log page The 20 most recent self tests are held All of these tests are non destructive Self Test types The default self test is mandatory for all device types that support the SEND DIAGNOSTIC command While the test is vendor specific defined by the manufacturer the means of requesting the test is standardized Default built in factory self test is defined by the manufacturer On completion the default self test reports any errors detected in its response The default self test makes no entry into the self test log Most SCSI devices perform a default self test when they are being powered up There are two optional types of self test aside from the mandatory default self test that may be invoked using the SELF TEST CODE field in the SEND DIAGNOS
119. ne was aborted by the application client using a Send Diagnostics command with the Self test Code field set to 100b Abort background self test 02h The self test routine was aborted by an application client using a method other than a Send Diagnostics command with the Self test Code field set to 100b e g by a task management function by a reset or by issuing an exception command 03h An unknown error occurred while the device server was executing the self test routine and the device server was unable to complete the self test routine The self test completed with a failure in a test segment and the test segment that failed is not known 07h 07h Another segment of the self test failed Timestamp This field contains the total accumulated power on hours of the device server at the time the self test operation was completed If the test is still in progress the content of this field is O If the power on hours for the device server at the time the self test operation was completed is greater than FFFFh the content of this field is FFFFh Sense Key This field may contain a hierarchy of additional information relating to error or exception conditions that occurred during the self test represented in the same format used by the sense data Additional Sense Code ASC This field may contain a hierarchy of additional information relating to error or exception conditions that occurred during the self test represented in
120. ng SRB the adapter received a MESSAGE REJECT OEh A bus reset was detected OFh A parity error was detected Possible data corruption on SCSI bus 10h The adapter failed in issuing REQUEST SENSE 11h Selection timeout 12h Data overrun underrun data length The amount of data requested does not match the amount of data returned 13h Unexpected bus free SCSI bus went to bus free state unexpectedly Target disconnected from the bus without notice Check for bad hardware 14h Target bus phase sequence failure 1Ah Bad SGList 1Bh Auto request sense failed Request sense command on previous command that generated a check condition has failed An attempt to start an auto request packet failed Another auto request packet may already be in transport 20h HBA hardware error Check the adapter and cabling Be sure that the host adapter is firmly seated in the slot The host adapter might be malfunctioning contact the host adapter manufacturer for assistance 21h Target didn t respond to ATN reset Page 115 22h SCSI bus reset by HBA 23h SCSI bus reset by other device ASPI Target Error Messages 00 Status good no target status 02h Check condition sense data valid 04h Condition met 08h Specified target LUN is busy 10h Intermediate 14h Intermediate condition met 18h Reservation conflict 22h Command terminated 28h Queue full ASPI Command SRB Error Messages SCSI Request Block SRB
121. ng definitions are implemented by the drive These operating definition values are specified in the Change Definition command The Device Identification page 83h provides the means to retrieve zero or more identification descriptors applying to the logical unit Logical units may have more than one identification Page 23 descriptor e g if several types or associations of identifier are supported Device identifiers if any shall be assigned to the peripheral device e g a disk drive and not to the currently mounted media in the case of removable media devices Operating systems are expected to use the device identifiers during system configuration activities to determine whether alternate paths exist for the same peripheral device Table 5 Seagate VPD Pages Page Descipion 1 1 O Jumper Settings D1 D4h Vendor specific M3 5 Table of Contents TOC PMA ATIP This option is valid only for ATAPI or SCSI device type of CD ROM For SCSI devices only in case with loaded ASPI driver M3 6 Get Configuration This option is valid only for ATAPI device type of CD ROM The GET CONFIGURATION command provides information about the Logical Unit capabilities both current and potential It returns supported features set of commands pages and behavior that may be implemented and profile list collections of features and provide a methods to quickly determine the Logical Unit s type Table 6 List of profiles
122. not be reported to the host Instead error locations may be logged for future reallocation If the device is powered down before the off line scan is completed the off line scan shall resume when the device is again powered up From power up the resumption of the scan shall be delayed the time indicated in the Selective self test pending time field in the Selective self test log During this delay time the pending flag shall be set to one and the active flag shall be set to zero in the Selective self test log Once the time expires the active flag shall be set to one and the off line scan shall resume When the entire media has been scanned the off line scan shall terminate both the pending and active flags shall be cleared to zero and the off line data collection status in the SMART READ DATA response shall be set to 02h indicating completion During execution of the Selective self test the self test executions time byte in the Device SMART Data Structure may be updated but the accuracy may not be exact because of the nature of the test span segments For this reason the time to complete off line testing and the self test polling times are not valid Progress through the test spans is indicated in the selective self test log A hardware or software reset shall abort the Selective self test except when the pending bit is set to one in the Selective self test log The receipt of a SMART EXECUTE OFF LINE IMMEDIATE command with OFh Abort off line
123. nvironment when SFF 8035 was placed in the public domain SCSI drives incorporate a different industry standard specification as defined in the Page 28 ANSI SCSI Informational Exception Control IEC document X3T10 94 190 Seagate s SMART System program includes both industry standards thereby making SMART technology available for both products with either ATA or SCSI interfaces The SMART system technology of attributes and thresholds is similar in ATA IDE and SCSI environments but the reporting of information differs In an ATA environment software on the host interprets the alarm signal from the drive generated by the report status command of SMART The host polls the drive on a regular basis to check the status of this command and if it signals imminent failure sends an alarm to the end user or system administrator This allows downtime to be scheduled by the system administrator to allow for backup of data and replacement of the drive This structure also allows for future enhancements which might allow reporting of information other than drive conditions such as thermal alarms CD ROM tape or other I O reporting The host system can evaluate the attributes and alarms reported in addition to the report status command from the disc Generally speaking SCSI drives with reliability prediction capability only communicate a reliability condition as either good or failing In a SCSI environment the failure decision o
124. of start stop cycles of hard drive Decreasing of value to threshold means exhausted lifetime of drive MTBF Mean Time Between Failures New models of Maxtor use Attribute 9 to store the power on disk lifetime in minutes rather than hours Some models of Fujitsu disks use Attribute 9 to store the power on disk lifetime in seconds 10 Spin Up Retry Count Page 36 Indicates number of times disk was unable to spin platters up on first attempt lower values mean more retries Count of retry of drive spindle spins start attempts The raw value indicates amount of retries Number of attempts to start a spindle of disk If the HDD cannot start its spindle on the first try to make HDD work it makes another try and so on while the spindle will not rotate normally This attribute stores a count of start retries Count of retry of spin start attempts This attribute stores a total count of the spin start attempts to reach the fully operational speed under the condition that the first attempt was unsuccessful A decrease of this attribute value is a sign of problems in the hard disk mechanical subsystem 11 Calibration Retry Count Recalibration Retries Count Indicates number of times recalibration was requested Low value multiple recalibrations usually indicates some head positioning problem Number of attempts to calibrate a drive Calibration is the act of repositioning the drive read write head to cylinder O This value
