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Fujitsu MAB3091 Computer Drive User Manual

1. Power cable Figure 4 23 Cables connection 16 bit SCSI model C141 E035 02EN 4 21 4 3 2 SCA2 type SCSI model MAA31xxSC MAB30xxSC MAC30xxSC 1 Connectors Figure 4 24 shows the locations of connectors and terminals on the SCA2 type SCSI model SCSI connector including power supply connector SCSI connector Figure 4 24 Connectors and terminals location of SCA2 type SCSI model 4 22 C141 E035 03EN 2 SCSI connector and power supply connector 40 SCA type SCSI The connector for the SCSI bus is an unshielded SCA 2 connector conforming to SCSI 3 type which has two 40 pin rows spaced 1 27 mm 0 05 inch apart Figure 4 25 shows the SCSI connector See Section C 5 in Appendix C for signal assignments on the connector For details on the physical electrical requirements of the interface signals refer to Sections 1 3 and 1 4 in SCSI Physical Interface Specifications 66 50 62 015 57 87 fi pee 1 27x 40 1 49 53 N SAI ANO CL ii _ ESD contact 52 00 65 36 Figure 4 25 SCA2 type SCSI connector C141 E035 03EN 72 4 3 3 Cable connector requirements Table 4 3 lists the recommended components cable connection Table 4 3 Recommended components for connection Applicable Name Par number Manufacturer Reference model Figures 4 23 and 4 28 MAx3xxxSP SCSI cable
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3. 4 16 External operator panel connector 7 4 17 16 bit SCSI ID external input nennen nennen enne nennen enne 4 18 Output signal for external LED 4 19 Cables connection 16 bit SCSI model nennen 4 21 Connectors and terminals location of SCA2 type SCSI 4 22 SCA2 type SCSI connector isis disparate 4 23 SESE cable connec iO in su ped de RH ATHE 4 25 SCSI Cabl TENIA eere ec eet eee pe be is eret 4 27 External operator panel circuit example MAx3xxxSP essere 4 28 SCSI b s connect ons sis uote t een e eroe ee eos 5 3 MAx3xxxSP setting terminals position 4 5 5 Setting terminals 5 4 nenne enne enne 5 6 Checking the SCSI connection A 5 16 Checking the SCSI connection nene emere nnne 5 17 Reyision label uet RE 6 7 Indicating revision numbers cio eee ete e ten Pete et ero mette et eet eter 6 8 Locations of connectors and setting terminals MAx3xxxSC SCA2 type 16 bit SCSI eese nennen nennen nennen 2 Locations of connectors and setting terminals MAx3xxxSP single ended type 16 bit A 3 C141 E035 03EN xiii 2 1 2 2 2 3 3 1 3 2 3 3 3 4 4 1 4 2 4 3 4 4 4 5 51 5 2 5 3 5 4 5 5 5 6 5 7 6 1 1 2
4. FUJITSU MAA3182 SERIES MAB3091 MAB3045 SERIES MAC3091 MAC3045 SERIES DISK DRIVES PRODUCT MANUAL C141 E035 03EN REVISION RECORD Nov 1997 Pages 1 2 1 5 to 1 11 2 2 to 2 5 2 7 3 2 to 3 4 3 7 to 3 10 Chapter 4 5 2 5 3 5 5 td 5 10 5 12 to 5 24 Chapter 6 Appendix A C 1 C 2 D 2 Appendix E revised Jan 1998 Pages 1 3 1 4 1 7 to 1 9 Chapter 2 3 2 to 3 4 3 6 3 10 4 4 4 5 4 7 4 8 4 10 4 11 4 14 4 22 4 23 4 27 6 2 6 3 D 2 revised Specification No C141 E035 EN The contents of this manual is subject to change without prior notice All Rights Reserved Copyright 1998 FUJITSU LIMITED C141 E035 03EN i FOR SAFE OPERATION Handling of This manual This manual contains important information for using this product Read thoroughly before using the product Use this product only after thoroughly reading and understanding especially the section Important Alert Items in this manual Keep this manual handy and keep it carefully FUJITSU makes every effort to prevent users and bystanders from being injured or from suffering damange to their property Use the product according to this manual Functional Limitations There may be certain functional limitations concerning the specifications and functions of the products covered by this manual depending on the equipment version especially concerning the following functions Versions in which there functions can be used will be comm
5. 201 195 187 180 166 156 C141 E035 03EN 1 2 3 User space The user space is a storage area for user data The data format on the user space the length of data block and the number of data blocks can be specified with the MODE SELECT or MODE SELECT EXTENDED command The default number of cylinders in the user space is 9 041 for MAA31xxxx 8 491 for MAB30xxxx and 8 691 for MAC30xxxx The user however can select the number of cylinders to be allocated in the user space by specifying 9 041 for MAA31xxxx 8 491 for MAB30xxxx and 8 691 for MAC30xxxx as the maximum and the number of alternate cylinders 1 as the minimum The user can also specify the number of logical data blocks to be placed in the user space with the MODE SELECT or MODE SELECT EXTENDED command When the number of logical data blocks is specified as many cylinders as required to place the specified data blocks are allocated in the user space A number starting with 0 is assigned to each cylinder required in the user space in ascending order If the number does not reach 9 041 MAA31xxxx 8 491 MAB30xxxx and 8 691 MAC30xxxx the rest of the cylinders will not be used Always one alternate cylinders can be established in the user space Alternate cylinders will be used for alternate blocks when primary cylinders in the user space are used up See Subsections 3 1 2 and 3 3 2 for details Internal test space The Internal test space is an area for diag
6. C141 E035 02EN 6 5 3 4 Note The average DE surface temperature means the average temperature at the DE surface throughout the year when the IDD is operating T2 C TIPC tl t2 Tlxt1 T2xt2 A DE surface t ture verage surface temperature mo Parts that can be replaced in the field The PCA cannot be replaced in the field The DE cannot be replaced in the field Service system and repairs Fujitsu has the service system and repair facility for the disk drive Contact Fujitsu representative to submit information for replacing or repairing the disk drive Generally the following information must be included a b 9 IDD model part number P N revision number serial number S N and date of manufacturing Error status e Date when the error occurred e System configuration e Environmental conditions temperature humidity and voltage Error history Error contents Outline of inconvenience Issued commands and specified parameters Sense data Other error analysis information CAUTION Save data stored on the disk drive before requesting repair Fujitsu does not assume responsibility if data is destroyed during servicing or repair C141 E035 02EN 6 2 2 1 2 See Section 5 1 for notes on packing and handling when returning the disk drive Revision numbers The revision number of the disk drive is represented with a letter and a number ind
7. Cable socket 786090 7 closed end type Power supply cable Cable socket 1 480424 0 housing External operator Cable socket FCN 723J012 2M Fujitsu Limited panel CN1 housing External operator Cable socket FCN 723J016 2M Fujitsu Limited panel CN7 housing FCN 723J G AM Fujitsu Limited eae NTE E MAx3xxxSC SCSI connector Connector 787311 1 AMP CN1 FCN 723J G AM Fujitsu Limited MP MP 1 SCSI cable All SCSI devices on one bus are daisy chained with an SCSI cable A terminating resistor must be mounted in the SCSI device at each end of the SCSI cable Because an SCSI terminating resistor module has been mounted in the IDD of single ended type SCSI at factory shipment it must be set to not connection when the IDD is not connected at either end of the SCSI cable See Section 5 3 for details The maximum number of SCSI devices that can be connected to the SCSI bus is 16 for the 16 bit SCSI including the host adapter IDD and other SCSI equipment For the 16 bit SCSI the connector for the SCSI cable must be an unshielded 68 contact socket having 34 contact rows spaced 1 27 mm 0 05 inch apart See Figure 4 26 4 24 C141 E035 02EN lt SCSI cable connector for 16 bit SCSI gt 16 bit SCSI Symbol Remarks Ce aw oe Ce oem ee es so oum e omm oam Note The tolerance is 0 127 mm 0 005 inch unless otherwise specified Figure 4 26 SCSI cable connector C
8. IS Track skew Track skew 2n 4 3n 5 1 Cylinder skew 0 Leading logical LBA Logical data block address sector in cylinder p 1 Figure 3 5 Track skew cylinder skew The number of physical sectors track skew factor and cylinder skew factor corresponding to the skew time varies depending on the logical data block length because the track skew and the cylinder skew are managed for individual sectors The IDD automatically determines appropriate values for the track skew factor and the cylinder skew factor according to the specified logical data block length The value can be read out by the MODE SENSE or MODE SENSE EXTENDED command after the track has been formatted C141 E035 02EN 3 7 3 1 4 Sector format Each sector on the track consists of an ID field a data field and a gap field which separates them Figure 3 6 gives sector format examples NS 1 De SCT LBA DATA BCRC ECC SCT 2 GI Synd NG ING m TRNG1 TRNG2 TRNG1 TRNG2 DATA SCT SBI SB2 LBA DATA I Servo SBI SB2 2 BCRC ECC SCT G1 8 bytes PLO Sync 17 bytes MAC30xxxx 20 TRNG1 SB1 5 bytes TRNG2 SB2 6 bytes PAD I 7 bytes PAD 2 8 bytes MAC30xxxx 12 PAD 3 6 bytes MAC30xxxx 12 Figure 3 6 Sector format Each sector on the track consists of the following fields 1 Gaps G1 The gap length at the time of formatting initializing is
9. 1 5 18 Checking at abnormal end a When sense data can be obtained with the REQUEST SENSE command analyze the sense data and retry recovery for a recoverable error Refer to Chapter 4 of SCSI Logical Interface Specifications for further details b Check the following items for the SCSI cable connection e connectors including other SCSI devices are connected correctly e The terminating resistor is mounted on both ends of the cable e Power is connected to the terminating resistor c Check the setting of the terminals Note that the checking procedure of SCSI connection differs depending on the setting of the motor start mode and UNIT ATTENTION report mode Formatting Since the disk drive is formatted with a specific default data format for each model part number when shipped from the factory the disk need not be formatted initialized when it is installed in the system However when the system needs data attributes different from the default format all sides of the disk must be formatted initialized according to the procedures below The user can change the following data attributes at initialization e Logical data block length e Number of logical data blocks or number of cylinders in the user space e Alternate spare area size This section outlines the formatting at installation Refer to Chapters 3 and 5 of SCSI Logical Interface Specifications for further details MODE SELECT MODE SELECT EXTENDED com
10. 1 2 Low power consumption By using highly integrated LSI components the power consumption of the IDD is very low and this enables the unit to be used in wide range of environmental conditions Low noise and low vibration Approx 4 2 bels for the IDD This makes it ideal for office use The IDD has rubber vibration isolators which minimize the transfer of vibration Microcode downloading The IDD implements the microcode download feature This feature achieves easy maintainability of the IDD and function enhancing Hardware Structure An outer view of the IDD is given in Figures 1 1 to 1 4 The IDD is composed of the disk head spindle motor hermetically sealed disk enclosure DE with actuator and air circulation filter as well as read write pre amp with the print card unit PCA of the controller Figure 1 1 MAA3IxxSC outer view C141 E035 02EN 1 5 Figure 1 2 MAA3IxxSP outer view Figure 1 3 MAB30xxSC outer view C141 E035 02EN Figure 1 4 MAB30xxSP outer view Figure 1 5 MAC30xxSC outer view Figure 1 6 MAC30xxSP outer view C141 E035 03EN 1 2 3 Disks The disks have an outer diameter of 95 mm 3 74 inch and inner diameter of 25 mm 0 98 inch The disks are good for at least 10 000 contact starts and stops Each model contains following number of disks MAA3182 10 MAB3091 MAC3091 5 MAB3045 MAC3045 3 Heads The MR Magnet Resistive of the CSS contact start stop typ
11. CN1 Connector for external operator panel SCSI connector CN1 Figure A 2 Locations of connectors and setting terminals MAXx3xxxSP single ended type 16 bit SCSI C141 E035 02EN A 3 APPENDIX SETTING TERMINALS B 1 Setting Terminals MAx3xxxSP Single ended 16 bit SCSI This appendix describes setting terminals C141 E035 01EN B 1 Setting Terminals MAx3xxxSP Single ended 16 bit SCSD Table B 1 Setting terminal CN6 MAx3xxxSP Pins Setting item Pins Setting contents Terminal power Open Does not supply terminating resistor power to SCSI supply bus terminating resistor circuit on SCSI interface Connects terminating resistor circuit 1 Note See the description in Section 5 3 for details of the setting requirements and notes B 2 C141 E035 01EN Setting item 13 14 Write protect Note Table B 2 Pins SCSI ID 0 SCSI ID 1 SCSI ID 2 SCSI ID 3 SCSI ID 4 SCSI ID 5 SCSI ID 6 SCSI ID 7 SCSI ID 8 SCSI ID 9 SCSI ID 10 SCSI ID 11 SCSI ID 12 SCSI ID 13 SCSI ID 14 Setting terminal CN7 MAx3xxxSP Setting contents Common to 8 bit and 16 bit SCSI Common to 8 bit and 16 bit SCSI Common to 8 bit and 16 bit SCSI Common to 8 bit and 16 bit SCSI Common to 8 bit and 16 bit SCSI Common to 8 bit and 16 bit SCSI Common to 8 bit and 16 bit SCSI Common to 8 bit and 16 bit SCSI 16 bit SCSI only 16 bit SCSI only 16 bit SCSI only
12. GND Power supply for the terminating resistor C141 E035 01EN C 3 APPENDIX D MODEL NAMES AND PRODUCT NUMBERS D 1 Model Names and Product Numbers This appendix lists model names types and product numbers C141 E035 01EN D D 1 Model Names and Product Numbers Table D 1 SCSI type 16 bit SE 16 bit SE 16 bit SE Data block length Total storage at factory capacity shipment user area Only above models are available currently Model name type Ultra SCSI MAA3182SP MAA3182SC MAB3091SP MAB3091SC Note MAB3045SP MAB3045SC MAC3091SP MAC3091SC MAC3045SP MAC3045SC SE Single ended MAx3xxxSC uses SCA 2 type connector Mounting screw C141 E035 03EN MAA MAB and MAC series model names and product numbers pu um des CA01682 B322 inch height 7 200 rpm 5 disks 10 heads inch height 10 000 rpm 5 disks 10 heads inch height 10 000 rpm 3 disks 5 heads CA01682 B362 APPENDIX SCSIINTERFACE FUNCTIONS E 1 SCSI interface function specifications This appendix lists the SCSI interface functions provided for the IDD Refer to the SCSI Logical Interface Specifications for details of each functions C141 E035 02EN E 1 E l SCSI interface function specifications Table E 1 SCSI interface function specifications 1 of 8 Provided x Not provided Item Specification COMMAND COMPLETE 00 SAVE DATA POINTER 02 RESTORE
13. The user must set the following terminals and SCSI terminating resistor before installing the IDD in the system e Setting terminal CN6 CN7 Figures 5 2 shows the setting terminal position of SP model Figures 5 3 shows SP models for allocation and default settings ACAUTION 1 The user must not change the setting of terminals not described in this section Do not change setting status set at factory shipment 2 Do not change the setting of terminals except following setting pins during the power is turned on e Write protect MAx3xxxSP 7 13 14 3 To short the setting terminal use the short plug attached when the device is shipped from the factory CN6 6 CNI 15 16 CN7 1 2 Figure 5 2 MAx3xxxSP setting terminals position C141 E035 02EN 5 5 CN6 4 6 3 5 Lo SCSI terminating resistor connected Motor start mode activated when power supplied Setting terminate power supplied supplied 2 1 CN7 2 4 6 8 10 12 14 16 ONO OJO O 13 57 9 11 13 15 L LED signal Write protect enabled IDD Reset signal Spindle Sync Pulse signal SCSI ID 15 Figure 5 3 Setting terminals MAx3xxxSP 5 6 C141 E035 02EN 5 3 1 SCSI ID setting 1 SCA type 16 bit SCSI model MAx3xxxSC There is no SCSI I