125. og Sense command is performed the binary value specified the temperature of the device in degrees Celsius Temperatures equal to or less than zero degrees Celsius is indicated by a value of zero If the device server is unable to detect a valid temperature because of a sensor failure or other condition the value returned is FFh 255 The temperature should be reported with an accuracy of plus or minus three Celsius degrees while the device is operating at a steady state within the environmental limits specified for the drive No comparison is performed between the temperature value and the reference temperature A reference temperature for the drive may optionally be provided by the drive using parameter code 0001h If no reference temperature is provided the parameter may not be provided in the log page or alternatively the reference temperature value may be set to the value of FFh The one byte binary value reflects the maximum reported sensor temperature in degrees Celsius at which the drive will operate continuously without degrading the drive s operation or reliability outside the limits specified by the manufacturer of the drive The reference temperature may change for vendor specific reasons Write Read and Verify Error Counter pages Parameter codes 00 through O6h specify six counters each for write read and verify errors 18 counters A description of the type category of error counters specified by codes 00h through O6h are desc
126. ogram cannot continue with error message you can try start program with this switch HDAT2 program will produce detect screens with useful informations about PC and connected devices When some error message appears and program is halted you can send me this LOG file for finding where is a problem Output device is identical with device where program is loaded from e g program was loaded from diskette A output log shall be written to diskette A M Mono display mode Default disabled Useable for monochrome monitor only O Change output path Default current directory usable for FAT only Syntax O drive M dir M With this option you set your own device and directory for output files P Pause the detect screen Default disabled If parameter enabled and detect output screen is full sounds a beep and is waiting for user request to press any key Pressing any key will be program continuing to run until screen is full again Except the key ESC pressing this key shall disable setting of this parameter and detection will continue without pause S Silent mode no sound Default disabled Disable all beeps NoSound Any time you can press CTRL S to enable or disable this parameter T x y Detect timeout Default x 5 y 1 Syntax T x y X number of seconds y cycle count W Wake Spin up the drive PUIS Default disabled Page 11 Power up in standby PUIS or Power Management 2 mode PM2
127. ollects operational information and stores these statistics as og data Log data are grouped by category into og pages The LOG SENSE command allows an initiator to retrieve the stored log data The LOG SENSE command is a complementary command to the LOG SELECT command Each log page contains one or more pieces of information Each piece of information is referred to as a parameter There are two types of parameters values and lists In general error and performance counters are reported as values Log Sense data pages require special interpretation and also are subject to change Table 7 Log Page codes Supported Log Pages Buffer Over Run Under Run Write Error Counter O 1 1 1 Write Error Counter Read Error Counter Page 25 i9h General Statistics and Performance iah Power Condition Transitions Table 8 Quantum Log Sense Pages 31h 36h taryWamingSysem EWS 37h Seek Performance Summary 38h Events Counter o 39h Bad Block Replacement Summary 3an Disk Error Recovery Countes 3b 3bh ECC Counters and Sumay 3th CCOnTheFly O O oS Table 9 Vendor Log Sense Pages p SMART Attitude Seagate Performance Counters Hitachi 37h statistics Seagate 38h SMART Data Fujitsu 3Eh Factory
128. onal and vendor specific If the device does not support this subcommand if SMART is disabled or if the values in the registers are invalid an Aborted command error is posted M4 5 SMART Command Transport SCT Menu The SCT Command Transport provides a method for a host to send commands and data to a device and for a device to send data and status to a host using logs Log Address EOh SCT Command Status is used to issue commands and return status Log Address Eih SCT Data Transfer is used to transport data The commands that are available Long Sector Access Read Write Long LBA Segment Access Write Same Write All Error Recovery Control CCTL TLER Feature Control Data Table command For more information about SCT see http www t13 org M4 5 1 Error Recovery Control ERC Menu Command Completion Time Limit CCTL Samsung Hitachi Time Limited Error Recovery TLER Western Digital Limits the time for error recovery in READ and WRITE commands The Error Recovery Control command can be used to set time limits for read and write error recovery For nonqueued commands these timers apply to command completion at the host interface For queued commands where in order data delivery is enabled these timers begin Page 61 counting when the device begins to execute the command not when the command is sent to the device These timers do not apply to streaming commands or to
129. or information shall be vendor specific Page 57 State shall contain a value indicating the state of the device when command was written to the Command register or the reset occurred as described Sleep indicates the reset for which the error is being reported was received when the device was in the Sleep mode Standby indicates the command or reset for which the error is being reported was received when the device was in the Standby mode Active Idle with BSY cleared to zero indicates the command or reset for which the error is being reported was received when the device was in the Active or Idle mode and BSY was cleared to zero Executing SMART off line or self test indicates the command or reset for which the error is being reported was received when the device was in the process of executing a SMART off line or self test Life timestamp shall contain the power on lifetime of the device in hours when command completion occurred SMART Error log is a list of errors detected by SMART during the disk s life M4 3 3 Comprehensive Error Log The comprehensive error log data structures shall include UNC errors IDNF errors for which the address requested was valid servo errors write fault errors etc Comprehensive error log data structures shall not include errors attributed to the receipt of faulty commands such as command codes not supported by the device or requests with invalid parameters or invalid addresse
130. or log data structures shall Page 58 not include errors attributed to the receipt of faulty commands such as command codes not implemented by the device or requests with invalid parameters or invalid addresses The maximum size of the Extended Comprehensive SMART error log is 65 536 sectors Devices may support fewer than 65 535 sectors All 28 bit entries contained in the Comprehensive SMART log shall also be included in the Extended Comprehensive SMART error log with the 48 bit entries The contents of word registers Bits 7 0 refer to the contents if the register were read with bit 7 of the Device Control register cleared to zero Bits 15 8 refer to the contents if the register were read with bit 7 of the Device Control register set to one Command data structure contains data when the command register was written Error data structure contains data after command completion occurred M4 3 5 Self Test Log The ATA 5 standard added an ATA error log and commands to run disk self tests to the SMART command set The SMART self test log sector supports 28 bit addressing only Self test log contains results of the last 21 self tests The Lifetime column in this log shows the power on age in hours of the disk when the self test was run If a self test finds an error the Logical Block Address LBA in Failing LBA column shows where the error occurred on the disk The Remain column shows the percentage of the self test rema
131. ost Protected Area HPA feature set A reserved area for data storage outside the normal operating system file system is required for several specialized applications Systems may wish to store configuration data or save memory to the device in a location that the operating systems cannot change The optional Host Protected Area feature set allows a portion of the device to be reserved for such an area when the device is initially configured Page 77 A device that implements the Host Protected Area feature set shall implement the following minimum set of commands READ NATIVE MAX ADDRESS SET MAX ADDRESS A device that implements the Host Protected Area feature set and supports the 48 bit Address feature set shall implement the following additional set of commands READ NATIVE MAX ADDRESS EXT SET MAX ADDRESS EXT Devices supporting this feature set shall set bit 10 of word 82 to one in the data returned by the IDENTIFY DEVICE or IDENTIFY PACKET DEVICE command The READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT command allows the host to determine the maximum native address space of the device even when a protected area has been allocated The SET MAX ADDRESS or SET MAX ADDRESS EXT command allows the host to redefine the maximum address of the user accessible address space That is when the SET MAX ADDRESS or SET MAX ADDRESS EXT command is issued with a maximum address less than the native maximum address the device
132. r the ATA IDE environment SFF 8035 to the Small Form Factor Committee on May 12 1995 Seagate quickly recognized that reliability prediction technology offered tremendous benefits to customers and researched the possibility of making a version available to other system OEMs integrators and independent software vendors Conner IBM Quantum and Western Digital joined Seagate in the development of this new version appropriately named SMART which combines conceptual elements of Compaq s IntelliSafe and IBM s PFA Features of SMART technology include a series of attributes or diagnostics chosen specifically for each individual drive model Attribute individualism is important because drive architectures vary from model to model Attributes and thresholds that detect failure for one model may not be functional for another model Comparing different models of car s helps illustrate this point Some cars are equipped with four wheel drive but others like a Cadillac are not In other words the architecture of the drive will determine which attributes to measure and which thresholds to employ Although not all failures will be predicted we can expect an evolution of SMART as technology and experience sharpen our ability to predict reliability Subsequent changes to attributes and thresholds will also occur as field experience allows improvements to the prediction technology The two SMART specifications ATA SCSI SMART emerged for the ATA IDE e
133. r with so called re detect from main menu are detected some PCs resources 2 1 Detection of BIOS Program detects some BIOS functions via Desktop Management Interface DMI interface 2 1 1 Detection of system BIOS BIOS Basic Input Output System AMI Award Phoenix Compaq IBM Quadtel Acer Dell SystemSoft Toshiba Detection of type BIOS version date revision model sub model not for all BIOS Some BIOS features 2 1 2 Detection of PnP BIOS PnP Plug and Play Used standard Compaq Phoenix Intel Plug and Play BIOS Specification v1 0A 05 05 1994 Versions CS DS entry points 2 1 3 Detection of BIOS32 BIOS32 BIOS32 Service Directory The new service will provide information about those services in the BIOS that designed for callers running in a 32 bit code segment The BIOS32 Service Directory will itself be a 32 bit BIOS service The expected clients of this service are 32 bit operating systems and 32 bit device drivers The expected providers of this service are BIOS vendors that implement one or more 32 bit BIOS services The BIOS32 Service Directory proposal came into being during the attempts to establish a 32 bit code interface for the Peripheral Component Interconnect PCI standard The BIOS32 Service Directory proposal came into being during the attempts to establish a 32 bit code interface for the Peripheral Component Interconnect PCI standard Used standard Standard BIOS 32 bit Service
134. rd ATA specification The standard uses a dual password structure featuring a User and Master password and defines Master Password Capability High and Maximum The Master Password Capability known as Security Level indicates whether or not the Master password may be used to unlock the device In High mode the Master password can be used to unlock a protected hard drive and reset the User password By contrast in Maximum mode the Master password can only be used to reformat the hard drive and reset security options for the newly formatted drive In the Maximum mode the Master password cannot be used to change the User password without first reformatting the hard drive This protects against unauthorized access to hard drive by the owner of the Master password In both security modes if both passwords are lost the hard drive is rendered permanently unusable The decision to implement only the High mode was made to eliminate risk of data loss in the event only the User password is lost When the manufacturer ships the device the state of the Security Mode feature shall be disabled The initial master password value is not defined by ATA standard In High security mode one can unlock the disk with either the user or master password by using the SECURITY UNLOCK DEVICE ATA command Also in High security mode the SECURITY ERASE UNIT command can be used with either the User or Master password In Maximum security mode one can not unlock the dis
135. restrictions on changing of bits If a user attempts to change maximum LBA address SET or RESTORE after establishing a protected area with SET MAX address the device will abort that command If the user attempts to disable Security feature when the device is enabled and the Security feature is set the device will abort that command The command will be abort if the device does not support this command if a DEVICE CONFIGURATION SET command has already modified the original settings as reported by a DEVICE CONFIGURATION IDENTIFY command if DEVICE CONFIGURATION FREEZE LOCK is set if any of the bit modification restrictions described bellow are violated or if a Host Protected Area has been established by the execution of a SET MAX ADDRESS or SET MAX ADDRESS EXT command or if an attempt was made to modify a mode or feature that cannot be modified with the device in its current state Maximum LBA sectors restrictions Modifying the maximum LBA of the device also modifies the address value returned by a READ NATIVE MAX ADDRESS or READ NATIVE MAX ADDRESS EXT command This shall be the highest address accepted by the device after execution of the command When this value is changed the content of IDENTIFY DEVICE data words shall be changed as described in the SET MAX ADDRESS and SET MAX ADDRESS EXT command descriptions to reflect the maximum address set with this command This value shall not be changed and command aborted shall be returned if a
136. ribed following Parameter Code OOh Error Corrected Without Substantial Delay An error correction was applied to get perfect data a k a ECC on the fly Without Substantial Delay means the correction did not postpone reading of later sectors e g a revolution was not lost The Page 48 counter is incremented once for each logical block that requires correction Two different blocks corrected during the same command are counted as two events Parameter Code O1h Error Corrected with Possible Delays An error code or algorithm e g ECC checksum is applied in order to get perfect data with substantial delay With possible delay means the correction took longer than a sector time so that reading writing of subsequent sectors was delayed e g a lost revolution The counter is incremented once for each logical block that requires correction A block with a double error that is correctable counts as one event and two different blocks corrected during the same command count as two events Parameter Code 02h Total e g re writes or re reads This parameter code specifies the counter counting the number of errors that are corrected by applying retries This counts errors recovered not the number of retries If five retries were required to recover one block of data the counter increments by one not five The counter is incremented once for each logical block that is recovered using retries If an error is not recovera
137. riding on an air bearing If a drive is used at too high an altitude the air will become too thin to support the heads at their proper operating height and failure will result special industrial drives that truly are sealed from the outside are made for these special applications Some modern drives include sensors that monitor the flying height of the heads and signal a warning if the parameter falls out of the acceptable range 240 Transfer Error Rate Fujitsu If the device receives the reset during transferring the data the transfer error is counted up 250 Read Error Retry Rate Indicates a rate at which read retries is requested Lower values indicate that there is a problem with either disk surface or read write heads Frequency of errors appearance while reading data from a disk 254 Free Fall Protection Number of Free Fall Events detected Table 12 SMART attributes for SSD only ID hex Description 0 00h Invalid attribute identifier not in use Cd Uncorrectable Bit Errors 200 C8h Total Count of Read Commands Used Reserved Block Count Page 43 Program Fail Count Erase Fail Count 203 Total Count of Read Sectors with Correctable Bit Errors Wear Leveling Count Remaining Drive Life in 9o by Erase Count 232 E8h Firmware Version Information Endurance Remaining Available Reserved Space 233 E9h ECC Fail Record Media Wearout Indicator Unco
138. rip the SMART which can predicts failure SECURITY ERASE UNIT allow erase the entire LBA space even if the device was made smaller through SET MAX or DCO SET It will erase HPA Host Protected Area or DCO Device Configuration Overlay areas if any as well But don t remove these areas In addition many desktop system BIOS automatically issue a SECURITY FREEZE LOCK command at power on which prevents the ERASE commands from functioning for fear that they might be exploited or intitiated by malware or viruses Even if they are not locked out the ERASE commands do not work under native SATA AHCI and or RAID modes meaning that if you are using SATA drives the host adapter must be reconfigured to legacy or IDE mode and only the first 4 attached drives are supported They also do not work over non ATA interfaces such as USB or FireWire Also if the power goes out before the ERASE UNIT is finished it can take several hours on larger drives the drive will remain password locked and unusable until you unlock it Once unlocked any data not overwritten can potentially be recovered unless the ERASE operation is repeated and run to completion In the mean time the drive will appear to be in a locked and unusable state which will cause many people even experienced technicians who might subsequently attempt to use the drive to believe that the drive is defective See Technical Proposal on ATA Secure Erase about ATA Secure Erase and DoD government