14. by CHANGE DEFINITION command eee 5 10 Setting check list MAx3xxxSP run ia enne retener enne nenne 5 11 Self diagnostic functions sisal e resonans 6 1 Setting terminal CN6 5 ono B 2 Setting terminal CN7 MAX3XXXSP cccescccceeseseecesneeeceeeneeeeseneeecesaeeeeesnaeeesennneeeensas B 3 SCSI connector SCA2 type 16 bit SCSD 1 C 2 SCSI connector single ended type 16 bit SCSI C 3 MAA MAB and MAC series model names and product numbers D 2 SCSI interface function 1 renerne ns enn anne esserne E 2 C141 E035 03EN CHAPTER 1 GENERAL DESCRIPTION 1 1 Standard Features 1 2 Hardware Structure 1 3 System Configuration This chapter describes the feature and configuration of the intelligent disk drives IDD IDDs are high performance large capacity 3 5 inch fixed disk drives with an embedded SCSI controller The interface between the IDD and host system is based on SCSI Small Computer System Interface standard ANSI X3 131 1986 Small Computer System Interface SCSD ANSI X3 131 1994 Small Computer System Interface 2 SCSI 2 The flexibility and expandability of the SCSI as well as the powerful command set of the IDD allow the user to construct a high p
15. the INIT should issue the REQUEST SENSE command The sense data obtained with the REQUEST SENSE command details the error information detected with the initial self diagnostics Even if CHECK CONDITION status and sense data are posted the LED continues blinking Only when the SCSI bus is reset the BUS DEVICE RESET message is issued or the power is turned off or re turned on this status can be cleared When this status is cleared the IDD executes the initial self diagnosis again C141 E035 03EN The IDD does not reply to the SCSI bus for up to 2 seconds after the initial self diagnostics is started After that the IDD can accept the I O operation request correctly but the received command except the executable commands under the not ready state such as INQUIRY START STOP UNIT is terminated with the CHECK CONDITION status NOT READY 2 logical unit not ready 04 00 during the interval from the spindle motor becomes stable to the IDD becomes ready The executable command under the not ready state is executed in parallel with the initial self diagnostics or is queued by the command queuing feature and is executed after completion of the initial self diagnostics When the command that comes under the exception condition of the command queuing is issued at that time the IDD posts the BUSY status for the command When the error is detected during the initial self diagnostics the CHECK CONDITION status is posted for all commands that wer
16. 1 C 2 D 1 E 1 xiv TABLES page Function specifications eret eene era ha 2 2 Environmental power requirements sees 2 4 SCSI function specifications esenp nennen 2 7 Zone layout and track capacity MAA31XXXX 3 3 Zone layout and track capacity MAB30XXXX 3 3 Zone layout and track capacity MAC30XXXX 3 3 Format Capacity c uode 3 10 Surface temperature check point iat eade eet 4 8 External inputs for operating terminating resistor 16 bit single ended type 4 20 Recommended components for 2 4 24 Total cable length of SCSI cable 4 4 26 SCSI cable requirements cialis lali 4 26 SCSI ID setting single ended 16 bit SCSI model 5 7 Setting SCSI terminal power supply single ended 16 bit SCSI model MAx3xxxSP 5 8 Motor start mode setting single ended 16 bit SCSI model 3 5 8 Write protect setting single ended 16 bit SCSI model 5 9 Setting of connection of terminating resistor on SCSI interface single ended 16 bit SCSI model MAx3xxxSP cooococccooccccnoonccnononnncnnnonnnnnonnncnocnnnnnnnnnnnos 5 9 Default mode settings
17. 4 VDC 3 Open Open 0 to 0 4 VDC Open 2 Open Open Open 0 to 0 4 VDC 1 0 Figure 4 21 16 bit SCSI ID external input C141 E035 02EN b LED and LED V Output signals These signals actuate the external LED as same as LED on the front panel of the disk drive The electrical requirements are given in Figure 4 22 Notes 1 The external LED is identical in indication to the LED on the front of the IDD The meaning of indication can be selected with the CHANGE DEFINITION command For details of command refer to SCSI Logical Interface Specifications 2 Any load other than the external LED see Subsection 4 3 5 should not be connected to the LED V and LED terminals LED V 74LS06 or equivalent dl 680 T E LED on IDD front 1500 Output level Function 0 to 0 4 VDC lo 15mA max 2 5 to 5 25 VDC LED off Figure 4 22 Output signal for external LED SYNC Spindle sync Input output signal The pin CN1 A6 or CN7 10 inputs or outputs the signal for rotational synchronization when the IDD carries out rotational synchronization 1 Outputs the master signal for rotational synchronization when the IDD is the master of rotational synchronization C141 E035 02EN 4 19 2 Inputs the master signal when the IDD carries out rotational synchronization with the external master signal This signal is pul
18. Appendix C for the signal assignments on the SCSI connector For details on the physical electrical requirements of the interface signals refer to Sections 1 3 and 1 4 in the SCSI Physical Interface Specifications The tolerance is 0 127 mm 0 005 inch unless otherwise Figure 4 17 16 bit SCSI interface connector b Power supply connector Figure 4 18 shows the shape and the terminal arrangement of the output connector of DC power supply 12 VDC 12 VDC RETURN GND 5 VDC RETURN GND 5 VDC C141 E035 02EN 4 15 Figure 4 18 Power supply connector 16 bit SCSI model 3 SG terminal The IDD is not provided with an SG terminal fasten tab for DC grounding Therefore when connecting SG and FG in the system use the 5 VDC RETURN ground inside the power supply connector as the SG on the power supply side 4 Connector for external operator panel e Connector for 16 bit SCSI external operator panel provides connector for the external operator panel other than the SCSI bus as shown in Figure 4 19 Also a connector for the external operator panel are provided on the IDD as shown in Figure 4 20 This allows connection of an external LED on the front panel and an SCSI ID setting switch For the recommended circuit of the external operator panel see Subsection 4 3 5 M TERMON Reserved Figure 4 19 External operator panel conne
19. Default value Buffer full ratio 20 HEX Buffer empty ratio 20 HEX Notes 1 In a system without the disconnection function these parameters need not be specified 2 Determine the parameter values in consideration of the following performance factors of the system e Time required for reconnection processing e Average data transfer rate of the SCSI bus e Average amount of processing data specified with a command Refer to Chapter 2 of SCSI Logical Interface Specifications for how to obtain the rough calculation values for the parameter values to be set It is recommended to evaluate the validity of the specified values by measuring performance in an operation status under the average system load requirements C141 E035 02EN 3 Caching parameters The following parameters are used to optimize IDD Read Ahead caching operations under the system environments Refer to Chapter 2 of SCSI Logical Interface Specifications for further details a Read caching parameters Parameter Default value RCD Disabling Read Ahead caching operations 0 enabled WCE Write Cache Enable 0 disabled MS Specifying the multipliers of minimum 0 Specifying prefetch and maximum prefetch absolute value parameters DISC Prefetch operation after track switching 0 inhibit during prefetching Number of blocks for which prefetch is suppressed X FFFF Minimum prefetch X 0000 Maximum prefetch X OXXX Equivalent to 122 KB Nu
20. MAB30xxSC 4 22 4 3 3 Cable connector requirements sob R SR Aas Rian Ginna 4 24 4 374 External operator paneles e ERI 4 28 CHAPTERS 5 5 1 5 1 Notes on Handline E 5 1 5 2 Connections osen n ies bee HE a ee e d esa ded 5 3 5 3 Setting Terminals ete RR nemi een rige 5 5 SB nee RU a oe es Lee p ee RE US 5 7 33 20 B ch mode setting ge dg OU ae RAs RUPTA RE ER 5 8 5 3 3 Write protect terminating resistor setting sees 5 0 5 34 Mode Settngs zinc re e P e beste o De HU gros eR hes er Pe iG 5 10 5 4 DfiV8S rrt nte pter re te ones i rate eret ee e egere rip eren 5 11 S L Check before mounting tilo nette atte bore 5 11 5 42 Mounting ptoce d res uunc ete e P ERE Te hee ee 5 11 5 5 Connecting Cables patei een 5 12 5 6 Confirming Operations after Installation and Preparation for use 5 13 5 6 1 Confirming intial operations p ane Pt th e eerte 5 13 5 6 2 Checking SCSI connection cse eerie as 5 15 3 06 37 eo Ie Ee od on e ro i o E eR 5 18 5 6 4 Setting parameters sae eee eter mee eee pierna 5 20 5 7 Disino ntins Dressup euet lacas 5 24 CHAPTER 6 DIAGNOSTICS AND MAINTENANCE eere eene ennt tn neon astu ato 6 1 6 1 aea od tene Ld 6 1 CLL Selt di
21. POINTERS 03 TARG gt INIT 04 DISCONNECT INIT gt TARG 04 x x x x x Disconnect Privilege DiscPriv Bit length x x x x Fujitsu specific function E 2 C141 E035 02EN Table E 1 SCSI interface function specifications 2 of 8 Provided x Not provided w o REZERO UNIT 0D Oo REQUEST SENSE 00 Oo FORMAT UNIT 00 Oo FmtData format data 0 n o Interleave factor Block address format defect listing Block address format defect listing Byte distance from index format defect listing Byte distance from index format defect listing Physical sector address format defecting listing Physical sector address format defecting listing CmpLst complete list FOV Format Options Valid DPRY Disable Primary Command Group 0 DCRT Disable Certification IP Initialization Pattern DSP Disable Saving Parameters Immed Immediate EVPD Enable Vital Product Data Typical INQUIRY data O 64 byte long VPD Page 0 VPD page code listing VPD Page 80 Device serial number VPD Page C0 Operation mode READ DEVICE CHARACTERISTICS VU 13 PRIORITY RESERVE VU 14 Fujitsu specific function x x x x x x C141 E035 02EN Table 1 SCSI interface function specifications 3 of 8 Provided x Not provided MODE SELECT a0 o PF page format O Specified value ignored Page 1 Read write error recovery O 12 B Savable AWRE Automatic W
22. completing steps 1 through 3 for the same cylinder this allocation is repeated from track 0 in the next cylinder and on to the last cylinder cylinder p q in Figure 3 1 except for the alternate cylinders in ascending order of cylinder numbers When the logical data block is allocated some sectors track skew and cylinder skew shown in Figure 3 5 are provided to avoid waiting for one turn involving head and cylinder switching at the location where the track or the cylinder is physically switched See Subsection 3 3 2 for defective alternate block treatment and the logical data block allocation method in case of defective sectors exist on the disk Alternate area Alternate areas in the user space spare sectors in the cylinder and alternate cylinders are not included in the above logical data block addresses Access to sectors which are allocated as an alternate block in the alternate area is made automatically by means of IDD sector slip treatment or alternate block treatment explained in Subsection 3 3 2 so the user does not have to worry about accessing the alternate area The user cannot access with specifying the data block on the alternate area explicitly C141 E035 01EN 3 11 3 3 3 12 Defect Management Defect list Information of the defect location on the disk is managed by the defect list The following are defect lists which the IDD manages e P list Primary defect list This list consists of defect location informa
23. default value of number of 9space sectors per cylinder is 20 Track 0 Sector 0 1 n m 1 n m n 2 n 1 Track 1 n n 1 2n m 1 2n m 2n 2 2n 1 0 t a ena Last track SPRI SPRm 1 SPRm A 5ER Spare sectors m sectors Figure 3 2 Spare area in cylinders An alternate cylinder is used when spare sectors in a cylinder are used up or 0 is specified as the number of spare sectors in a cylinder Several cylinders at the end of the user space are allocated as alternate cylinders as shown in Figure 3 3 The number of alternate cylinder is 1 The user space and the CE space share the alternate cylinders lt User spare gt Cylinder 0 1 2 p 1 USRCYLO ALTCYL USRCYL User area bom m ALTCYL Alternate area Alternate cylinder Figure 3 3 Alternate cylinder Note Zero cannot be specified for both the number of spare sectors in each cylinder and the number of alternate cylinders C141 E035 01EN 3 5 1 Track format Physical sector allocation Figure 3 4 shows the allocation of the physical sectors in a track The length in bytes of each number of sectors per track vary depending on the logical data block length The unused area G4 exists at the end of the track in formats with most logical data physical sector and the block lengths The interval of the sector pulse length of the physical sector is decided by multiple of 15MHz free running frequency This
24. detected the consecutive tests are executed till last test but the self diagnostics terminates with error The error information indicates that of the last recovered error b Reporting result of self diagnostics and error indication When all specified self diagnostics terminate normally the IDD posts the GOOD status for the SEND DIAGNOSTIC command C141 E035 03EN 6 3 6 1 2 When an error is detected in the self diagnostics the IDD terminates the SEND DIAGNOSTIC command with the CHECK CONDITION status At this time only when an error is detected in the hardware function test the LED on the front panel of the disk drive blinks The INIT should issue the REQUEST SENSE command when the CHECK CONDITION status is posted The sense data collected by the REQUEST SENSE command indicates the detail information of the error detected in the self diagnostics The IDD status after the CHECK CONDITION status is posted differs according to the type of the detected error a When an error is detected in the seek or write read test the subsequent command can be accepted correctly When the command other than the REQUEST SENSE and NO OPERATION is issued from the same INIT the error information sense data is cleared b When an error is detected in the hardware function test the IDD posts the CHECK CONDITION status for all I O operation request except the REQUEST SENSE command The error status is not cleared and the LED on the front panel co
25. ee erri Re raid dista 2 4 2 1 4 T 2 5 2 1 5 Reh bility eiblita i etude b tu UA Let 2 5 2 2 SCSI Function Specifications 2 7 CHAPTER 3 DATA FORMAT 3 1 3 1 Data 3 1 ZIKRI Cyliider confisuration n sansa e a sil 3 1 3 12 Alternate Spare A 3 5 371 3 Track tora e Ds eset o eee tes 3 6 31 45 Sector format sss iiit OE UR RD DENE DEER EEG RUE 3 8 3 1 5 Format capacity etai RECURSO e Roten 3 10 3 2 Logical Data Block Addressing eese nennen nnnm 3 11 3 3 Detect Managemelit ete ie Lee e tete dee tee tite eec 3 12 3 3 1 Defect list eee us Nun een oun Ao Wed eun ren e um nt 3 12 3 3 2 Alternate block allocation ore cree ete ci 3 12 CHAPTER4 INSTALLATION REQUIREMENTS 4 1 4 1 Mounting Requirements IR RR bts 4 1 ALE External dimensions one eR IEEE e E eH 4 1 AAD Mounin B oce UERBO eoe m 4 6 4 1 3 Notes on Mountings iu nee odo ee eo Shel ot ace n i et ettet 4 6 4 2 Power Supply Requirements nne puit en o arde e ORE 4 11 C141 E035 03EN 4 3 Connection Requirements 4 14 4 3 1 Single ended 16 bit SCSI model MAA31xxSP MAB30xxSP MAC30xxSP 4 14 4 3 2 SCA2 type SCSI model 1
26. logical data block is allocated to the next physically continued sectors after the above sector slip treatment is made On the other hand the logical data block is allocated to spare sectors which are not physically consecutive to the adjacent logical data blocks If a command which processes several logical data blocks is specified the IDD processes those blocks in ascending order of logical data block Alternate block allocation during FORMAT UNIT command execution When the FORMAT UNIT command is specified the allocation of the alternate block to those defective sectors included in the specified lists P G or D is continued until all spare sectors in the same cylinder are used up When they are used up unused spare sectors in the alternate cylinder are allocated to the subsequent sectors in the cylinder by means of alternate sector treatment Figure 3 7 is examples of the alternate block allocation during the FORMAT UNIT command execution C141 E035 01EN 3 13 3 14 Example Example 2 n represents a logical data block number Defective sector Unused spare sector Figure 3 7 Alternate block allocation by FORMAT UNIT command If the data block verifying operation certification is not permitted DCRT flag 0 in the FORMAT UNIT command the IDD checks all initialized logical data blocks by reading them out after the above alternate bloc