139. rive s defect list Prior to issuing this command the host should issue the Read Defect List Length command The defect list length is a fixed value for each Quantum Maxtor product and can be calculated as follows Length in sectors max number of defects 8 4 511 512 If value in column Sector is equal to FFFFFFFFh 1 that indicate a bad track entries it appears a text BAD TRACK Unfortunately I do not have detailed description to explain this obtained data M10 2 Read Configuration The READ CONFIGURATION command displays configuration of the drive Like the SET CONFIGURATION command this command is secured to prevent accidentally accessing it When bit is set to one it displays YES contrary NO We got the following data DisCache Parameters Page 81 Error Recovery Parameters Device Parameters M10 2 1 DisCache Parameters PE Prefetch Enable default bit 1 When set to one this bit indicates the drive will perform prefetching A PE bit set to zero indicates that no prefetching will occur The CE bit must be set to one to enable use of the PE bit CE Cache Enable default bit 1 When set to one this bit indicates that the drive will activate caching on all READ commands With the CE bit set to zero the drive will disable caching and use the RAM only as a transfer buffer M10 2 2 Error Recovery Parameters AWRE Automatic Write Reallocation enabled default bit 1 When se
140. roller Maxtor Maximum FHC Fly Height Controller Maxtor Temperature Difference from 100 Seagate Shock Sense WDC Power Off Retract Count Emergency Retract Cycle Count Fujitsu WDC Load Unload Cycle Count ECC On The Fly Count Fujitsu WDC WE OO Re allocated Sector Event cures Fendi oe eunt s Current Current Pending Sectors Count Ultra DMA CRC Error Rate Write Error Rate Write Error Count Page 33 wMulti Zone Error Rate WDC Soft Read Error Rate Off Track Errors Count Maxtor Detected TA Count Fujitsu pe oe pT O TA Increase Count Fujitsu ECC Errors DES crc NN Shock Count Write Opern Fujitsu LE 405i NN Shock Rate Write FIRE HEIOEE ee i M Fujitsu Flying Height Height Vibration During Read Spin Running Current Hitachi 220 Disk Shit eee Shock Sense Error Rate iano 222 Loaded Hours O Transfer Error Rate Fujitsu Total LBA Reads IBM Read Error Retry Rate 254 FEh G Sensor Error Rate Count Free Fall Protection Seagate Description of some attributes 1 Raw Read Error Rate Raw read error is very hard to interpret This attribute value depends of read errors disk surface condition and indicates the rate of hardware read errors that occurred when reading data from a disk surface Lower values indicate that there is a problem with either disk surface or read write heads Frequency
141. rrect reading or contrary DATA LOSS It executes reading with writing and should not come to data loss with these exceptions overwriting of bad sectors power failure or shutdown of PCs 4 2 8 ReadWriteRead TEST Test ReadWriteRead execute reading sectors writing sectors and new reading after writing Into sectors is writing the content of sectors from buffer filled at reading before To reading of sectors is used the same method like at test ReadReadCompare selected sector is reading twice in two different but during test same memory buffers INDICATION W R W R USAGE With concurrent reading and writing can be detected controller error shift of data at writing or at reading bad cache memory of device found CRC bad sectors will be repaired with consecutive writing good writing with incorrect reading or contrary DATA LOSS It executes reading with writing and should not come to data loss with these exceptions overwriting of bad sectors power failure or shutdown of PCs 4 2 9 ReadWriteReadCompare TEST Test ReadWriteReadCompare powerful execute reading sectors writing sectors new reading after writing and comparing their contents Into sectors is writing the content of sectors from buffer filled at reading before To reading of sectors is used the same method like at test ReadReadCompare selected sector is reading twice in two different but during test same memory buffers INDICATION W R W R C
142. rrectable ECC Count Good Block Rate Description of some SSD SMART attributes Apacer 229 232 234 235 Adtron 130 232 235 Delkin 175 183 Indilinx 199 205 209 Intel 192 225 232 233 STEC 100 103 170 174 Transcend 184 195 208 229 232 235 Many SMART attributes that are used with hard disk drives i e all of those that are related to the mechanical nature of a HDD such as such as Seek Error Rate Spin up time etc are not relevant for solid state drives Drive degradation and potential causes of failures within solid state drives are related to the wear out of the flash blocks inside the drive 100 Erase Program Cycles Count of erase program cycles for entire card 103 Translation Table Rebuild Power backup fault or internal error resulting in loss of system unit tables 130 Minimum Spares Minimum Spares the number of spare blocks remaining as a value from 1 to 100 Page 44 Specifies the number of spare blocks remaining as a percentage of the spare blocks in the worst wear leveling zone 170 Reserved Block Count Number of reserved spares for bad block handling 171 Program Fail Count Count of flash program failures 172 Erase Fail Count Count of flash erase command failures 173 177 203 Wear Leveling Count Worst case erase count The NAND flash devices are limited by a certain number of write cycles When using a FAT based file system frequent FAT table updates ar
143. rts the WRITE DMA QUEUED FUA EXT command ATA ATAPI 7 M13 1 37 World Wide Name If bit 8 of word 84 is set to one the device supports a world wide name ATA ATAPI 7 WWN World Wide Name This is a 64 bit worldwide unique name based upon a company s IEEE identifier see IDENTIFY DEVICE Words 108 111 The company s IEEE unique identifier shall be assigned by the IEEE RAC IEEE Registration Authority Committee as specified by ISO IEC 13213 1994 see Operating Procedures M13 1 38 URG bit for READ STREAM DMA EXT commands If bit 9 of word 84 is set to one the device supports the URG bit for READ STREAM DMA EXT and READ STREAM EXT commands The Urgent bit URG in the READ STREAM and WRITE STREAM commands specifies that the command should be completed in the minimum possible time by the device and shall be completed within the specified Command Completion Time Limit Page 93 URG specifies an urgent transfer request M13 1 39 URG bit for WRITE STREAM DMA EXT commands If bit 10 of word 84 is set to one the device supports the Urgent bit URG for WRITE STREAM DMA EXT and WRITE STREAM EXT commands M13 1 40 Time Limited Commands TLC feature set If bit 11 of word 84 is set to one the device supports the Time Limited Read Write feature set ATA ATAPI 7 If bit 11 of word 84 is set to zero the device is working in normal PC mode The purpose of the Time Limited Read Write feature set is to define a mode o
144. s The SMART Comprehensive error log provides logging for 28 bit addressing only For 48 bit addressing see SMART Extended Comprehensive error log The maximum size of the SMART comprehensive error log shall be 51 sectors Devices may support fewer than 51 sectors The value of the error log version byte shall be set to 01 The error log index indicates the error log data structure representing the most recent error If there have been no error log entries the error log index is set to zero Valid values for the error log index are zero to 255 Unused error log data structures shall be filled with zeros The error log is viewed as a circular buffer The device may support from two to 51 error log sectors When the last supported error log sector has been filled the next error shall create an error log data structure that replaces the first error log data structure in sector zero The next error after that shall create an error log data structure that replaces the second error log data structure in sector zero The sixth error after the log has filled shall replace the first error log data structure in sector one and so on The other entries are defined like for Summary Error Log M4 3 4 Extended Comprehensive Error Log For devices implementing the General Purpose Logging feature set only Error log data structures shall include UNC errors IDNF errors for which the address requested was valid servo errors write fault errors etc Err
145. s you can select search object string default empty sector non empty sector String With key S you can set string in ASCII writeable characters or you can enter hexadecimal code for special character key H along with the ALT key In parameters menu you can set search parameters case or non case sensitive searching string type is ASCII or UNICODE exact location of string in sector E g You want search any sector with boot signature 55AAh only You know that this boot signature is on the last two byte positions in sector 510 and 511 In parameters menu you set 1 case sensitive option to YES 2 string type to ASCII 3 position in sector to 510 In sector view press a key S then ALT H type 55 and just press a key F7 to run search Page 96 Empty sector With this option program will search for sector filled with binary zeroes OOh Non empty sector This option is opposite to searching for empty sector With this option program will search for sector which contains any data not only binary zeroes OOh M13 3 ATA Commands There is set of an ATA commands For detailed information about ATA commands see http www t13 org M13 4 SATA Commands At present is there only one SATA command M13 4 1 Reset SATA log 11h This Counter Reset Mechanism uses the READ LOG EXT command When the device receives a READ LOG EXT command for log page 11h with value in the Fe