27. terminating resistor power from IDD CN6 1 2 Supply on Short 1 Setting at factory shipment 2 Motor start mode Set how to control the starting of the IDD spindle motor according to Table 5 3 This setting only determines the operation mode when the power supply is turned on or the microcode is downloaded In both modes stopping or restarting the spindle motor can be controlled by specifying the START STOP UNIT command This setting is not provided for SCA2 type 16 bit SCSI model MAx3xxxSC For information on MAx3xxxSP refer to Figures 5 2 and 5 3 Table 5 3 Motor start mode setting single ended 16 bit SCSI model MAx3xxxSP Start timing of the spindle motor CN6 3 4 Starting of the motor is controlled with the START STOP UNIT command Open The motor is started immediately after the power supply is turned on or the ok microcode is downloaded Short SD Setting at factory shipment Refer to Chapter 3 of the SCSI Logical Interface Specifications for details of the START STOP UNIT command 5 8 C141 E035 02EN 5 3 3 Write protect terminating resistor setting 1 Write protect When the write protect function is enabled writing to the disk medium is disabled The write protect function setting is not provided to the SCA2 type 16 bit SCSI model MAx3xxxSC For information on MAx3xxxSP refer to Figure 5 2 and 5 3 Table 5 4 Write protect setting single ended 16 bit SCSI model MAx3xxxSP Write protect MAx
28. 141 E035 02EN The maximum length of the SCSI cable is as follow If more than one SCSI device is connected the total cable length must not exceed the value given in Table 4 2 The cable length between single ended type SCSI devices must be more than 30 cm recommended 50 cm or more Each system should decide the cable length between SCSI devices so that the total cable length of the system satisfies the specification Table 4 4 Total cable length of SCSI cable 16 bit SCSI Type Fast SCSI Ultra SCSI Single ended Upto3m Up to 3 0m Up to 6 m is allowable for 4 SCSI devices having 5 MB s or less capacitance of 25 pF Up to 1 5 5 to 8 SCSI devices having capacitance of 25 pF For the SCSI cables the use of 25 and 34 pair twisted pair cables satisfying the requirements in Table 4 5 is recommended Table 4 5 SCSI cable requirements Twist pair cable condition Pins and n 33 Characteristic impedance 90 to 132 Q To maintain the transmission characteristics and reduce signal reflection cables having different a characteristic impedance must not be used on the same SCSI bus When an SCSI device is connected to the SCSI cable at a point other than either end of the cable connection to the SCSI connector must be at a branch point of the cable If an SCSI device is connected to last SCSI device except when the cable has a terminating resistor See Figure 4 27 C141 E035 02EN a Connection to a middle point of th
29. 16 bit SCSI only 16 bit SCSI only 16 bit SCSI only 16 bit SCSI only SCSIID 15 16 bit SCST only Write operation is enabled 1 Write operation is disabled See the description of Section 5 3 for details of the setting requirements and notes C141 E035 01EN APPENDIX CONNECTOR SIGNAL ALLOCATION C 1 SCSI Connector Signal Allocation SCA2 type 16 bit SCSI C 2 SCSI Connector Signal Allocation single ended type 16 bit SCSI This appendix describes the connector signal allocation C141 E035 02EN 1 SCSI Connector Signal Allocation SCA2 type 16 bit SCSI Table C 1 SCSI connector SCA2 type 16 bit SCSI CN1 Pin No Pin No 12V RETURN GND GND EZ RA _ SV RETURN MATED 2 EA SV RETURN GND SV RETURN GND LED DLYD START SCSI IDI SCSIID3 ZIZ 9999999919 9919 nla FS amp P m 5 5 4 gt ZiziziziziziziziziziziZziz 9999999999999 atajo aja a al RIO 5 BR Ll an 1 Q 2 og ER gt E Go lt o2 e C 2 C141 E035 02EN 2 SCSI Connector Signal Allocation single ended type 16 bit SCSI Table C 2 SCSI connector single ended type 16 bit SCSI CN1 Ls 9 GND GND GND GND GND e L3 n wp L1 9b
30. 182SC MAB3091 MAB3091SP MAB3091SC MAB3045 MAB3045SP MAB3045SC MAC3091 MAC3091SP MAC3091SC MAC3045 MAC3045SP MAC3045SC C141 E035 03EN vil MANUAL ORGANIZATION PRODUCT MANUAL This manual SCSI Physical Interface Specifications SCSI Logical Interface Specifications Maintenance Manual viii General Description Specifications Data Format Installation Requirements Installation Diagnostics and Maintenance SCSI Bus SCSI Message SCSI Bus Error Recovery Processing Command Processing Data Buffer Management Command Specification Sense Data and error Recovery Procedure Disk Medium Management Specifications and Equipment Configuration Maintenance and Diagnostic Error Analysis Removal and Replacement Procedures Principle of Operation C141 E035 03EN CONTENTS CHAPTER 1 GENERAL DESCRIPTION oococcccoonocoonnnoonanoonanoncnncocnnconnnoncancncancoonnconcnconnanonos a 1 1 Standard Features teo ai o Rete Re e bado Po Eae te dida 1 2 1 2 Hardware SUCIA 1 5 1 3 System Configuration iaa tddi Rs 1 10 CHAPTER 2 SPECIFICATIONS occcoccconoconoconoconoconoconeconnconaconaconaconaconeconaconaccnnconoconoconoconocness 2 1 2 1 Hardware 1 4 2 1 2 1 1 Model iame and p rtinumber dre 2 1 2 1 2 Function specifications ce ee e eed er 2 2 2 1 3 Environmental specifications enin re e ei Pe
31. 26 6711 FUJITSU ITALIA S p A Via Nazario Sauro 38 20099 Sesto S Giovanni MI ITALY TEL 39 2 26294 1 FAX 39 2 26294 201 FUJITSU FRANCE S A I Place des Etas Unis SILIC 310 94588 Rungis Cedex FRANCE TEL 33 1 41 80 38 80 FAX 33 1 41 80 38 66 FUJITSU ICL ESPANA S A Almagro 40 28010 Madrid SP AIN TEL 34 1 581 8100 FAX 34 1 581 8125 FUJITSU AUSTRALIA LIMITED 475 Victoria Avenue Chatswood 2067 N S W AUSTRALIA TEL 61 2 410 4555 FAX 61 2 411 8603 8362 FUJITSU HONG KONG LTD Room 2521 Sun Hung Kai Centre 30 Harbour Road HONG HONG TEL 852 2827 5780 FAX 852 2827 4724 FUJITSU KOREA LTD 9th Floor Korean Reinsurance Building 80 Susong Dong Chongro Gu Seoul Special City Republic of KOREA TEL 82 2 739 3281 FAX 82 2 739 3294 FUJITSU COMPUTERS SINGAPORE PTE LTD 20 Science Park Road 03 01 TELETECH PARK SINGAPORE SCIENCE PARK II Singapore 117674 TEL 65 777 6577 FAX 65 771 5499 FUJITSU TAIWAN LTD 8F Hun Tai Center 168 170 Tun Hwa North Road lst Sec Taipei TAIWAN TEL 886 2 545 7700 FAX 886 2 717 4644 FUJITSU LIMITED Reader Comment Form We would appreciate your comments and suggestions for improving this publication How did you use this publication Is the material presented effectively Learning Installing Sales Fully Well Well Reference Maintaining Operating covered Illustrated Organized
32. 3xxxSP CN7 13 14 Write operation is enabled Open 1 Write operation is disable Short Setting at factory shipment 2 Connection of terminating resistor on SCSI interface SCA2 type 16 bit SCSI model MAx3xxxSC Since there is no SCSI terminating resistor on the SCSI interface for SCA2 type 16 bit SCSI there is no setting on the IDD b Single ended 16 bit SCSI model MAx3xxxSP Setting terminals CN6 5 6 set whether to use the terminating resistor circuit on the SCSI interface provided for the IDD see Table 5 5 IMPORTANT When the external operator panel is connected using the external operator panel connector CNI this setting is effective only when the A9 TERM ON is open Table 5 5 Setting of connection of terminating resistor on SCSI interface single ended 16 bit SCSI model MAx3xxxSP Connecting SCSI interface terminating resistor MAx3xxxSP CN6 5 6 Terminating resistor circuit is not connected Open Terminating resistor circuit is connected Short Set at factory shipment C141 E035 02EN 5 9 Mode settings In addition to the previously described settings using setting terminals the IDD is provided with several mode settings The mode settings are enabled by specifying the CHANGE DEFINITION command Table 5 6 lists the mode settings and their settings at factory shipment Refer to Section 3 1 4 of the SCSI Logical Interface Specifications for details of the command Table 5 6 Defau
33. D setting terminal for SCA type model Set the SCSI ID using IDO ID1 ID2 and ID3 signals on the SCSI interface connector CN1 2 Single ended 16 bit SCSI model MAx3xxxSP Table 5 1 shows the SCSI ID setting Refer to Figures 5 2 and 5 3 for connector positioning and allocation IMPORTANT When the SCSI ID is set using the external operator panel connector CNI all pins listed in Table 5 1 should be open If any of pins are shorted unexpected SCSI ID is set Table 5 1 SCSI ID setting single ended 16 bit SCSI model MAx3xxxSP SCSI ID 0 Open Open Open Open 6 Open Short Shot Open 8 Shot Open Open Open 9 Shot Open Open Short Set at factory shipment C141 E035 02EN 5 7 IMPORTANT I Set the SCSI ID so that there are no duplicates between SCSI devices on the same SCSI bus 2 The priority of SCSI bus use ARBITRATION phase is determined by SCSI ID as follows 7 gt 6 gt 5 gt 4 gt 3 gt 2 gt 1 gt 0 gt 15 gt 14 gt 13 gt 12 gt 11 gt 10 gt 9 gt 8 5 3 2 Each mode setting 1 Setting terminal power supply Refer to Table 5 2 for controlling the supply of power from the drive to the SCSI terminal resistance power source TERMPOW However this setting may not be used with SCA2 type 16 bit SCSI MAx3xxxSC For information on MAx3xxxSP refer to Figures 5 2 and 5 3 Table 5 2 Setting SCSI terminal power supply single ended 16 bit SCSI model MAx3xxxSP Supply on off of SCSI
34. I ID of but as the common parameter for all IDs In the multi INIT System parameter setting cannot be changed for each INIT 3 Once parameters are saved the saved value is effective as long as next saving operation is executed from the INIT For example even if the initialization of the disk is performed by the FORMAT UNIT command the saved value of parameters described in this section is not affected 4 When the IDD to which the saving operation has been executed on a system is connected to another system the user must pay attention to that the IDD operates according to the saved parameter value if the saving operation is not executed at installation C141 E035 02EN 5 The saved value of the MODE SELECT parameter is assumed as the initial value of each parameter after the power on the RESET condition or the BUS DEVICE RESET message The INIT can change the parameter value temporary actively at any timing by issuing the MODE SELECT or MODE SELECT EXTENDED command with specifying 0 to the SP bit in the CDB 1 Error recovery parameter The following parameters are used to control operations such as IDD internal error recovery a Read write error recovery parameters page code 1 Parameter Default value ARRE Automatic alternate block allocation at read 1 enabled operation Uncorrectable data transfer to the INIT 1 enabled EER Immediate correction of correctable error 1 enabled PER Report of recov
35. Primary Cylinder 1 User space eine p l Primary Cylinder p 1 Cylinder p Alternate Cylinder MAA31xxxx 9040 MAB30xxxx 8490 MAC30xxxx 8690 1 Spare sectors on the last track in each cylinder are not necessarily placed at the end of the track because of a track skew or a cylinder skew Details are explained in Subsection 3 1 3 Figure 3 1 Cylinder configuration Apart from the above logical configuration the IDD intends to increase the storage capacity by dividing all cylinders into several zones and changing a recording density of each zone Tables 3 1 and 3 2 show the zone layout and the track capacity 3 2 C141 E035 03EN Table 3 1 Zone layout and track capacity MAA31xxxx 1 549 2 279 2 699 3 499 4 259 5 089 6 099 6 479 7 149 7 669 7 959 8 489 9 039 194 186 180 176 167 160 Table 3 2 Zone layout and track capacity MAB30xxxx Exe up 1 549 2 279 2 699 3 499 4 259 5 089 oe 7 3s i s Cylinder 5 090 to 6 100to 6 480to 7 150to 7 670 to 7 960 to Om Scion oan Stes aes aan a 194 186 180 176 167 Table 3 3 Zone layout and track capacity MAC30xxxx zone o 2 P 3 4 5 1 209 1 759 2 559 3 259 3 909 4 039 me 3 3 35 9 Cylinder 4 310to 4 970to 5 510to 6 110to 6 610to 7 470to 8 070 to EE oan tes
36. QB 2E ignored Table E 1 SCSI interface function specifications 7 of 8 Provided x Not provided Group 0 WRITE BUFFER SEARCH DATA LOW 32 x x x x READ DEFECT DATA Block address format Byte distance from index format Physical sector address format COMPARE 39 x COPY amp VERIFY 3A x Mode 000 Header amp Data Mode Mode 001 Header amp Data Mode with Address Mode 010 Data Mode Mode 100 Download Microcode Mode 101 Download Microcode and Save READ BUFFER Mode 000 Header amp Data Mode Mode 001 Header amp Data Mode with Address Mode 010 Data Mode Mode 011 Descriptor Mode READ LONG CORRCT Corrected CHANGE DEFINITION LB data Logical Block Data LB data Physical Block Data LOG SELECT 4C MODE SELECT EXTENDED 6 o RESERVE EXTENDED RESERVE EXTENDED MODE SENSE EXTENDED o Fujitsu specific function C141 E035 02EN Table E 1 SCSI interface function specifications 8 of 8 Provided x Not provided DIAGNOSTICREAD DATA IVUIED 3 FORMATID SPACE ID amp READDATA YUH CH x DISPLACEDID VUICD CO _ x Command VUCD CA x Group 6 DIAGNOSTIC FORMAT ID VU CD D x DIAGNOSTICREADID x WRITERAM OH x VU 1 D2 VU 1 D8 VU 1 DA C ci
37. S OF CONNECTORS SETTING TERMINALS AND TERMINATING RESISTORS Locations of Connectors and Setting Terminals MAx3xxxSC SCA2 type 16 bit SCSI Locations of Connectors and Setting Terminals MAx3xxxSP single ended type 16 bit SCSI This appendix shows the locations of connectors setting terminals and terminating resistor for 8 and 16 bit SCSIs C141 E035 02EN 1 Locations of Connectors and Setting Terminals MAx3xxxSC SCA2 type 16 bit SCSI CNI Viewed from bottom side MAA31xxSC Rear view E f TOO RLY VER Up UE Cerrar ern nm on nr mn Cr Dn nr n or mm nn nmm mort F MAB30xxSC Rear view ANY ade 6 Figure A 1 Locations of connectors and setting terminals MAx3xxxSC SCA2 type 16 bit SCSI A 2 C141 E035 02EN A 2 Locations of Connectors and Setting Terminals MAx3xxxSP single ended type 16 bit SCSI CN6 6 1 CNI 15 16 CN7 1 2 Viewed from bottom side MAA3IxxSP Rear View Pin A12 SCSI connector Connector for external operator panel SCSI connector MAB31xxSP Rear view Pin All PinAl Pin A12 SCSI connector
38. T indicates information that the helps the user use the product more effectively Indicates This manual indicates Decimal number Indicates as it is Hexadecimal number Indicates as X 17B9 17B9h or 17B9H Binary number Indicates as 010 vi C141 E035 03EN DISCLAIMER Failure of the MAA31xxxx MAB30xxxx and MAC30xxxx series intelligent disk drive is defined as a failure requiring adjustments repairs or replacement Fujitsu is not responsible for drive failures caused by misuse by the user poor environmental conditions power trouble host problems cable failures or any failure not caused by the drive itself The suffix of the model name of the disk drive varies depending on the electrical requirements capacity and data format at factory shipment of the SCSI i e the interface for connecting the three device types or host system and the disk drives Note 1 However in this manual the typical model names Note 2 are used unless otherwise noted These disk drives may be called intelligent disk drives IDD drives or devices in this manual Note 1 Model names M AA 3 182 SC Interface types SP Single Ended 16 bit SCSI SC Single Ended 16 bit SCSI SCA2 connector Formatted capacity 100 MB units Disk size 3 3 5 inch Type AA 1 6 inch height 7 200rpm AB 1 inch height 7 200rpm AC 1 inch height 10 033rpm Note 2 Type model name Type model Model name name MAA3182 MAA3182SP MAA3
39. Total number of spare sectors is calculated by adding the number of spare sectors in each primary cylinder and the number of sectors in the alternate cylinders C141 E035 03EN 3 2 1 2 Logical Data Block Addressing Independently of the physical structure of the disk drive the IDD adopts the logical data block addressing as a data access method on the disk medium The IDD relates a logical data block address to each physical sector at formatting Data on the disk medium is accessed in logical data block units The INIT specifies the data to be accessed using the logical data block address of that data The logical data block addressing is a function whereby individual data blocks are given addresses of serial binaries in each drive Block address of user space The logical data block address number is consecutively assigned to all of the data blocks in the user space starting with 0 to the first data block The IDD treats sector 0 track 0 cylinder 0 as the first logical data block The data block is allocated in ascending order of addresses in the following sequence refer to Figure 3 5 1 Numbers are assigned in ascending order to all sectors in the same track 2 By following step 1 numbers are assigned in ascending order of tracks to all sectors in each track in the same cylinder except the last track 3 By following step 1 numbers are assigned to all sectors in the last track except the spare sectors 4 After
40. acking and avoid shocks and vibrations with cushions For the carrying direction at delivery use one of the mount allowable directions in Subsection 4 2 2 vertical direction is recommended Storage a b c Provide vaporproof packaging for storage The storage environment must satisfy the requirements specified in Subsection 2 1 3 when the drive is not operating To prevent condensation avoid sudden changes in temperature C141 E035 02EN 5 2 Connections Figure 5 1 shows examples of connection modes between the host system and the IDD For the 16 bit SCSI up to 16 devices including the host adapter IDD and other SCSI devices can be connected to the SCSI bus in arbitrary combinations Install a terminating resistor on the SCSI device connected to both ends of the SCSI cable See Section 4 4 for the cable connection requirements and power cable connections 1 Connecting one IDD Single Ended type SCSI Hot adapter SCSI cable 2 Connecting more than one IDD single host Host Hot SCSI cable system adapter Other SCSI device Figure 5 1 SCSI bus connections 1 of 2 C141 E035 02EN 5 3 3 Connecting more than one IDD multi host C Host a SCSI cable N adapter 1 IDD IDD Host Hot system adapter N 2 1 Other SCSI device SCSI terminating resistor Figure 5 1 SCSI bus connections 2 of 2 5 4 C141 E035 01EN 5 3 Setting Terminals
41. after MAA31xxxx MAB3091xx MAB3045xx hereafter MAB30xxxx MAC3091xx MAC3045xx hereafter MAC30xxxx series 3 5 inch fixed disk drives with an embedded SCSI controller This manual details the specifications and functions of the above disk drive and gives the requirements and procedures for installing it into a host computer system This manual is written for users who have a basic understanding of fixed disk drives and their use in computer systems The MANUAL ORGANIZATION section describes organization and scope of this manual The need arises use the other manuals Chapter 1 GENERAL DESCRIPTION This chapter introduces the MAA31xxxx MAB30xxxx and MAC30xxxx series disk drives and discusses their standard features hardware and system configuration Chapter 2 SPECIFICATIONS This chapter gives detailed specifications of the MAA31xxxx MAB30xxxx and MAC30xxxx series disk drives and their installation environment Chapter 3 DATA FORMAT This chapter describes the data structure of the disk the address method and what to do about media defects Chapter 4 INSTALLATION REQUIREMENTS This chapter describes the basic physical and electrical requirements for installing MAA31xxxx MAB30xxxx and MAC30xxxx series disk drives Chapter 5 INSTALLATION This chapter explains how to install MAA31xxxx MAB30xxxx and MAC30xxxx series disk drives It includes the notice and procedures for setting device number and operation modes mounting t
42. al dimensions MAA3 1 XXSP srai e e E AE AN E A E A E T 4 3 External dimensions MAB30xxSC MAC30xxSC oocoooccnncccnonooonnnnnnnncnonncononononccnnnanononos 4 4 External dimensions MAB30xxSP 4 5 IDD orient tion iaces 4 6 Mounting frame structure 4 7 Limitation of side mounting ccooococcnnonccnnnononnnnnonnnnnnnnnnnonnnnnnnn 4 7 Surface temperature measurement points MAA31xxxx MAB30xxxx MAC30xxxx 4 8 Service clearance tai 4 9 Aur pressure adjustment hole 5 med dor ea ed ene e en 4 10 Current waveform 12 4 11 Power on off sequence 1 4 11 Power on off sequence 2 4 12 Power on off sequence 3 nenne eene reen reen reen nnne 4 12 AC noise filter recommended sse nennen enne nenne enne 4 13 Connectors and terminals location single ended 16 bit 81 4 14 C141 E035 03EN 4 17 4 18 4 19 4 20 4 21 4 22 4 23 4 24 4 25 4 26 4 27 4 28 51 5 2 5 3 5 4 5 5 6 1 6 2 Al 2 16 bit SCSI interface 4 15 Power supply connector 16 bit SCSI model essere 4 15 External operator panel connector 1
43. and G lists by the READ DEFECT DATA command Alternate block allocation The alternate data block is allocated to a defective data block sectors in defective sector units by means of the defect management method inside the IDD The INIT can access all logical data blocks in the user space as long as there is no error Spare sectors to which alternate blocks are allocated can be provided in either spare sectors in a cylinder or alternate cylinders See Subsection 3 1 2 for details The INIT can specify the size and area for spare sectors by the MODE SELECT command at the time of the initialization of the disk Both of the following are applicable to the alternate block allocation e Sector slip treatment Defective sectors are skipped and the logical data block corresponding to those sectors is allocated to the next physical sectors This treatment is made on the same cylinder as the defective sector s and is effective until all spare sectors in that cylinder are used up C141 E035 01EN 1 e Alternate sector treatment The logical data block corresponding to defective sectors is allocated to unused spare sectors in the same cylinder or unused spare sectors in the alternate cylinder The alternate block allocation is executed by the FORMAT UNIT command the REASSIGN BLOCKS command or the automatic alternate block allocation Refer to OEM Manual SCSI Logical Specifications for details of specifications on these commands The
44. ckaging a b 9 Use a flat work area Check that the This Side Up sign side is up Handle the package on soft material such as a rubber mat not on hard material such as a desk Be careful not to give excess pressure to the internal unit when removing cushions Be careful not to give excess pressure to the PCAs and interface connector when removing the drive from the antistatic bag Do not remove the sealing label or cover of the DE and screws C141 E035 01EN 5 1 3 4 5 6 Installation a b Do not attempt to connect or disconnect connections when power is on The only pin settings that may be altered are pins 13 14 Write Protect in CN7 Do not move the drive when power is turned on or until the drive completely stops for 30 seconds after power is turned off Packaging a b c Store the drive in an antistatic vinyl bag with a desiccant silica gel It is recommended to use the same cushions and packages as those at delivery If those at delivery cannot be used use a package with shock absorption so that the drive is free from direct shocks In this case fully protect the PCAs and interface connector so that they are not damaged Indicate This Side Up and Handle With Care on the outside of the package so that it is not turned over Delivery a b When delivering the drive provide packaging and do not turn it over Minimize the delivery distance after unp
45. clock is not equal to the interval of the byte clock for each zone Therefore the physical sector length cannot be described with a byte length 89 699 CLKs 15 MHz MAC30xxxx 125 000 CLKs 15MHz MAA31xxxx MAB30xxxx gt INDEX pulse PAS Sector pulse Servo mark pape SIS Sect Track Sector 0 ie G4 Sector p Sector p 1 Sector p 2 E n n ntm n r Clock Clock Clock Clock Clock unused Figure 3 4 Track format C141 E035 03EN 2 Cylinder l ptl Track skew and cylinder skew To avoid waiting for one turn involved in head and cylinder switching the first logical data block in each track is shifted by the number of sectors track skew and cylinder skew corresponding to the switching time Figure 3 5 shows how the data block is allocated in each track At the head switching location in a cylinder the first logical data block in track t 1 is allocated at the sector position which locates the track skew behind the sector position of the last logical data block sector in track t At the cylinder switching location like the head switching location the first logical data block in a cylinder is allocated at the sector position which locates the cylinder skew behind the last logical sector position in the preceding cylinder The last logical sector in the cylinder is allocated when formatting and is an unused spare sector INDEX INDEX Sector 0 1 2 3 4 5 6 7 8 DERE ET
46. conditions power trouble host system trouble cable failures or other failures not caused by the equipment are not considered Mean Time To Repair MTTR MTTR is the average time taken by a well trained service mechanic to diagnose and repair a drive malfunction The drive is designed for a MTTR of 30 minutes or less C141 E035 03EN 2 5 3 4 Service life The service life under suitable conditions and treatment is as follows The service life is depending on the environment temperature Therefore the user must design the system cabinet so that the average DE surface temperature is as possible as low DE surface temperature 45 or less 5 years DE surface temperature 46 C to 50 4 years DE surface temperature 51 C to 55 years DE surface temperature 56 C and more strengthen cooling power so that DE surface temperature is 55 or less Even if the IDD is used intermittently the longest service life is 5 years Note The average DE surface temperature means the average temperature at the DE surface throughout the year when the IDD is operating 2 TI C tl t2 T1xt1 T2xt2 Average DE surface temperature 2 Data security at power failure Integrity of the data on the disk is guaranteed against all forms of DC power failure except on blocks where a write operation is being performed The above does not applied to formatting disks or assignin
47. ctor CN1 4 16 C141 E035 02EN Pin Signal Pin Signal 01 GND ID0 03 GND D1 05 GND 1D2 07 GND 08 ID3 09 N C 10 SYNC 11 GND 12 Y 13 GND 14 WTP 2 00mm 15 LED V 16 LED Pin 1 Pin 15 Figure 4 20 External operator panel connector CN7 C141 E035 02EN External operator panel connector Signals 16 bit SCSI ID3 ID2 ID1 IDO Input signals These signals are used for providing switches to set the SCSI ID of the IDD externally Figure 4 21 shows the electrical requirements For the recommended circuit examples see Subsection 4 3 5 AN CNI A7 or CN7 08 1D3 lt 1D2 1D1 IDO CN1 A5 or CN7 06 CN1 A3 or CN7 04 CN1 A1 or CN7 02 Input level 1D3 1D2 ID1 ID0 ee 0 to 0 4 VDC 0 to 0 4 VDC 0 to 0 4 VDC 0 to 0 4 VDC 15 0 to 0 4 VDC 0 to 0 4 VDC 0 to 0 4 VDC Open 14 0 to 0 4 VDC 0 to 0 4 VDC Open 0 to 0 4 VDC 13 0 to 0 4 VDC 0 to 0 4 VDC Open Open 12 0 to 0 4 VDC Open 0 to 0 4 VDC 0 to 0 4 VDC 11 0 to 0 4 VDC 0 to 0 4 VDC Open 10 0 to 0 4 VDC Open 0 to 0 4 VDC 0 to 0 4 VDC Open Open Open 8 Open 0 to 0 4 VDC 0 to 0 4 VDC 0 to 0 4 VDC Open 0 to 0 4 VDC 0 to 0 4 VDC Open 6 Open 0 to 0 4 VDC 0 to 0 4 VDC Open 0 to 0 4 VDC Open Open 4 Open Open 0 to 0 4 VDC 0 to 0
48. e lt a pais AE gt gt gt X IX 1X x x Defective sector slip processing function Command link function Relative block addressing function Untagged queuing function Tagged command queuing function Contingent Allegiance CA O Sense held for each INIT Command Group 6 Extended Contingent Allegiance ECA Asynchronous condition notification feature AEN async event notification Read ahead cache feature Cache control feature DPO disable page out FUA force unit access BUSY INTERMEDIATE CONDITION MET Q 5 Ga 5 z Om lt e 2 2 8 Bo B 515155 Sis H o gt z o S miz z E la Eo Z Z 2 gt dE m o0 Se UEUE FULL Sense data Extended format O 48 bytes long CCS common command set conformity O Rev 4 b Z 5 5 Q c a S 3 amp ee 1 Fujitsu specific function C141 E035 02EN Index SYNC 4 19 Spindle Sync 4 19 16 bit SCSI 1 2 4 15 5 7 8 bit SCSI 1 2 noise filter 4 14 Actuator 1 9 Additional error recovery parameters 5 21 Addressing of peripheral device 1 11 Air circulation 1 9 Air pressure adjustment hole 4 10 Allowable input current 4 12 Allowable input voltage 4 12 Alternate area 3 11 Alternate block allocation 3 12 3 13 3 14 Alternate cylinder 3 5 Alternate sector treatment 3 13 Alternate spare area 3 5 Atitut
49. e stacked during the initial self diagnostics For the command execution condition refer to Section 1 4 and Subsection 1 7 4 in SCSI Logical Interface Specifications 2 Online self diagnostics SEND DIAGNOSTIC command The INIT can make the IDD execute self diagnostics by issuing the SEND DIAGNOSTIC command The INIT specifies the execution of self diagnostics by setting 1 for the SelfTest bit on the CDB in the SEND DIAGNOSTIC command and specifies the test contents with the UnitOfl bit When the UnitOfl bit on the CDB is set to 0 the IDD executes the hardware function test only once When UnitOfl bit is set to 1 the IDD executes the hardware function test seek positioning test and data write read test for the Internal test space only once a Error recovery during self diagnostics During the self diagnostics specified by the SEND DIAGNOSTIC command when the recoverable error is detected during the seek or the write read test the IDD performs the error recovery according to the MODE SELECT parameter value read write error recovery parameter additional error recovery parameter which the INIT specifies at the time of issuing the SEND DIAGNOSTIC command Operation of self diagnostics The self diagnostics continues when the error is recovered The self diagnostics terminates normally so far as the unrecoverable error is not detected The self diagnostics continues when the error is recovered If the unrecoverable error is not
50. e 2 4 Automatic alternate block allocation 3 16 Automatic alternate block reassignment 1 4 Average DE surface temperature 2 6 BCRC 3 9 Basic operation test 6 5 Block address of user space 3 11 Block descriptor 5 18 Block descriptor 5 18 Breather filter 1 9 list 3 12 3 5 4 16 2 3 CN6 2 7 4 17 3 CSS 1 8 Cable connection 4 21 Cable connection requirements 4 24 Cable length 4 26 Caching parameters 5 23 Changing revision number at factory shipment 6 7 Check before mounting 5 11 Check items at illegal operation 5 14 Checking SCSI connection 5 15 5 16 5 17 Checking at abnormal end 5 18 Checking procedure 5 15 Command queuing feature 1 3 Compactness 1 2 Confirming Operations after Installation for use 5 13 Confirming initial operations 5 13 Connection of terminating resistor 5 9 Connection requirements 4 14 Connections 5 3 Connector signal Allocation C 2 Connector signal allocation C 1 Connectors of terminals location 4 14 4 22 Contact start stop 1 8 Continuous block processing 1 3 Control mode parameters 5 23 Controller circuit 1 9 Current waveform 4 11 Cylinder configuration 3 1 3 2 Cylinder skew 3 7 D D list 3 12 DC ground 4 27 DE 1 9 DISCON 4 20 Data field 3 8 Data format 3 1 Data security at power failure 2 6 Data space 3 1 Default 5 10 Defect Management 3 12 Defect list 3 12 Defective block slipping 1 4 Deliver
51. e cable Correct connection 1 Correct connection 2 Incorrect connection Link connector SCSI cable SCSI cable SCSI cable Link connector SCSI connector SCSI connector SCSI connector b Connection to end of the cable Correct connection 1 Incorrect connection 1 Single Ended type Single Ended type SCSI cable SCSI cable SCSI SCSI TRM connector connector SCSI terminating resistor Figure 4 27 SCSI cable termination 2 Power cable IDDs must be star connected to the DC power supply one to one connection to reduce the influence of load variations 3 DC ground The DC ground cable must always be connected to the IDD because no fasten terminal dedicated to SG is provided with the IDD Therefore when SG and FG are connected in the system it is necessary to connect SG and FG at the power supply or to connect SG of the power supply to FG of the system 4 External operator panel The external operator panel is installed only when required for the system When connection is not required leave open the following pins in the external operator panel connector of the IDD Pins 15 16 and 01 pins 10 through 08 in CN7 and pins Al through A12 in CN1 C141 E035 02EN 4 27 4 3 4 External operator panel recommended circuit of the external operator panel is shown in Figure 4 28 Since the external operator panel is not provided as an option this panel must b