146. s WCE Write Cache Enable default 1 When this bit is set to one the Quantum Maxtor ATA hard disk drives enable the Write Cache This indicates that the drive returns GOOD status for a write command after successfully receiving the data but before data is written to the disk A value of zero indicates that the drive returns GOOD status for a write command after successfully receiving the data and written to the disk If the next command is another WRITE command cached data continues to be written to the disk while new data is added to the buffer RUEE Reallocate Uncorrectable Error Enables default 1 When set to one this bit indicates that the Quantum Maxtor ATA hard disk drives will automatically reallocate uncorrectable hard errors if the ARR bit is set to one Page 83 M11 Dump Save Menu This menu contains items for saving some informations M11 1 Save DEBUG Data If you have a trouble with some device you can save all reasonable data informations about selected device into file and send me to analyze In this case you should do an option Save Detect Data also With this option are saving following informations 256 words from IDENTIFY DEVICE or IDENTIFY DEVICE PACKET DPT DPTE tables from Extended INT13h SMART threshold data some log pages Device Configuration Overlay data Native Max Address data SCSI inquiry data mode sense pages log sense pages ASPI table Program does not save any
147. s Code This parameter is valid only for functions ReadECC and WriteECC 4 23 Fill write buffer Values HDAT or any ASCII character Default HDAT With used function WRITE using e g on bad sectors repair will be sector overwritten with preallocated write buffer This parameter determines contents of this buffer E g with value HDAT and on bad sectors repair you can search a string HDAT in files and find out which file is corrupted with any bad sector or not 4 24 Insert date time stamp Values enabled disabled Default enabled With used function WRITE using e g on bad sectors repair will insert into write buffer time stamp date time of write This is useful View Search mode you can find a time when user wiped your hard drive or some sectors only 4 25 Set K prefix value Values 1000 1024 Default 1000 The setting of the prefix to define amounts of storage space E g 1 KB 1 MB 1000 bytes or 1024 bytes 1000 KB or 1024 KB etc 4 26 Addressing mode Values 24 bits 28 bits 48 bits Default selected max supported mode Page 106 4 27 Search object Values string empty sector non empty sector Default string 4 28 String case sensitive Values NO YES Default NO 4 29 String type Values ASCII UNICODE Default ASCII 4 30 String position in sector Values anywhere O length of sector 0 511 Default anywhere 4 31 Mode Sense Data values V
148. s a function or attribute of most cars that can be monitored When a car s diagnostic system senses that the oil is low an oil light comes on The driver can stop the car and save the engine In the same manner SMART allows notice to start the backup procedure and save the user s data Mechanical failures which are mainly predictable failures account for 60 percent of drive failure This number is significant because it demonstrates a great opportunity for reliability prediction technology With the emerging technology of SMART an increasing number of predictable failures will be predicted and data loss will be avoided By monitoring hard disk health you will be able to predict most of disk failures and avoid data losing How attributes are determined SMART technology is like a jigsaw puzzle it takes many pieces put together in the right way to make a pattern As previously discussed understanding failures are one piece of the puzzle Another piece of the puzzle is the way in which attributes are determined Attributes are Page 29 reliability prediction parameters customized by the manufacturer for different types of drives To determine attributes manufacturer design engineers review returned drives consider the design points and create attributes to signal the types of failures that they are seeing Information gained from field experience can be used to predict reliability exposures and over time attributes
149. s the number of reserve blocks remaining The attribute value begins at 100 64h which indicates that the reserved space is 100 percent available The threshold value for this attribute is 10 percent availability which indicates that the drive is close to its end of life Use the Normalized value for this attribute 233 ECC Fail Record Transcend This attribute reports ECC fail number row address channel and bank number of last ECC fail 233 Power On Time Adtron The Power On Time attribute indicates the total number of seconds the drive has been operational This timer starts when the drive is manufactured in production and continues whenever the drive is powered on 233 Media Wear Out Indicator Intel This attribute reports the number of cycles the NAND media has experienced The normalized value declines linearly from 100 to 1 as the average erase cycle count increases from 0 to the maximum rated cycles Once the normalized value reaches 1 the number will not decrease although it is likely that significant additional wear can be put on the device Use the Normalized value for this attribute 234 Average Erase Count Max Erase Count Transcend The average and maximum number of erase count of all the blocks 234 Uncorrectable ECC Count Adtron The Uncorrectable ECC Count attribute stores the total number of ECC errors the drive encountered but could not resolve If an uncorrectable ECC error occurs the drive returns the error i
150. se IO ports instead of PCI BIOS to access PCI bus Y x Last BIOS INT13h drive number Default x 239 EFh values 0 255 00h FFh You can set the last detected BIOS INT13h number If is used parameter x1 on exit program will be execute a reset for all connected ATA and ATAPI devices to prevent a time loop when device is waiting for end of interrupt H Help text 1 6 Notes about USB FireWire drives A lot of the non ATA interfaces adapters such as USB and FireWire usually only support a limited subset of ATA or SCSI commands the device then can converts SCSI commands into ATA commands And it is vendor specific for each controller chip So such ATA commands for read SMART data set security include password set HPA etc are possible only for some USB controllers not for all of them Page 12 Note USB adapters block most of the low level access Question I was wondering if its ever going to be possible to get the SMART info off a USB storage device Answer You could at least get some kind of condition report by removing your hard disk from its USB case connecting it to an ATA or SATA cable in a desktop then running the utility Though this ritual does not allow continuous monitoring of the USB drive it may give a clue as to its current status The same answer is for setting or removing the HPA area or security password Page 13 2 Detection of PC resources At start of program o
151. set condition is cleared by SET FEATURE command Subcommand 89h DISABLE ADDRESS OFFSET MODE Software Reset Hardware Reset or Power on Reset Upon entering offset mode the capacity of the drive returned in the IDENTIFY DEVICE data is the size of the former reserved area A subsequent SET MAX ADDRESS SET MAX ADDRESS EXT command using the address returned by READ MAX ADDRESS READ MAX ADDRESS EXT command allows access to the entire drive Addresses wrap so the entire drive remains addressable If a non volatile reserved area has not been established before the device receives a SET FEATURES ENABLE ADDRESS OFFSET MODE sub command the command fails with Abort error status Disable Address Offset Mode removes the address offset and sets the size of the drive reported by the IDENTIFY DEVICE command back to the size specified in the last non volatile SET MAX ADDRESS SET MAX ADDRESS EXT command IDENTIFY DEVICE Word 83 bit 7 indicates the device supports the Set Features Address Offset Mode IDENTIFY DEVICE Word 86 bit 7 indicates the device is in address offset mode Before Enable Address Offset Mode A reserved area has been created using a non volatile SET MAX ADDRESS command or SET MAX ADDRESS EXT command User Accessible Area Reserved Area LBA 0 LBA R LBA M After Enable Address Offset Mode The former reserved area is now the user accessible area The former user accessible area is now the reserved area User Accessible Area
152. so called false error SMART firmware report a warning but the device is good Common reason of false errors is that device has problem with power supply or in short time was exposed to crucial changes in temperature Each attribute can have a certain collection of flags types to determine his importance Pre Failure PF O1h marked with a sign It is labeled sometimes like Life Critical CR or Pre Failure warranty PW If attribute has this flag then a field threshold contains a minimal allowed value under which is not guaranteed work ability of device and increases a possibility his inactivation Indicates a pre failure condition caused by exceeded threshold where imminent loss of data is being predicated e Online Collection OC 02h Determine that value of this attribute will acquired during performing of on line SMART tests or both of tests on line off line On the contrary value of attribute will acquired only during off line tests It indicates that the value of this attribute is calculated during online test Performance Related PR 04h Determine that value of this attribute direct depend on device performance in some indicators seek throughput etc performance Usually is re establishing after execution of SMART tests It indicates degradation of performance caused by usage or age of a drive e Error Rate ER 08h Value of this attribute reflect relative error rate of given attribute raw read write see
153. t The additional sense code shall be set to DEFECT LIST NOT FOUND Some device servers may not be able to return medium defect data until after a FORMAT UNIT command has been completed successfully Medium defects Any medium has the potential for defects that cause data to be lost Therefore each logical block may contain additional information that allows the detection of changes to the user data and protection information if any caused by defects in the medium or other phenomena and may also allow the data to be reconstructed following the detection of such a change e g ECC bytes Some direct access block devices allow the application client to examine and modify the additional information by using the READ LONG commands and the WRITE LONG commands The application client may use the WRITE LONG commands to induce a defect to test the defect detection logic of the direct access block device or to emulate an unrecoverable logical block when generating a mirror copy Defects may also be detected and managed during processing of the FORMAT UNIT command The FORMAT UNIT command defines four sources of defect information the PLIST CLIST DLIST and GLIST These defects may be reassigned or avoided during the initialization process so that they do not affect any logical blocks The sources of defect location information i e defects are defined as follows Primary defect list PLIST The primary defect list PLIST is the list of defects
154. t not supported by the BIOS the drive will not be detected by the system M13 1 21 SET FEATURES subcommand required to spinup after power up If the device does not implement the SET FEATURES subcommand to spin up the device after power up and power up into Standby is enabled the device shall spin up upon receipt of the first command that requires the device to access the media M13 1 22 Address Offset Mode Reserved Area Boot This feature is described in Address Offset Reserved Area Boot INCITS TR27 2001 Page 88 Computer systems perform initial code booting by reading from a predefined address on a disk drive To allow an alternate bootable operating system to exist in a reserved area on disk drive Address Offset Feature provides a Set Feature function to temporarily offset the drive address space The offset address space wraps around so that the entire disk drive address space remains addressable in offset mode The Set Max pointer is set to the end of the reserved area to protect the data in the user area when operating in offset mode This protection can be removed by a SET MAX ADDRESS SET MAX ADDRESS EXT command to move the Set Max pointer to the end of the drive Set Feature Command Subcommand code 09h ENABLE ADDRESS OFSET MODE sub command offsets address LBA 0 Cylinder 0 Head 0 Sector 1 to the start of a non volatile reserved area established using the SET MAX ADDRESS SET MAX ADDRESS EXT command The off
155. t to one indicates that the drive will enable automatic reallocation of bad blocks Automatic Write Reallocation is similar to the function of Automatic Read Reallocation but is initiated by the drive when a defective block has become inaccessible for writing An AWRE bit set to zero indicates that the drive will not automatically reallocate bad blocks ARR Automatic Read Reallocation enabled default bit 1 When set to one indicates that the drive will enable automatic reallocation of bad blocks The drive initiates reallocation when the ARR bit is set to one and the drive encounters a hard error that is if the triple burst ECC algorithm is invoked When the ARR bit is set to zero the drive will not perform automatic reallocation of bad sectors If RC bit is one the drive ignores this bit RC Read Continuous default bit 0 When set to one this bit instructs the drive to transfer data of the requested length without adding delays to increase data integrity that is delays caused by the drive s error recovery procedures With RC set to one to maintain continuous flow of data and avoid delays the drive may send data that is erroneous When the drive ignores an error it does not post the error The RC bit set to zero indicates that potentially time consuming operations for error recovery are acceptable during data transfer EEC Enable Early Correction default bit 0 When set to one this bit indicates that the drive will use
156. tem or by the HP BIOS on the next reboot 188 Command Timeout It means number of commands were aborted because of timeout drive wasn t able to read or write properly in a reasonable time period 191 G Sense Error Rate Frequency of mistakes appearance as a result of impact loads 192 Power Off Retract Count The Power Off Retract Count attribute returns the number of times the drive has been powered off This value is one less than the Power Cycle Count attribute value Number of power off or emergency retract cycles Number of the fixed turning off drive cycles Count of fixed pictures with power off retracts of power supply of disk Unknown function on IBM drives Is possibly a count of the number of times the drive head was moved off the disk in a power down situation Fujitsu Emergency Retract Cycle Count 193 Load Unload Cycle Count Count of load unload LUL cycles for heads moving into special park zone or working position Landing Zone 194 HDA Temperature The Temperature attribute indicates the current drive HDA a hard disk assembly temperature in degrees Celsius C for drives equipped with thermal sensor Exact temperature can be obtained from the Meaning column 195 Hardware ECC Recovered Frequency of the on the fly errors Page 38 Fujitsu ECC On the Fly Count 196 Reallocation Event Count It is count of sectors reallocation Value raw indicates total count of attempts succ
157. test or the self test currently in progress shall be reported in the first self test log parameter results from the second most recent self test shall be reported in the second self test log parameter etc If fewer than 20 self tests have occurred the unused self test log parameter entries shall be zero filled All tests output the accumulated power on hours when the test was performed and the success or otherwise e g the self test was aborted by the user s request of the test Unsuccessful self tests output a self test segment number vendor specific the logical block address of the first failure if appropriate and a sense key ASC ASCQ code M4 1 6 SCSI Abort Background Self Test Command SEND DIAGNOSTIC with code for abort background self test shall abort the current self test running in background mode This is only valid if a previous SEND DIAGNOSTIC command specified a background self test function and that self test has not completed Page 52 M4 2 Routine Menu Current self tests provides for a short self test and an extended self test The short self test does read scan of a small area of the media in a short time The area of the media scanned is vendor specific The extended self test does read scan of the entire media As the capacity of disk drives increases the time to complete the extended self test becomes exceedingly long The ATA ATAPI standard defines a Selective self test that allows the read scan
158. the same format used by the sense data Additional Sense Code Qualifier ASCQ This field may contain a hierarchy of additional information relating to error or exception conditions that occurred during the self test represented in the same format used by the sense data LBA of First Failure This field contains information that helps you locate the failure on the media If the logical unit implements logical blocks the content of this field is the first logical block address where a self test error occurred This implies nothing about the quality of any other logical block on the logical unit since the testing during which the error occurred may not have been performed in a sequential manner This value does not change e g as the result of block reassignment Page 50 The content of this fields will be FFFFFFFFFFFFFFFFh if no errors occurred during the self test or if the error that occurred is not related to an identifiable media address Last n Error Events The Last n Error Events log page page code 07h provides for a number of error event records using the list parameter format of the log page The number of these error event records supported n is vendor specific Each error event record contains vendor specific diagnostic information for a single error encountered by the device The parameter code associated with error event record indicates the relative time at which the error occurred A higher parameter code i
159. the state of the Device Configuration Overlay feature set Devices always powers up with configuration freeze lock not set After a successful DEVICE CONFIGURATION FREEZE LOCK command is executed the device aborts all Device Configuration Overlay feature set commands until the device is powered down and powered up again The freeze locked state is not affected by hardware or software reset M7 5 Check DCO Structure Check DCO structure integrity checksum and show how many undefined words are set ioi HDAT2 v4 8 lt c gt 2616 CBL 25 06 2010 13 07 36 074 DCO Check DCO structure FUJITSU MHY220 BH 1 Data structure revision Integrity checksum reported D6h should be D6hl Integrity signature reported ASh should be fibhl Revision 6662h is supported Reserved 1 Vendor unique Picture 2 Check DCO structure M7 6 Dump DCO This option will show 512 bytes as result from command Device Configuration Identify DCO Page 69 cx HDAT2 I HDAT2 v4 8 lt c gt 2616 25 06 2010 13 10 06 030 Dump DCO Data FUJITSU MHY2266BH 46 68 01 09 02 8080 803 8B 04 0 05 00 06 0 07 0 612345678 9ABCDEF Picture 3 Dump DCO Page 70 8 Security Menu This menu item is available only for drive which support Security Mode feature set bit 1 of word 82 Next features are described in word 128 Maximum password length is 32 characters Drive Lock is based on the industry standa