52. e fabricated at the user site referring to the recommendation if necessary IDD A8 LED All LED V El LED V 16 LED lt LED ml ag for 16 bit SCSD 1 For connecting the external LED to CN7 Figure 4 28 External operator panel circuit example MAx3xxxSP Note Do not connect the external LED to both CN1 and CN7 Connect it to either of them 4 28 C141 E035 03EN CHAPTER 5 INSTALLATION Notes on Handling Drives Connections Setting Terminals Mounting Drives Connecting Cables Confirming Operations after Installation and Preparation for Use Dismounting Drives This chapter describes the notes on handling drives connections setting switches and plugs mounting drives connecting cables confirming drive operations after installation and preparation for use and dismounting drives 5 1 1 2 Notes on Handling Drives General notes a b Do not give the drive shocks or vibrations exceeding the value defined in the standard because it may cause critical damage to the drive Especially be careful when unpacking Do not leave the drive in a dirty or contaminated environment Since static discharge may destroy the CMOS semiconductors in the drive note the following after unpacking e Use an antistatic mat and body grounding when handling the drive e Hold the DE when handling the drive Do not touch PCAs except for setting Unpa
53. e heads are in contact with the disks when the disks are not rotating and automatically float when the rotation is started Figure 1 7 shows the configuration of disks and heads MAA3182 MAB3091 MAC3091 MAB3045 MAC3045 0 0 ev 1 1 1 2 P 2 E 2 2 3 p 3 E 3 i 4 4 4 5 5 6 E 6 gt ME ae 7 5 2 8 13 P S 14 15 16 17 2 18 Head No Figure 1 7 Disk head configuration Spindle motor The disks are rotated by a direct drive hall less DC motor The motor speed is controlled by a feedback circuit using the counter electromotive current to precisely maintain the speed at 0 5 of the specified speed C141 E035 03EN 4 5 6 7 Actuator The actuator which uses a rotary voice coil motor VCM consumes little power and generates little heat The head assembly at the end of the actuator arm is controlled and positioned via feedback of servo information in the data The actuator positions heads on the CCS zone over the disk and is locked by the mechanical lock when the power is off or the spindle motor is stopped Air circulation recirculation filter breather filter The heads disks and actuator are hermetically sealed inside a disk enclosure DE to keep out dust and other pollutants The DE has a closed loop air recirculation system Using the movement of the rotating disks air is continuously cycled through a filter This filt
54. ead circuit 1 9 Read ahead cache feature 1 3 Read write error recovery parameter 5 21 Recirculation filter 1 9 Recommended components for connection 4 21 4 24 Reconnection parameter 5 22 Release function 1 3 Reliability 2 5 Reporting result of self diagnostics 6 3 Reserve function 1 3 Revision label 6 7 Revision numbers 6 7 SA space 3 4 SB 3 8 SCA2 type SCSI model 4 22 SCSIID 1 11 SCSI ID external input 4 18 SCSI bus configuration 1 10 SCSI bus connection 5 3 SCSI bus test 6 5 SCSI cable 4 25 SCSI cable connector 4 25 SCSI cable requirements 4 26 SCSI cable termination 4 27 SCSI connector 4 15 SCSI connector 4 23 SCSI function specifications 2 7 SCSI interface functions E 1 SCSI interface functions specifications E 2 SCSI CCS standard 1 2 SG 4 27 SG terminal 4 16 Sector format 3 8 Sector slip treatment 3 12 Seek test 6 2 Self diagnostics 6 1 Sequential read test 6 5 Sequential starting of spindle motor 4 13 Service clearance area 4 9 Service life 2 6 6 5 Service system and repairs 6 6 Setting SCSI terminal 5 8 Setting SCSI terminal power supply 5 8 Setting check list 5 11 Setting parameters 5 20 Setting terminals 5 5 5 6 B 1 B 2 Setting terminals position 5 5 Shock 2 4 Spare sector 3 5 Specifications 2 1 Specifying CDB 5 19 Spindle motor 1 8 Standard features 1 2 Start Stop of spindle motor 1 4 Storage 5 2 Structure 1 5 Surface temperature check point 4 8 Surface t
55. emove mounting screws holding the cables and drive while power is on 2 Do not move the drive until it completely stops 30 seconds after spindle motor is stopped with START STOP UNIT command or after power is turned off Remove the power cable Remove the SCSI cable When the external operator panel is mounted remove the cable If it is difficult to access the connector position the cable may be removed after step e Remove the DC ground cable Remove the four mounting screws securing the drive then remove the drive from the system cabinet To store or transport the drive keep it in an antistatic bag and provide packing see Section 5 1 C141 E035 02EN CHAPTER 6 DIAGNOSTICS AND MAINTENANCE 6 1 Diagnostics 6 2 Maintenance Information This chapter describes diagnostics and maintenance information 6 1 Diagnostics 6 1 1 Self diagnostics The IDD has the following self diagnostic function This function checks the basic operations of the IDD e Initial self diagnostics e Online self diagnostics SEND DIAGNOSTIC command Table 6 1 lists the contents of the tests performed with the self diagnostics For a general check of the IDD including the operations of the host system and interface use a test program that runs on the host system see Subsection 6 1 2 Table 6 1 Self diagnostic functions SEND DIAGNOSTIC command Initial Test contents self Self Test 1 Self Test 1 diagnostics Unit O
56. emperature measurement points 4 8 Sync byte 3 8 System configuration 1 10 System space 3 4 T 4 20 TRNG 3 8 Temperature 2 4 Terminating resistor setting 5 9 Terminator on 4 20 Test programs 6 4 Track capacity 3 3 Track format 3 6 Track skew 3 7 Trainig 3 8 U Unpackaging Unrecoverable error rate 2 5 User space 3 4 V Verify error recovery parameters 5 21 Vibration 2 4 W Widerange 1 5 Write circuit 1 9 Write protect 5 9 Write protect setting 5 9 Write read test 6 2 2 Zone layout 3 3 C141 E035 03EN IN 3 Comments concerning this manual can be directed to one of the following addresses FUJITSU LIMITED Business Planning Solid Square East Tower 580 Horikawa cho S aiwai ku Kawasaki 210 0913 J TEL 81 44 540 4056 FAX 81 44 540 4123 FUJITSU COMPUTER PRODUCTS OF AMERICA INC 2904 Orchard Parkway San J ose California 95134 2009 U S A TEL 1 408 432 6333 FAX 1 408 432 3908 FUJITSU CANADA INC 2800 Matheson Blvd East Mississauga Toronto Ontario L4W 4X5 CANADA TEL 1 905 602 5454 FAX 1 905 602 5457 FUJITSU EUROPE LIMITED 2 Longwalk Road Stockley Park Uxbridge Middlesex UB11 1AB ENGLAND TEL 44 81 573 4444 FAX 44 81 573 2643 FUJITSU DEUTSCHLAND GmbH Frankfurter Ring 211 80807 Munchen GERMANY TEL 49 89 323780 FAX 49 89 32378100 FUJITSU NORDIC AB Kung Hans Vag 12 S 192 68 Sollentura SWEDEN TEL 46 8 626 6000 FAX 46 8 6
57. ep rate Landing zone cylinder RPL Rotational Position Locking Rotational synchronization offset Medium rotational speed Page 7 Verify error recovery EER Enable Early Recovery PER Post Error DTE Disable Transfer on Error DCR Disable Correction Retry count at verification Correctable bit length Recovery processing time restriction 1 Fujitsu specific function C141 E035 02EN O Not changeable O Changeable O Not changeable O Not changeable O Not changeable O Changeable O No interleave O Not changeable O Not changeable O Not changeable O Not changeable O Not changeable 24 B Savable O Changeable O Not changeable O Not changeable O 12 B Savable O Changeable O Changeable x Specified value ignored O Changeable O Changeable O Not changeable O Not changeable Table E 1 SCSI interface function specifications 5 of 8 Provided x Not provided MODE SELECT continued Page 8 Caching parameter O 20 B Savable DISC discontinuity O Not changeable MS Multiple Select WCE Write Cache Enable O Changeable RCD Read Cache Disable O Changeable Demand Read Retention Priority Write Retention Priority Prefetch suppression block count Minimum prefetch Maximum prefetch O Not changeable Maximum prefetch restriction block count O Not changeable Number of segments O Changeable Buffer segment size Command Group 0 Page A Con
58. er will trap any dust generated inside the enclosure and keep the air inside the DE contaminant free To prevent negative pressure in the vicinity of the spindle when the disks begin rotating a breather filter is attached The breather filter also equalizes the internal air pressure with the atmospheric pressure due to surrounding temperature changes Read write circuit The read write circuit uses head LSI chips and partial response class 4 maximum likelihood PR4ML modulator and demodulator circuit to prevent errors caused by external noise thus improving data reliability Controller circuit The controller circuit uses LSIs to increase the reliability and uses a high speed microprocessing unit MPU to increase the performance of the SCSI controller C141 E035 03EN 1 9 1 3 System Configuration Figure 1 8 shows the system configuration The IDDs are connected to the SCSI bus of host systems and are always operated as target The IDDs perform input output operation as specified by SCSI devices which operate as initiator LUN 0 fixed Host System IDD A 6 14 0 LUN 0 LUN n Controller 2 Controller 3 O ROT Controller 4 12 Host System tee y adapter B Controller 5 13 7 15 SCSITD for 8 bit SCSI n SCSI ID for 16 bit SCSI 1 1 10 Figure 1 8 System configuration SCSI bus configuration Up to eight SCSI devices operating as an initiator
59. ered error 0 disabled DCR Suppression of ECC error correction 0 Correction is enabled Retry count at read operation 63 Retry count at write operation 0 Recovery time limit 30 sec b Verify error recovery parameters page code 7 Parameter Default value ERR Immediate correction of recoverable error 1 enabled PER Report of recovered error 0 disabled DTE Stop of command processing at successful 0 Processing is error recovery continued DCR Suppression of ECC error correction 0 Correction is enabled Retry count at verification 63 c Additional error recovery parameters page code 21 Parameter Default value Retry count at seek error 15 C141 E035 02EN 5 21 2 Notes 1 The user can arbitrarily specify the following parameters according to the system requirements e ARRE e e PER 2 The user also can arbitrarily specify parameters other than the above However it is recommended to use the default setting in normal operations Disconnection reconnection parameters page code 2 The following parameters are used to optimize the start timing of reconnection processing to transfer data on the SCSI bus at a read READ or READ EXTENDED command or write operation WRITE WRITE EXTENDED or WRITE AND VERIFY command of the disk Refer to Chapter 2 of SCSI Logical Interface Specifications for further details a Disconnection reconnection parameters page code 2 Parameter
60. erformance reliable disk subsystem with large storage capacity C141 E035 01 EN 1 1 1 1 1 2 3 4 Standard Features Compactness Since the SCSI controller circuit is embedded in the standard 3 5 inch fixed disk drive form factor the IDD is extremely compact The IDD can be connected directly to the SCSI bus of the host system SCSI CCS standard The IDD provides not only SCSI basic functions but also the following features Arbitration Disconnection reselection Data bus parity Command set which meets the logical specification of the SCSI CCS Common Command Set for Direct Access Device requirements Rev 4 B The SCSI commands can manipulate data through logical block addressing regardless of the physical characteristics of the disk drive This allows software to accommodate future expansion of system functions 8 bit SCSI 16 bit SCSI The IDD has 16 bit data width 16 bit SCSI which have the wide transfer function suitable for SCSI 3 e 8 bit SCSI Up to eight SCSI devices can be connected on the same SCSI bus 16 bit SCSI Up to 16 SCSI devices can be connected on the same SCSI bus For the ultra SCSI model number of connectable SCSI devices on the same SCSI bus is varied as follows e Up to 4 SCSI devices having capacitance of 25 pF Cable length of up to 3 0 m e 5 to 8 SCSI devices having capacitance of 25 pF Cable length of up to 1 5 m High speed data transfer e 8 bitSCSI The data tran
61. ffline 0 Unit Offline 1 Hardware function test C C Y Seek test 2 Write read test O Cylinder for internal test Note O indicates the tests to be executed and arrows show the sequence of execution C141 E035 02EN 6 1 1 Brief test contents of self diagnostics are as follows Hardware function test This test checks the basic operation of the controller section and contains following test e RAM microcode is stored e Peripheral circuits of microprocessor MPU e Memory RAM e buffer b Seek test This test checks the positioning operation of the disk drive using several seek modes 2 points seek position sequential seek etc The positioning operation is checked with confirming the physical address information by reading the ID field LBA from the data block on track 0 after completion of the seek operation to the target cylinder c Write read test This test check the write read function by using the Internal test space of the disk drive Initial self diagnostics When power is turned on the IDD starts initial self diagnostics The initial self diagnostics checks the basic operations of the hardware functions If an error is detected in the initial self diagnostics the LED on the drive front panel blinks In this status the IDD posts the CHECK CONDITION status to all I O operation requests other than the REQUEST SENSE command When the CHECK CONDITION status is posted
62. fication ANSI X3 13 1986 and CCS Rev 4B conformity SCSI 2 ANSI X3T9 2 86 109 Rev 10h command support SCSI 3 command partial support Data buffer 512 KB FIFO ring buffer multi segment buffer Segment count 1 to 16 Read ahead cache 2 2 C141 E035 03EN 1 The formatted capacity can be changed by changing the logical block length and using spare sector space See Chapter 3 for the further information 2 The number of user cylinders indicates the max and includes the alternate cylinder The number of user cylinders and alternate cylinders can be specified at format of the IDD 3 The positioning time is as follows Seek Time Seek Time ms ms x E E 4 5 6 7 8 9 10 2000 4000 6000 8000 10000 cyl 2000 4000 6000 8000 10000 Seek Difference Cyl Seek Difference Cyl MAA31xxxx MAB30xxxx MAC30xxxx The start time is the time from power on or start command to when the IDD is ready and stop time is the time for disks to completely stop from power off or stop command This value indicates at ready mode Up to 4 SCSI devices having capacitance of 25pF or less can use cable length of up to 3 0 m 5 to 8 SCSI devices having capacitance of 25pF or less can use cable length of up to 1 5 m The maximum data transfer rate may be restricted to the response speed of initiator and by transmission characteristics The terminator power p
63. g alternate blocks C141 E035 03EN 2 2 SCSI Function Specifications Table 2 3 shows the SCSI functions provided with the IDD See Appendix E for the SCSI interface functions provided for the IDD Refer to the OEM Manual SCSI Physical Specifications for details or specifications Table 2 3 SCSI function specifications Electrical Single ended type Position where the terminating requirements resistor is mounted on the PCA Differential type Position where the terminating x resistor is mounted on the PCA TERMPWR signal send receive function 0 Non shielded type 50 mil pitch 16 bit SCSI Connector Shielded type Data bus parity Bus arbitration function Disconnection reconnection function 8 bit SCSI 0 to 7 Jumper selection Addressing 16 bit SCSI 0 to 15 Jumper selection LUN logical unit number 0 fixed Asynchronous mode 8 bit SCSI O 6 MB s max 16 bit I Data transfer PU MPa Synchronous mode 8 bit SCSI O 20 MB s max 16 bit SCSI O 40 MB s max Data buffer 512 KB programmable segment buffer 1 to 16 512 to 528 bytes Fixed length O Provided X Not provided Data block length Logical data length Physical data length C141 E035 03EN 2 7 CHAPTER 3 DATA FORMAT 3 1 Data Space 3 2 Logical Data Block Addressing 3 3 Defect Management This chapter explains data space definition logical data block addressing and defect management on the IDD 3 1 Data Space The IDD manages
64. ge capacity 1 4 Leak magnetic flux 4 9 Limitation of side mounting 4 6 Location of connector A 2 Logical data block addressing 3 11 Low noise 1 5 Low power consumption 1 5 Low vibration 1 5 MODE SELECT EXTENDED command 5 18 MODE SELECT command 5 18 MPU 1 8 MR 1 8 MTBF 2 5 MTTR 2 5 Magnet Resistive 1 8 Maintenance information 6 5 Maintenance requirements 6 5 Microcode downloading 1 8 Microprocessing unit 1 9 Mode setting 5 8 Mode settings 5 10 Model name 2 1 D 1 D 2 Motor start mode 5 8 Motor start mode setting 5 8 Mounting drives 5 11 Mounting frame structure 4 6 Mounting orientation 4 6 Mounting procedure 5 11 Mounting requirements 4 1 N Noise filter 4 13 Notes on mounting 4 6 O Online self diagnostics 6 3 Outer view 1 5 1 6 1 7 Output signal 4 19 Output signal for external LED 4 19 PAD 1 3 9 PAD 2 3 9 PAD 3 3 9 PLO sync 3 8 PR4ML 1 8 Packaging 5 2 Partial response class 4 maximum likelihood 1 9 Parts that can be replaced in the field 6 6 Physical sector allocation 3 6 Positioning error rate 2 5 Power cable 4 27 Power on off sequence 4 11 4 12 Power requirements 2 4 4 11 IN 2 C141 E035 03EN Power supply 4 15 Power supply connector 4 15 4 16 4 23 Prefetches 1 3 Preparating after Installation for use 5 13 Preventive maintenance 6 5 Product number 2 1 Programmable data block length 1 4 Programmable multi segment data buffer 1 3 R Random read test 6 5 R
65. gnostics unu Aa 6 1 6 1 2 T st programs oraciones 6 4 6 2 Maintenance Information Bine pene e UD Pe ee HE Re e ER n 6 5 6 2 1 gt Maimten nce requirements inre epe e re Regit pe en pt Pet pte tene ss 6 5 6 2 2 REVISION numb rS diese beet betae eite eH LEE ed 6 7 APPENDIX LOCATIONS OF CONNECTORS SETTING TERMINALS AND TERMINATING RESISTORS eeeeeee eese eene sensn etna sonata aetas A 1 X C141 E035 03EN 1 Locations of Connectors and Setting Terminals MAx3xxxSC SCA2 type 16 bit 0 4 enes nemen eene rene rene A 2 2 Locations of Connectors and Setting Terminals MAx3xxxSP single ended type 16 bit SCSI sese A 3 APPENDIX SETTING en essensen sees B 1 1 Setting Terminals MAx3xxxSP Single ended 16 bit 91 B 2 APPENDIX CONNECTOR SIGNAL ALLOCATION cccsssssssssssessscsesesssessserssesssers C 1 1 SCSI Connector Signal Allocation SCA2 type 16 bit C 2 C 2 SCSI Connector Signal Allocation Single ended type 16 bit SCSI C 3 APPENDIX D MODEL NAMES AND PRODUCT NUMBERS eoocccconcoconoononconincsonncccnanconacos D 1 D 1 Model Names and Product nre nne enne nnne D 2 APPENDIX SCSI INTERFACE FUNCTIONS eeeeeeee eee een tentent tn ste
66. he disk drive connecting the cables and confirming drive operation Chapter 6 DIAGNOSIS and MAINTENANCE This chapter describes the automatic diagnosis and maintenance of the MAA31xxxx MAB30xxxx and MAC30xxxx series disk drive APPENDIX A to E The appendixes give supplementary information including the locations of mounting setting terminals and connectors a list of setting items the signal assignments of interface connectors lists of model names and product numbers and SCSI interface functions The model numbers have a suffix that describes the electrical requirements of the SCSI interface between host system and disk drive the data formatted at the factory and device type C141 E035 03EN CONVENTIONS This manual uses the following conventions for alerts to prevent physical or property damages to users or by standards ADANGER A DANGER indicates that personal injury will occur if the user does not perform the procedure correctly AWARNING A WARNING indicates that personal injury could occur if the user does not perform the procedure correctly ACAUTION A CAUTION indicates that either minor or moderate personal injury may occur if the user does not perform the procedure correctly NOTICE NOTICE indicates that inconvenience to the user such as damages to the product equipment data and or other property may occur if the user does not pay attention or perform the procedure correctly IMPORTANT IMPORTAN
67. he number of cylinders to allocate the number of logical data blocks specified in the number of data blocks field of the block descriptor or the maximum number of cylinders that can be used as the user space on the disk drive is allocated in the user space When 0 is specified both in the number of cylinders field and the number of data blocks field of the block descriptor the maximum number of cylinders that can be used as the user space on the disk drive is allocated in the user space FORMAT UNIT command Initialize all sides of the disk with the FORMAT UNIT command The FORMAT UNIT command initializes all sides of the disk using the P lists verifies data blocks after initialization and allocates an alternate block for a defect block detected with verification With initialization the value 00 is written into all bytes of all logical data blocks Only the position information of defect blocks detected with verification is registered in the G list The specifications are as follows Specifying CDB Specify 0 for the FmtData bit and the CmpLst bit on CDB 000 for the Defect List Format field and data pattern written into the data block at initialization for the initializing data pattern field Format parameter When the values in step a are specified with CDB the format parameter is not needed C141 E035 02EN 5 19 Setting parameters The user can specify the optimal operation mode for the user system environmen
68. icated on the revision label attached to the DE Figure 6 1 shows the revision label format MODEL MAA31825C 1D J A PART NO CA01606 B962 SER NO XXXXXXXX DATE 19XX XX RATING 120 t5 DC DE REY A FUJITSU LIMITED MADE IN JAPAN REV NO EET i2 ER Machine revision IL iil n Figure 6 1 Revision label Indicating revision number at factory shipment When the disk drive is shipped from the factory the revision number is indicated by deleting numbers in the corresponding letter line up to the corresponding number with see Figure 6 2 Changing revision number in the field To change the revision number because parts are replaced or other modification is applied in the field the new level is indicated by enclosing the corresponding number in the corresponding letter line with O see Figure 6 2 Note When the revision number is changed after the drive is shipped from the factory Fujitsu issues Engineering Change Request Notice in which the new revision number is indicated When the user changes the revision number the user should update the revision label as described in item 2 after applying the modification C141 E035 02EN 6 7 At shipment A 2 23 456789 Rev A2 DE REV A LUN N12345 Revising at field REVNO 4 80456 78 9 Rev DE REV A NU N123456 Figure 6 2 Indicating revision numbers C141 E035 02EN APPENDIX LOCATION
69. in SCSI connector which supplies power to other terminators is not used C141 E035 03EN 2 3 2 1 3 Environmental specifications Table 2 2 lists environmental and power requirements Table 2 2 Environmental power requirements eee MAA3182xx MAB3091xx MAB3045xx MAC3091xx MAC3045xx 5 to 50 Non operating 40 to 60 Temperature 1 DE surface temperature at 5 to 55 C operating Gradient 15 C h or less Operating 20 to 80 RH Non operating 20 to 80 RH Relative humidity Packaged inside of a week 5 to 90 RH Maximum wet bulb temperature Operating 3 0 3 mm 5 to 20Hz 0 5G 20 to 250 Hz or less Vibration 2 ibration D pta 3 1 mm 5 to 20Hz 5G 20 to 250Hz or less 4 Packaged 3 1 mm 5 to 20Hz 5G 20 to 250Hz or less 29 C no condensation 5G 11 ms half sin or less Non operating 50G or less SERE 11 ms half sin 60G or less 11 ms half sin Altitute 0 m to 3 000 m above sea level above sea level 0 m to 12 000 m above sea level 12 VDC 5 Ready Average 0 77 0 43 0 27 0 85 0 60 Spin up Seek 2 5 A Max 1 8 A Max 1 8 A Max 2 5 A Max 2 5 A Max Peak within 3 0A 3 0 A 3 0 A 3 0 A 3 0 A Power 100 us at spin up requirements Input power 5 5 VDC 5 6 Ready 0 75 A Random W R 1 1 about 80 IOPS Ripple 7 5 V 100 mVp p 12 V 150 mVp p 1 For detail condition see Section 4 1 2 Vibration applied to the drive is measured at nea
70. ing of the spindle motor from the host system issue the START STOP UNIT command to start the spindle motor c Check the SCSI bus operations with the WRITE BUFFER and READ BUFFER commands Use data whose data bus bits change to 0 or 1 at least once Example Data with an increment pattern of X 00 to X FF d Start the IDD self diagnostic test with the SEND DIAGNOSTIC command and check the basic operations of the controller and disk drive C141 E035 02EN 5 15 Motor starts when power is turned on For Figure 5 5 No report UNIT ATTENTION report mode SCSI standard TEST UNIT READY command Yes REQUEST SENSE command Self test 1 Unit Of 1 No parameter Timeout 30 s or more REQUEST SENSE command 2 Processing when the command ended with CHECK CONDITION status Including execution time Abnormal end of initial self diagnostics REQUEST SENSE command Figure 5 4 Checking the SCSI connection A 5 16 C141 E035 02EN Motor starts by START STOP command command No Yes REQUEST SENSE command UNIT ATTENTION report mode No report SCSI standard BS m NOT READY gt e Yes Yes START STOP UNIT command Immed 0 GOOD status b REQUEST SENSE command To Figure 5 4 ncluding executing time of initial self diagnostics Abnormal end Figure 5 5 Checking the SCSI connection B C141 E035 02EN 5 17 2
71. inks periodically Remark The spindle motor may or may not start rotating in this stage c When the IDD status is idle the LED on the front panel remains off when the initiator accesses the IDD via the SCSI bus the LED lights Initial operation in the case of setting so that motor starts with START STOP command a When power is turned on the LED blinks an instant and the IDD executes initial self diagnosis b If an error is detected in the initial self diagnosis the LED on the front panel blinks C141 E035 02EN 5 13 3 5 14 9 e The spindle motor does not start rotating until the START STOP UNIT command for the start is issued The INIT needs to issue the START STOP UNIT command to start the spindle motor by the procedure in Subsection 5 6 2 The disk drive enters the READY status in 30 seconds after the START STOP UNIT command is issued At this time the IDD reads system information from the system space on the disk The LED blinks during command execution Check items at illegal operation a b c d Check that cables are mounted correctly Check that power and voltages are supplied correctly measure them with the IDD power connection position Check the setting of each setting terminal Note that the initial operation depends on the setting of the motor start mode and LED display requirements If an error is detected in initial self diagnosis the LED on the front panel blink
72. k allocation is made to initialize format the disk If a defective data block is detected during the check the IDD generates the C list for defect location information and allocates the alternate block to the defective data block This alternate block allocation is made by means of alternate sector treatment only like processing by the REASSIGN BLOCKS command even if unused spare sectors exists in the same cylinder C141 E035 01EN 2 Alternate block allocation by REASSIGN BLOCKS command When the REASSIGN BLOCKS command is specified the alternate block is allocated to the defective logical data block specified by the initiator by means of alternate sector treatment If there are unused spare sectors in the same cylinder as the specified defective logical data block the alternate block is allocated to these unused spare sectors However the alternate block is allocated to unused spare sectors in the alternate cylinder when all spare sectors in the cylinder are used up Figure 3 8 is examples of the alternate block allocation by the REASSIGN BLOCKS command nm 1 Ressign Block 14 Example 2 Ressign Block 16 8 z 18 19 20 122 23 2425 26 27 S S 122 23 24 25 26 27 S S 25 25126127 Alternate sectors Alternate sector The same cylinder Alternate cylinder an BBE 9 10 11 X 12 13 A 2 8 9 12 BLE OU HEDE io po 23 n represe
73. led up with 3 kQ resistor internally it is necessary to connect the external terminating resistor For details of spindle synchronization function refer to Section 3 1 in the SCSI Logical Interface Specifications ACAUTION Make the CN1 A6 pin or CN7 10 pin open when not having the IDD carry out spindle synchronization d DISCON disable terminator connection TERMON terminator on Input signal The CN1 A9 TERMON or CN6 06 DISCON pin setting specifies whether to operate the terminating resistor built in to the IDD Table 4 2 shows the electrical requirements See Subsection 5 4 4 for the requirements for terminating resistor operation Table4 2 External inputs for operating terminating resistor 16 bit single ended type 0 to 0 4 VDC The terminating resistor operates Open The terminating resistor does not operate Note When the external operator panel is connected to the CN1 A9 pin and the operation of the terminating resistor is set on the external operator panel the corresponding CN6 06 pin must always be set to open See Subsection 5 3 3 4 20 C141 E035 02EN 6 Cable connection requirements The requirements for cable connection between the IDD host system and power supply unit are given in Figure 4 23 Recommended components for connection are listed in Table 4 1 External operator panel example To next SCSI device S3 or S4 or CN7 Host system
74. listed in Figure 3 6 Pattern X 00 is written on the gap field 2 PLO Sync In this field pattern X 00 in the length in bytes listed in Figure 3 6 is written 3 Trailing TRNG Sync Byte SB In this field special pattern in the length in bytes listed in Figure 3 6 is written 4 LBA The logical block address is written in this field 5 Data field User data is stored in the data field of the sector The length of the data field is equal to that of the logical data block which is specified with a parameter in the MODE SELECT command Any even number between 512 and 528 bytes can be specified as the length 3 8 C141 E035 02EN 6 7 8 9 BCRC It is a 2 byte error detection code Errors in the ID field Single burst errors with lengths of up to 16 bits for each logical block can be detected ECC 24 byte data error detection correction code for the data field It is possible to on the fly correct the single burst errors with lengths of up to 89 bits PAD 1 A specified length of x 00 pattern shown in Figure 3 6 is written in this field This field includes the variation by rotation and circuit delay till reading writing PAD 2 PAD 3 A specified length of x 00 pattern shown in Figure 3 6 is written in this field This field contains the processing time necessary to process next sector continuously This field have rotational speed variation C141 E035 02EN 3 9 3 1 5 3 10 Format capaci
75. lt mode settings by CHANGE DEFINITION command SCSI level SCSI 2 SYNCHRONOUS DATA TRANSFER REQUEST message Sent from IDD sending UNIT ATTENTION report mode WIDE DATA TRANSFER REQUEST message sending Sent from IDD Reselection time out delay 0 sec MAx3xxxSP Spindle motor start delay time 12 sec x SCSI ID MAx3xxx5C 5 10 C141 E035 02EN 5 4 Mounting Drives 5 4 1 Check before mounting Reconfirm if the setting terminals are set correctly before mounting the drive in the system cabinet For setting terminals location see Section 5 3 1 Single ended 16 bit SCSI model MAx3xxxSP Reconfirm if the setting terminals are set correctly according to Table 5 7 Table 5 7 Setting check list MAx3xxxSP Setting contents Setting terminal CN6 1 Terminal E Terminal power supply CN6 1 2 2 E Short TN A Motor start Motor start mode CN6 3 4 4 O Short short Connection of terminating CN6 5 6 O Short Open resistor on SCSI interface Setting Setting contents Setting Check Remarks Check item position terminal CN7 T ID 5 4 2 Mounting procedures Since mounting the drive depends on the system cabinet structure determine the work procedures considering the requirements specific to each system The general mounting method and items to be checked are shown below See Subsection 4 2 for the details of requirements for installing the IDD 1 With a system to which an external operator
76. mand Specify the format attributes on the disk with the MODE SELECT or MODE SELECT EXTENDED command The parameters are as follows a Block descriptor Specify the size byte length of the logical data block in the data block length field To explicitly specify the number of logical data blocks specify the number in the number of data blocks field Otherwise specify O in number of data blocks field In this case the number of logical data blocks after initialization is determined by the value specified in the format parameter page code 3 and drive parameter page code 4 C141 E035 02EN 2 Format parameter page code 3 Specify the number of spare sectors for each cylinder in the alternate sectors zone field and specify the number of tracks for alternate cylinders number of alternate cylinders number of disk drive heads in the alternate tracks zone field It is recommended not to specify values smaller than the IDD default value in this field Drive parameter page code 4 To explicitly specify the number of cylinders in the user space specify the number in the number of cylinders field Note that the number of alternate cylinders specified by the format parameter page code 3 is included in the number of cylinders in the user space When the number of cylinders need not be specified specify 0 or the default value in the number of cylinders field In this case either of the smaller value between t