160. the task set and are being processed when power is lost e g resulting in a vendor specific command timeout by the application client or a medium error or hardware error occurs e g because a removable medium was incorrectly unmounted the data in the logical blocks being written by those commands is indeterminate When accessed by a command performing a read or verify operation e g after power on or after the removable medium is mounted the device server may return old data new data or vendor specific data in those logical blocks Before reading logical blocks which encountered such a failure an application client should reissue any commands performing write operations that were outstanding Page 110 X Messages X 1 Device Status Messages Following messages could appear on the main device menu There are two common messages UNKNOWN This message means that program cannot get any information from device or required status is undefined NOT SUPPORTED Device does not supports corresponding feature set X 1 1 SET MAX HPA NOT SUPPORTED Device does not supports Host Protected Area HPA feature set SEC NOT SUPPORTED Device does not supports SET MAX Security Extension feature set HPA IS ACTIVE Maximum LBA address count of sectors of drive is less than native maximum address it means Host Protected Area is set To restore native maximum address full capacity in SET MAX HPA menu select
161. ther several spin ups or power on hours Until that time they have the uninitialized value 253 and the worst value is larger than current attribute value Page 31 Each attribute also has a WORST value This is the smallest closest to failure value that the disk has recorded at any time during its lifetime when SMART was enabled Note however that some vendors firmware may actually increase the Worst value for some rate type attributes The TYPE of the attribute indicates if attribute failure means the device has reached the end of its design life Old age or it is an impending disk failure Pre failure For example disk spin up time ID 3 is a prefailure attribute If this or any other prefail attribute fails disk failure is imminent predicted in less than 24 hours Pre failure attributes are ones which if less than or equal to their threshold values indicate pending disk failure Old age or usage attributes are ones which indicate end of product life from old age or normal aging and wearout if the attribute value is less than or equal to the threshold The fact that an attribute is of type Pre fail does not mean that your disk is about to fail It only has this meaning if the attribute s current Normalized value is less than or equal to the threshold value If the worst recorded value is less than or equal to the threshold value then appears a message Failed in the past in red color It could occur
162. time of mechanics It takes only account of time when the heads are in working position Loading on magnetic heads actuator caused by the general operating time Only time when the actuator was in the operating position is counted 223 Load Unload Retry Count Page 41 The loads to head drive raised by many times retry of operation read write and seek of heads and the like It takes only account of time when the heads are in working position Unknown function on IBM drives Loading on magnetic heads actuator caused by numerous recurrences of operations like reading recording positioning of heads etc Only the time when heads were in the operating position is counted 224 Load Friction Loading on magnetic heads actuator caused by friction in mechanical parts of the store Only the time when heads were in the operating working position is counted 225 Load Unload Cycle Count Total of cycles of loading on drive 226 Load In Time The total loads to head drive It takes only account of time when the heads are in working position not in park zone General time of loading for drive Total time of loading on the magnetic heads actuator This attribute indicates total time in which the drive was under load on the assumption that the magnetic heads were in operating mode and out of the parking area 227 Torque Amplification Count Amount of power of drive torque moment amplifier Count of efforts of the rotat
163. troller failure 31h No media in drive INT 13h extensions no such drive Compaq 32h Incorrect drive type stored in CMOS Compaq 40h Seek failed 80h Drive not ready command failed to complete or time out 97h Subfunction D7h not supported for this device AAh Drive not ready hard disk BOh Media not locked in drive removable media Bih Media locked in drive removable media B2h Media not removable removable media B3h Media in use removable media B4h Lock count exceeded removable media B5h Valid eject request failed removable media B6h Media present but read protected removable media BBh Undefined error hard disk C3h Formatted Command Packet is too short CCh Write fault hard disk Page 114 e EOh Status register error hard disk e FEh Carry flag is set but 0 e FFh Sense operation failed hard disk Error numbers BOh B6h are applying to Extended INT13h removable media volume Error numbers 97h C3h are applying to Extended INT13h Send Packet Command Error number FEh is a user added error message If occurs error which is not listed above it will be display text Unknown error X 3 Error Messages of ASPI ASPI Host Error Messages 00h Host adapter did not detect any error 04h Command aborted by caller 05h Command aborted by HBA 09h Timed out while SRB was waiting to be processed OBh While processing SRB the adapter timed out ODh While processi
164. tructure shall contain the command or reset for which the error is being reported The fourth command data structure should contain the command or reset that preceded the command or reset for which the error is being reported the third command data structure should contain the command or reset preceding the one in the fourth command data structure etc If fewer than four commands and resets preceded the command or reset for which the error is being reported the unused command data structures shall be zero filled for example if only three commands and resets preceded the command or reset for which the error is being reported the first command data structure shall be zero filled In some devices the hardware implementation may preclude the device from reporting the commands that preceded the command for which the error is being reported or that preceded a reset In this case the command data structures are zero filled Timestamp shall be the time since power on in milliseconds when command acceptance occurred This timestamp is printed as DD HH MM SS MSC where DD days HH hours MM minutes SS seconds and MSEC milliseconds Timestamp may wrap around after 49 710 days Error Data Structure The error data structure shall contain the error description of the command for which an error was reported contents of the Error Sector Count LBA Low LBA Mid LBA High Device and Status registers after command completion occurred Extended err
165. ue to reallocation This command shall disable the device ILock mode however the Master password shall still be stored internally within the device and may be reactivated later when a new User password is set Overwritten data left in track edges is normally unreadable magnetic noise but the off track writes makes any possible coherent data in the track edges unrecoverable Note that only drive internal technology is able to accomplish an off track Secure Erase There is no standardized write off track command for any software utility to use Security erase is not a format neither low level it s an internal function of the HDD that erase the content of LBA blocks Therefore data will be unrecoverable Notes The SECURITY ERASE UNIT command does a single pass overwrite with no verify On successful completion this command shall disable Security and invalidate any existing User password Any previously valid Master password and Master Password Identifier remains valid The Master Password Capability is set to High The enhanced command also erases sectors outside the current user data area such as those reallocated by spares Command SECURITY ERASE UNIT will write to every sector which means it has to pass every sector also all of the bad sectors that it may not normally run into during normal drive operation In this case it begins the reallocation process eventually over the course of the erase it hit enough bad sectors to t
166. used for specialized applications Systems may wish to store configuration data or save memory to the hard disk drive device in a location that the operating systems cannot change HPA is generally known as Host Protected Area called Hidden Protected Area by IBM The HPA is a special area on your hard disk usually hidden to partitioning tools It includes all the software and data needed to recover the preloaded state of the notebook The HPA also includes some diagnostic tools and a MS Windows only backup tool Removing the HPA is simple to effect but may result in your not being able to access the machine s BIOS HPA is using by two technologies BEER Boot Engineering Extension Record and PARTIES Protected Area Run Time Interface Extension Services Detailed description see 48 bit Address feature set M13 1 12 WRITE BUFFER command M13 1 13 READ BUFFER command M13 1 14 NOP command M13 1 15 DOWNLOAD MICROCODE command M13 1 16 READ WRITE DMA QUEUED command M13 1 17 Compact Flash CFA feature set M13 1 18 Advanced Power Management APM feature set The Advanced Power Management APM feature set is an optional feature set that allows the host to select a power management level The power management level is specified using a scale from the lowest power consumption setting of O1h to the maximum performance level of FEh Device performance may increase with increasing power management levels Device power consumption may incr