77. mber of blocks with maximum prefetch restrictions X FFFF Number of segments X4 Notes 1 When Read Ahead caching operations are disabled by the caching parameter these parameter settings have no meaning except write cache feature 2 Determine the parameters in consideration of how the system accesses the disk When the access form is not determined uniquely because of the processing method the parameters can be re set actively 3 For sequential access the effective access rate can be increased by enabling Read Ahead caching operations and Write Cache feature 4 Control mode parameters The following parameters are used to control the tagged queuing and error logging C141 E035 02EN 5 23 Control mode parameters Parameter Default value Queue algorithm modifier 0 Ordering is Q g g executed by read command only QErr Resume or abort remaining suspended 0 command is commands after sense pending state resumed DQue Disabling tagged command queuing 0 enabled 5 7 Dismounting Drives Since dismounting the drive to check the setting terminals change the setting or change the drive depends on the structure of the system cabinet the work procedures must be determined in consideration of the requirements specific to the system This section describes the general procedures and notes on dismounting the drive a b 9 e ACAUTION 1 Dismount the drive after disconnecting system power Do not r
78. mounting 1 f Upright mounting 2 Figure 4 5 IDD orientation 4 1 3 Notes on mounting 1 Mounting frame structure To guarantee integrity of the IDD disk enclosure DE insulation once mounted on the frame inside the system special attention must be given to the note below Note Generally SG and FG are connected at one point in the system enclosure Therefore use following procedure to maintain the insulation when mounting the IDD a Use the frame with an embossed structure or the like to avoid contact between the DE base and FG Mount the IDD with making a gap of 2 5 mm or more between the IDD and the frame of the system b As shown in Figure 4 6 the inward projection of the screw from the IDD frame wall at the corner must be 4 mm or less 4 6 C141 E035 02EN c Tightening torque of screw must be secured with 6kg cm Damage To absolutely guarantee integrity of the IDD disk enclosure DE insulation once actually mounted to the frame inside the system special attention must be given to the cautionary notes below Bottom side mounting Side side mounting 2 5 or more 2 5 or more ca e 2 5 or _ more A 2n y 2 5 or A more System Frame of system cabinet cabinet 4 or less 2 5 or 4 or less SN R 2 5 screw more Screw Details of A Details of B Unit mm Figure 4 6 Mounting frame structure 2 Limitation of side mounting Mount
79. n seen seen seen sena E 1 E 1 SCSI interface function 1 E 2 j IN 1 C141 E035 03EN xi 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 4 10 4 11 4 12 4 13 4 14 4 15 4 16 xii FIGURES page 1 o ter VIEW E 1 5 MAAXSTXXSP Outer VIEW e cela Gba a EE thes Pe ee Ee E YR ARE D Ex 1 6 MAB30xxSC outer VIEW ERE te euet et odes edet tee npe e de 1 6 MAB30xxSP out t VIEW ettet tete tue tle t n i eR a 1 7 MAC30xxSC outer View sr ringere e esee eae dene dee ees 1 7 MAC30xxSP Outer eese editt een 1 7 Disk head configuration 3 ae eee aee peer teet tela 1 8 System configuration ando oe neo rebns esed 1 10 Cyhnder contfigur tion eir etri dee tectae bea dde Lee eed miei 3 2 Sp r are aan cylinders ein eee o en te eo E e ebrei RS 3 5 etie ett i i egt re tu leo edd 3 5 Track format 3 6 Track skew cylinder skew dnd ide 3 7 Sector format A re ket eee 3 8 Alternate block allocation by FORMAT UNIT command eee 3 14 Alternate block allocation by REASSIGN BLOCKS 3 15 External dimensions 1 eere nennen 4 2 Extern
80. nostic purposes only and its data block length is always 512KByte The Internal test space consists of only cylinder and outer host cylinder is always assigned The user cannot change the number of cylinders in the Internal test space or their positions The IDD reads or writes the data block in the Internal test space during the self diagnostic test specified with aSEND DIAGNOSTIC command System space The system space is an area for exclusive use of the IDD itself and the following information are recorded The length of the data block is always 512 bytes Defect list P list and G list MODE SELECT parameter saved value Statistical information log data Controller control information The above information are duplicated in several different locations for safety Note The system space is also called SA space C141 E035 03EN Alternate spare area The alternate spare area is provided in the last track of each primary cylinder in the user space and in the last track of the cylinder and the alternate cylinder The spare area in each cylinder is placed at the end of the last track as shown in Figure 3 2 These spare sectors are located in the end of the track logically not necessarily located at the end physically because of track skew or cylinder skew Details are explained on Subsection 3 1 3 Size can be specified by the MODE SELECT command The number of spare sectors per cylinder can be specified exceeding 32 The
81. ntinues blinking even if the error information sense data is read Only when the SCSI bus is reset the BUS DEVICE RESET message is issued or the power is turned off or re turned on the status can be cleared When this status is cleared the IDD executes the initial self diagnostics again see item 1 Refer to Chapter 3 of SCSI Logical Interface Specifications for further details of the command specifications Notes When the SEND DIAGNOSTIC command terminates with the CHECK CONDITION status the INIT must collect the error information using the REQUEST SENSE command The RECEIVE DIAGNOSTIC RESULTS command cannot read out the error information detected in the self diagnostics Test programs The basic operations of the IDD itself can be checked with the self diagnostic function However to check general operations such as the host system and interface operations in a status similar to the normal operation status a test program that runs on the host system must be used The structure and functions of the test program depend on the user system requirements Generally it is recommended to provide a general input output test program that includes SCSI devices connected to the SCSI bus and input output devices on other I O ports Including the following test items in the test program is recommended to test the IDD functions generally C141 E035 02EN 1 2 3 4 6 2 1 2 Interface SCSI bus test The
82. nts a logical data block number Defective sector Unused spare sector Figure 3 8 Alternate block allocation by REASSIGN BLOCKS command C141 E035 01EN 3 15 3 3 16 Automatic alternate block allocation If the ARRE flag in the MODE SELECT parameter permits the automatic alternate block allocation the IDD automatically executes the alternate block allocation and data duplication on the defective data block detected during the READ EXTENDED command This allocation method is the same as with the REASSIGN BLOCKS command alternate sector treatment IMPORTANT Automatic alternate block allocation is made only once during the execution of one command If second defective block is detected the alternate block assignment processing for the first defective block is executed but the alternate block assignment processing for the second one is not executed and the command being executed terminates However the initiator can recover the twice error by issuing the same command again When an error is detected in a data block in the data area recovery data is rewritten and verified in automatic alternate block allocation during the execution of the READ or READ EXTENDED command Alternate block allocation will not be made for the data block if recovery is successful Example Even if the data error which is recoverable by the WRITE LONG command is simulated automatic alternate block allocation will not be made fo
83. of the SCSI 2 1 Hardware Specifications 2 1 1 Model name and part number Each model has a different data format and front panel type when shipped See Appendix D for the model name type and product number The data format can be changed by reinitializing with the user s system C141 E035 03EN 2 1 2 1 2 Function specifications Table 2 1 shows the function specifications of the IDD Table 2 1 Function specifications Unformatted capacity track 81 920 to 126 976 85 504 to 126 976 79 872 to 126 976 Number of rotations rpm 7 200 0 5 10 033 0 5 Seek time 3 Minimum 0 9 ms Read 0 8 ms Read Read Write 1 1 ms Write 1 0 ms Write Average 8 0 ms Read 7 5 ms Read 9 0 ms Write 8 5 ms Write Maximum 17 0 ms Read 16 0 ms Read 18 0 ms Write 17 0 ms Write Start stop time Start time 30 s typ 60 s max 4 Stop time 30 s typ Recording mode PR4ML Recording density 121 000 to 159 000 bpi 116 093 to 159 084 bpi Track density 9 620 TPI 9 200 TPI External dimensions Power 16bit SCSI consumption 5 UE ended type 13W 9W 14W Interface FastSCSI SCSI Cable length 6 m max Fast 20 SCSI Cable length 3 m max 6 Cable length 1 5 max 7 Data transfer Disk drive 12 3 to rate 8 19 5 MB s 13 2 to 19 5 MB s 17 2 to 27 2 MB s SCSI Asynchronous m d 12 MB s max Synchronous mode 40 MB s max Logical data block length 1 512 to 528 byte Fixed length SCSI command speci
84. operations of the SCSI bus and data buffer on the IDD are checked with the WRITE BUFFER and READ BUFFER commands Basic operation test The basic operations of the IDD are checked by executing self diagnosis with the SEND DIAGNOSTIC command see Subsection 6 1 1 Random sequential read test The positioning seek operation and read operation are tested in random access and sequential access modes with the READ READ EXTENDED or VERIFY command Write read test By using a data block in the internal test space the write read test can be executed with an arbitrary pattern for a disk drive in which user data is stored Maintenance Information Maintenance requirements Preventive maintenance Preventive maintenance such as replacing air filters is not required ACAUTION Do not open the DE in the field because it is completely sealed Service life The service life under suitable conditions and treatment is as follows The service life is depending on the environment temperature Therefore the user must design the system cabinet so that the average DE surface temperature is as possible as low DE surface temperature 45 or less 5 years DE surface temperature 46 to 50 4 years e DE surface temperature 51 C to 55 C 3 years e DE surface temperature 56 C and more strengthen cooling power so that DE surface temperature is 55 C or less Even if the IDD is used intermittently the longest service life is 5 years
85. or a target can be connected to the SCSI bus for the 8 bit SCSI and up to 16 SCSI devices operating as an initiator or a target can be connected to the SCSI bus for the 16 bit SCSI in any combination For example the system can be configured as multi host system on which multiple host computers that operate as initiator or connected through the SCSI bus Using disconnect reconnect function concurrent input output processing is possible on multi SCSI devices C141 E035 02EN 2 Addressing of peripheral device Each SCSI device on the bus has its own unique address SCSI ID n in Figure 1 6 For input output operation a peripheral device attached to the SCSI bus that operates as target is addressed in unit called as logical unit A unique address LUN logical unit number is assigned for each logical unit The initiator selects one SCSI device by specifying that SCSI ID then specifies the LUN to select the peripheral device for input output operation The IDD is constructed so that the whole volume of disk drive is a single logical unit the selectable number of SCSI ID and LUN are as follows e SCSIID 8 bit SCSI Selectable from 0 to 7 switch selectable 16 bit SCSI Selectable from 0 to 15 switch selectable e LUN 0 fixed C141 E035 02EN 1 11 CHAPTER 2 SPECIFICATIONS 2 1 Hardware Specifications 2 2 SCSI Function Specifications This chapter describes specifications of the IDD and the functional specifications
86. panel is mounted if it is difficult to access the connector after the drive is mounted on the system cabinet connect the external operator panel cable before mounting the drive 2 Fix the drive in the system cabinet with four mounting screws as follows e The drive has 10 mounting holes both sides 3 x2 bottom 4 Fix the drive by using four mounting holes of both sides or the bottom C141 E035 01EN 5 11 5 5 5 12 e Use mounting screws whose lengths inside the drive mounting frame are 4 mm or less when the screws are tightened see Figure 4 6 e When mounting the drive be careful not to damage parts on the PCAs 3 Check that the DE signal ground does not touch the system cabinet chassis frame ground There must be a 2 5 mm or more space between the DE and chassis see Figure 4 6 Connecting Cables Connect the IDD and system with the following cables See Section 4 4 for further details of the requirements for IDD connector positions and connecting cables Power cable SCSI cable External operator panel cable if required Spindle sync cable The general procedures and notes on connecting cables are described below Especially pay attention to the inserting direction of each cable connector ACAUTION 1 Check that system power is off before connecting or disconnecting cables 2 Do not connect or disconnect cables when power is on a Connect power cable b Connect the external operator panel if requi
87. r can control the disconnect reconnect timing on the SCSI bus by specifying the condition of stored data to the data buffer or empty condition of the data buffer the initiator can perform the effective input output operations with utilizing high data transfer capability of the SCSI bus regardless of actual data transfer rate of the disk drive Read ahead cache feature After executing the READ command the IDD reads automatically and stores prefetches the subsequent data blocks into the data buffer Read ahead caching The high speed sequential data access can be achieved by transferring the data from the data buffer without reaccessing the disk in case the subsequent command requests the prefetched data blocks Command queuing feature The IDD can queue maximum 128 commands and optimizes the issuing order of queued commands by the reordering function This feature realizes the high speed processing Recordering algorithm is adopted to prevent a specific command from staying in a queue for more than 3 seconds Reserve and release functions The IDD can be accessed exclusively in the multi host or multi initiator environment by using the reserve and release functions C141 E035 03EN 1 3 10 11 12 13 14 15 16 17 Error recovery The IDD can try to recover from errors in SCSI bus or the disk drive using its powerful retry processing If a recoverable data check occurs error free data can be transferred
88. r the data block C141 E035 01EN CHAPTER 4 INSTALLATION REQUIREMENTS 4 1 Mounting Requirements 4 2 Power Supply Requirements 4 3 Connection Requirements This chapter describes the environmental mounting power supply and connection requirements 4 1 Mounting Requirements 4 1 1 External dimensions Figures 4 1 to 4 4 show the external dimensions of the IDD and the positions of the holes for the IDD mounting screws Note Dimensions are in mm C141 E035 02EN 4 1 10 6 32UNC 26 035 0 5 44 4t0 3 Figure 4 1 External dimensions MAA31xxSC C141 E035 02EN 146 0 0 5 10 46 32UNC 41 28 0 5 41 6 0 3 44 4 0 3 146 0 0 5 95 2 0 3 Figure 4 2 External dimensions MAA31xxSP C141 E035 02EN 4 3 LO o a M 26 035 0 5 10 6 32UNC 44 4 0 3 146 0 0 5 y 60 32 95 2 0 3 101 6 0 5 Figure 4 3 External dimensions MAB30xxSC MAC30xxSC 4 4 C141 E035 03EN 25 4 0 5 10 6 3eUNC 44 440 3 146 0 0 5 95 2 0 3 Figure 4 4 External dimensions MAB30xxSP C30xxSP C141 E035 03EN 4 1 Mounting The permissible orientations of the IDD are shown in Figure 4 5 and the tolerance of the angle 15 57 from the horizontal plane Direction of gravity OI d Vertical 2 e Upright