167. ut the device may take longer to complete commands than when in the Active mode Power consumption may be reduced from that of Active mode Hint The hard disk is rotating the interface PCB is active but the read write circuit is off STANDBY In Standby mode the device is capable of responding to commands but the device may take longer to complete commands than in the Idle mode The time to respond may be as long as 30 seconds Power consumption may be reduced from that of Idle mode Hint The hard disk is not rotating but the interface PCB is active X 2 Error Messages of INT13h Ext INT13h Described error messages are valid for standard and extended interrupt INT13h 00h Successful completion Oih Invalid function or invalid parameter 02h Address mark not found 03h Disk write protected 04h Sector not found read error 05h Reset failed hard disk 06h Disk changed floppy 07h Drive parameter activity failed hard disk 08h DMA overrun 09h Data boundary error attempted DMA across 64K boundary or gt 80h sectors OAh Bad sector detected hard disk OBh Bad cylinder detected hard disk OCh Unsupported cylinder or invalid media media type not found ODh Invalid number of sectors on format PS 2 hard disk OEh Control data address mark detected hard disk OFh DMA arbitration level out of range hard disk 10h Uncorrectable CRC or ECC error on read 11h Data ECC corrected hard disk 20h Con
168. ute indicates the total number of uncorrectable errors when reading writing a sector A rise in the value of this attribute indicates that there Page 39 are evident defects of the disk surface and or there are problems in the hard disk drive mechanical subsystem Those are sectors that an offline scanning found as unreadable Offline scanning is a process that can be automatically started by the hard disk logic when a long enough idle period is detected or that can be forced by some tool Those unreadable sectors are identified and the hard disk logic is waiting for a write command that will overwrite them to try to remap them to spare sectors if available 199 Ultra DMA CRC Error Rate The UDMA CRC Error Count attribute indicates the number of sectors that encountered a CRC error Cyclic Redundancy Check while in UDMA mode Just one more method of error control in data transfer operations but for high speed transfer modes UDMA controller performs an error checking on data it receives from HDD ensuring that data was not damaged while transmitted over the cable Each time the error is detected controller requests a retransmission thus slowing down the overall transfer speed Lower values of Ultra ATA DMA CRC Error Rate correspond to higher number of errors usually indicating a cabling problem Just change your cable Value raw contain count of errors occurred in Ultra DMA transfer data mode in control sum ICRC Interfa
169. ve functions normally The raw value of this attribute indicates average time to spin up the drive spindle Raw value is a time of milliseconds or seconds 4 Start Stop Count Count of spindle start stop cycles Raw value probably shows total number of on off HDD Raw value of this attribute Raw shows on off Spindle Motors indicates total number of drive start stop cycles including both power on off switching and suspend wakeup switching This raw value of this attribute is a count of hard disk spindle start stop cycles 5 Reallocated Sectors Count Indicates amount of spare sector pool spare area available Spare sectors are used to replace reallocating remapping sectors that became bad for some reason read or write errors Value of 100 means that no sectors were remapped 1 means that spare sectors are exhausted due to multiple remaps Count of reallocated sectors When the hard drive finds a read write verification error it marks this sector as reallocated and transfers data to a special reserved area spare area This process is also known as remapping and reallocated sectors are called remaps This is why on a modern hard disks you cannot see bad blocks while testing the surface all bad blocks are hidden in reallocated sectors However the more sectors that are reallocated the more a sudden decrease up to 10 and more can be noticed in the disk read write speed The more sectors reallocated i e lower attribute
170. ven exist The drive uses replacement sectors for sectors in the G List Performance wise bad sectors being in the P List is better than being in the G List However there is no way to add to the P List without changing the LBA of every sector after the one added to the P List This is fine if you are going to zerofill afterwards but would not work on a drive with data P List primary defect list is designated for defects found during manufacturing process during execution of SelfScan routine Defects placed in the P List could be hidden by inline spare method in such way that graph of linear read verify will not produce a spike It is only possible to remap 32 sectors per each 65504 sectors The defects placed in the P List should have a record in the G List as well G List grown defect list is designated for defects created during normal use of the hard disk drive Defects are added to the list either automatically during AWRE or ARRE routines or manually using Reallocate and Reallocate Phys Super 10 commands Those defects are always hidden by remap method that is guarantee user data from damage because relationship between PBA Physical Block Address and LBA is kept the same for other sectors This type of defects will produced spike on the read verify graph In addition to the defects described the G List contains a full copy of P List The Read Defect List command is an extended AT command that enables the host to retrieve the d
171. y for standard interrupt INT13h and therefore you can use it for device capacity up to 8 4 GB only In addition this interrupt function can operate only with one sector hence it follows his slow functionality INDICATION W E USAGE Reading and eventual show of ECC codes of sectors DATA LOSS Execute read ECC codes only never come to data loss 4 2 13 WriteECC TEST Test WriteECC is writing bad CRC code into sector on device It does not execute any test This test is available only for standard interrupt INT13h and therefore you can use it for device capacity up to 8 4 GB only In addition this interrupt function can operate only with one sector hence it follows his slow functionality On new PCs it will not work because BIOS is calling a dummy function only INDICATION W E USAGE So it is possibility to create bad sectors on device up to 8 4 GB For example prepare a hard drive to claim in service department DATA LOSS All data will be loss and created forced bad sectors Page 102 4 2 14 Seek TEST Test Seek execute heads movement only It is not doing verification reading even writing of sectors For standard interrupt INT13h is doing for cylinder for extended interrupt INT13h for sectors INDICATION W S USAGE Test heads movement on whole device DATA LOSS Execute seek only never come to data loss 4 3 Direction of testing Values Forward Backward PingPong Default Forwar
172. y of the corresponding surface area is low Those are sectors that couldn t be properly read and that the hard disk logic is waiting for a write operation to try to remap to a spare sector if available A simple disk surface scan won t be enough to force the remap operation You need a read write surface scan to remap the sector The best option should be a tool that knows about what should be read from that sector so that it has some option to apply the best fix to the missing data The Current Pending Sector Count of one reflects a sector that has been marked as bad by the operating system I suspect that the drive s controller is aware that it is bad but it cannot relocate it until such time as the system writes to it thereby signalling that the data in that sector is no longer of any consequence It represents a sector that the drive has given up on but not yet been able to replace because it was not written to it The system does not factor into this 198 Off line Scan Uncorrectable Sector Count Amount of error sectors detected during the last off line scan Count of uncorrectable read write sector errors Growth of value row means worse condition of disk surface and or mechanical subsystem The Uncorrectable Errors Count attribute returns the number of uncorrectable ECC errors Error Correction Codes that occurred This counter increments if more than four bits in the affected sector are uncorrectable The raw value of this attrib
173. zero If saved values are not implemented the command shall be terminated with CHECK CONDITION status the sense key set to ILLEGAL REQUEST The method of saving parameters is vendor specific 4 32 Log Sense Data values Values Threshold Cumulative Default threshold Default cumulative Default Cumulative The page control field defines the type of parameter values to be selected An enable threshold comparison ETC bit of one indicates that when the cumulative parameter value is updated it shall be compared to the threshold parameter value and the action specified by the TMC field shall be taken An ET bit of ZERO disables this comparison The ET bit is the same for both the cumulative and threshold log parameter Thus when the ET bit is set to a value by the initiator this value is returned for both the cumulative and threshold values of the log parameter The threshold met criteria TMC field defines the binary relationship between the cumulative and threshold log parameter values under which the threshold is met Page 108 S1 SCSI Defects The READ DEFECT DATA 10 command requests that the device server transfer the medium defect data to the application client If the device server is unable to access the medium defect data it shall terminate the command with CHECK CONDITION status The sense key shall be set to either MEDIUM ERROR if a medium error occurred or NO SENSE if medium defect data does not exis

User`s Manual HDAT2 v4.8

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