89. r the mounting screw hole on the frame as much as possible 3 At random seek write read and default on retry setting with log sweep vibration 4 At power off state after installation Vibration displacement should be less than 2 5 mm 5 Input voltages are specified at the connector 2 4 C141 E035 03EN 6 7 1 2 1 2 The terminator power pin SCSI connector which supplies power to other terminators is not used See Section 4 3 High frequency noise is less than 100 mVp p Error rate Errors detected during initialization and replaced by alternate block assignments are not included in the error rate Data blocks to be accessed should be distributed over the disk medium equally Unrecoverable error rate Errors which cannot be recovered within 63 retries and ECC correction should not exceed 10 per 10 bits Positioning error rate Positioning errors which can be recovered by one retry should be 10 or less per 10 seeks Reliability Mean Time Between Failures MTBF MTBF of the IDD during its life time is 1 000 000 hours operating 24 hours day 7 days week average DE surface temperature 40 C or less Note The MTBF is defined as Operating time hours at all field sites MTBF The number of equipment failures from all field sites Failure of the equipment means failure that requires repair adjustments or replacement Mishandling by the operator failures due to bad environmental
90. red for system c Connect the SCSI cable d Fix the cables so that they do not touch the DE and PCAs or so that the smooth flow of the cooling air in the system cabinet is assured C141 E035 02EN 5 6 1 2 ACAUTION I Be careful of the insertion directions of the SCSI connectors With the system in which terminating resistor power is supplied via the SCSI cable if the power is turned on the overcurrent protection fuse of the terminating resistor power supplier may be blown or the cable may be burnt if overcurrent protection is not provided When the recommended parts listed in Table 4 1 are used inserting the cables in the wrong direction can be prevented 2 To connect SCSI devices be careful of the connection position of the cable Check that the SCSI device with the terminating resistor is the last device connected to the cable Confirming Operations after Installation and Preparation for use Confirming initial operations This section describes the operation check procedures after power is turned on Since the initial operation of the IDD depends on the setting of the motor start mode check the initial operation by either of the following procedures Initial operation in the case of setting so that motor starts at powering on a When power is turned on the LED blinks an instant and the IDD executes initial self diagnosis b If an error is detected in the initial self diagnosis the LED on the front panel bl
91. rement in b or c is satisfied e system containing an SCSI device which is not designed to prevent noise from leaking to the SCSI bus the requirement given in Figure 4 14 must be satisfied between that SCSI device and the IDD SCSI devices without noise leaking designed 5VDC IDD 5VDC Ti 20 T2 gt 0 Figure 4 14 Power on off sequence 3 4 12 C141 E035 02EN 4 5 6 Sequential starting of spindle motors After power is turned on to the IDD a large amount of current flows in the 12 VDC line when the spindle motor rotation starts Therefore if more than one IDD is used the spindle motors should be started sequentially using one of the following procedures to prevent overload of the power supply unit For how to set a spindle motor start control mode see Subsection 5 3 2 a Issue START STOP commands at 20 second intervals to start the spindle motors For details of this command specification refer to SCSI Logical Interface Specifications b Turn on the 12 VDC power in the power supply unit at 20 second intervals to start the spindle motors sequentially Power supply to SCSI terminating resistor If power for the terminating resistor is supplied from the IDD to other SCSI devices through the SCSI bus the current carrying capacity of the 5 VDC power supply line to the IDD must be designed with considering of an increase of up to 200 mA A method of power supply to the terminating resistor is
92. rements see Items 4 and 5 below Current waveform reference Figure 4 11 shows the waveform of 12 VDC MAA31xxxx MAC30xxxx current wave form MAB30xxxx current wave form Figure 4 11 Current waveform 12 VDC Power on off sequence a The order of the power on off sequence of 5 VDC and 12 VDC supplied to the IDD does not matter b Ina system which uses the terminating resistor power supply signal TERMPWR on the SCSI bus the requirements for 5 VDC given in Figure 4 12 must be satisfied between the IDD and at least one of the SCSI devices supplying power to that signal SCSI device supplying power 4 0V 4 0V to TRMPWR 5 T IDD 4 0V 4 0V 45VDC Ti gt 0 T220 Figure 4 12 Power on off sequence 1 C141 E035 03EN 4 11 In a system which does not use the terminating resistor power supply signal TERMPWR on the SCSI bus the requirements for 5 VDC given in Figure 4 13 must be satisfied between the IDD and the SCSI device with the terminating resistor circuit SCSI devices with the terminating resistor 5VDC IDD 5VDC gt 0 gt 0 Figure 4 13 Power on off sequence 2 4 Between the IDD and other SCSI devices the SCSI bus 5 VDC power on off sequence is as follows e system with its all SCSI devices designed to prevent noise from leaking to the SCSI bus when power is turned on or off the power sequence does not matter if the requi
93. rite Reallocation Enabled X Specified value ignored ARRE Automatic Read Reallocation Enabled TB Transfer Block RC Read Continuous EER Enable Early Recovery Command PER Post Error Group 0 DTE Disable Transfer on Error x Specified value ignored DCR Disable Correction O Changeable Retry count at read O Changeable Correctable bit length O Not changeable Head offset count Data strobe offset count Retry count at write Recovery processing time restriction Page 2 Disconnection reconnection Buffer full ratio Buffer empty ratio Bus inactivity restriction Disconnection time restriction Connection time restriction Maximum burst length data transfer disconnect control O Changeable 1 Fujitsu specific function E 4 C141 E035 02EN Table E 1 SCSI interface function specifications 4 of 8 Provided x Not provided MODE SELECT command Page 3 Format parameter O 24 B Savable Command Group 0 Number of tracks zone Number of alternate sectors zone Number of alternate tracks zone Number of alternate tracks drive Number of alternate sectors track Data byte length physical sector Interleave factor Track skew factor Cylinder skew factor SSEC HSEC Soft Sector Head Sector RMB Removable SURF Surface Page 4 Drive parameter Number of cylinders Number of heads Write Precompensation start cylinder Reduced Write Current start cylinder Drive st
94. s In this case it is recommended to issue the REQUEST SENSE command from the initiator host system to obtain information sense data for error analysis IMPORTANT The LED lights during the IDD is executing a command However in same commands the lighting time is only an instant Therefore it seems that the LED blinks or the LED remains off C141 E035 02EN 1 Checking SCSI connection When the initial operation is checked normally after power is turned on check that the IDD is connected to the SCSI bus from the host system Although checking the connection depends on the structure of the host system this section describes the general procedures Checking procedure Issuing the commands and determining the end status depends on the start mode of the spindle motor and UNIT ATTENTION report mode specified with setting terminal Figure 5 4 shows the recommended checking procedure for the mode that the motor starts when power is turned on Figure 5 5 shows for the mode that the motor starts by the START STOP command In these recommended checking procedures following items are checked Note Following steps a to e correspond to a to e in Figures 5 4 and 5 5 a Issue the TEST UNIT READY command and check that the IDD is connected correctly to the SCSI bus and the initial operation after power is turned on ended normally The command issue period of the TEST UNIT READY command shall be more than 20 ms b To control start
95. selected with a setting terminal on the IDD See Subsection 5 3 2 for this selection For the electrical condition of supplying power to the terminating resistor refer to Subsection 1 4 2 in SCSI Physical Interface Specifications Noise filter To eliminate AC line noise a noise filter should be installed at the AC input terminal on the IDD power supply unit The specification of this noise filter is as follows e Attenuation 40 dB or more at 10 MHz e Circuit construction T configuration as shown in Figure 4 15 is recommended Input O C Output Figure 4 15 AC noise filter recommended C141 E035 02EN 4 13 4 3 Connection Requirements 4 3 1 Single ended 16 bit SCSI model MAA31xxSP MAB30xxSP 0 5 1 Connectors Figures 4 16 show the locations of connectors and terminals on the single ended 16 bit SCSI model e Power supply connector e SCSI connector e External operator panel connector External operator panel Spindle sync connector Power supply connector CN1 External operator panel connector CNI SCSI connector CN 1 Figure 4 16 Connectors and terminals location single ended 16 bit SCSI 4 14 C141 E035 03EN 2 SCSI connector and power supply connector a 16 bit SCSI The connector for the SCSI bus is an unshielded P connector conforming to SCSI 3 type which has two 34 pin rows spaced 1 27 mm 0 05 inch apart Figure 4 17 shows the SCSI connector See Section C3 in
96. sfer rate on the 8 bit SCSI bus is 6 MB s maximum in asynchronous mode 20 MB s in synchronous mode 16 bit SCSI The data transfer rate on the 16 bit SCSI bus is 12 MB s maximum in asynchronous mode 40 MB s in synchronous mode Such a high data transfer rate on the SCSI bus can be useful with the large capacity buffer in the IDD C141 E035 02EN 5 6 7 8 9 Note The maximum data transfer rate in asynchronous mode may be limited by the response time of initiator and the length of SCSI bus length The maximum data transfer rate in synchronous mode on the single ended SCSI bus may be limited by the cable length transmission characteristics of the SCSI bus and the connected SCSI device number Continuous block processing The addressing method of data blocks is logical block address The initiator can access data by specifying block number in a logically continuous data space without concerning the physical structure of the track or cylinder boundaries The continuous processing up to 64K 1 blocks in a command can be achieved and IDD can perform continuous read write operation when processing data blocks on several tracks or cylinder 512 KB programmable multi segment data buffer Data is transferred between SCSI bus and disk media through the embedded 512 KB data buffer in the IDD This buffer can be divided into maximum 16 areas This feature provides the suitable usage environment for users Since the initiato
97. stallation or maintenance is shown in Figures 4 9 Surface P Setting terminal External operator panel connector Surface Hole for mounting screw Surface P Cable connection Surface Q Hole for mounting screw Figure 4 9 Service clearance area 5 External magnetic field The drive should not be installed near the ferromagnetic body like a speaker to avoid the influence of the external magnetic field 6 Leak magnetic flux The IDD uses a high performance magnet to achieve a high speed seek Therefore a leak magnetic flux at surface of the IDD is large Mount the IDD so that the leak magnetic flux does not affect to near equipment 7 Others A hole or screw portion as shown in Figure 4 10 is used for adjusting air pressure balance between inside and outside the DE Do not fill with a seal or label Seals on the DE prevent the DE inside from the dust Do not damage or peel off labels C141 E035 02EN 4 9 MAA31xxxx Air pressure adjustment hole MAB30xxxx Air pressure adjustment hole MAC30xxxx Air pressure adjustment hole Figure 4 10 Air pressure adjustment hole C141 E035 03EN 10 4 2 1 2 3 Power Supply Requirements Allowable input voltage and current The power supply input voltage measured at the power supply connector pin of the IDD receiving end must satisfy the requirement given in Subsection 2 1 3 For other requi
98. the entire data storage area divided into the following three data spaces e User space Storage area for user data e Internal test space Reserved area for diagnostic purposes e System space Area for exclusive use of IDD itself The user space allow a user access by specifying data These space can be accessed with the logical data block addressing method described in Section 3 2 The internal test space is used by Read write test of self diagnostics test but user can t use direct access The system space is accessed inside the IDD at power on or during the execution of a specific command but the user cannot directly access the system space Cylinder configuration The IDD allocates cylinders to the user space Internal test space and system space Figure 3 1 is the cylinder configuration Spare areas alternate areas for defective sectors are provided in the user space Several sectors in the last track of one cylinder and several cylinders alternate cylinders in the user space are allocated as alternate areas according to the user s assignment MODE SELECT command See Subsection 3 1 2 for details C141 E035 01 EN 3 1 Sector0 123 n Cylinder Internal test cylinder Internal test space Cylinder 33 Po cylinder x 29 ru System space Cylinder 4 cylinder 0 ma E Track 0 1 Cylinder 0 Primary Cylinder 0 Spare sector for each cylinder Cylinder 1
99. the side using the screw holes at both the ends as shown in Figure 4 7 Do not use the center hole Figure 4 7 Limitation of side mounting C141 E035 03EN 3 Environmental temperature Temperature condition at installed in a cabinet is indicated with ambient temperature measured 3 cm from the disk drive At designing the system cabinet consider following points e Make suitable air flow so that the DE surface temperature does not exceed 55 C ACAUTION An air flow with an adequate wind velocity must be maintained to deal with much heat generated from the MAC30xxxx Reference value An air flow with a wind velocity of more than 0 5 m s is required in an environment at 40 C and an air flow with a wind velocity of more than 1 0m s in an environment at 45 C Center of DE cover 55 C e Cool the PCA side especially with air circulation inside the cabinet Confirm the cooling effect by measuring temperature of specific ICs and the DE These measurement results should be within a criteria listed in Table 4 1 Table 4 1 Surface temperature check point No Measurement point Center of DE cover 39 55 Figure 4 8 Surface temperature measurement points MAA31xxxx MAB30xxxx MAC30xxxx 4 8 C141 E035 03EN 4 Service clearance area The service clearance area or the sides which must allow access to the IDD for in
100. tion available at the disk drive shipment and is recorded in a system space The defects in this list are permanent so the INIT must execute the alternate block allocation using this list when initializing the disk e D list Data defect list This list consists of defect location information specified in a FORMAT UNIT command by the INIT at the initialization of the disk This information is recorded in the system space of the disk drive as the G list To execute the alternate block allocation the FORMAT UNIT command must be specified C list Certification defect list This list consists of location information on defective blocks which are detected by the verifying operation certification of the data block after the initiation when executing the FORMAT UNIT command The IDD generates this information when executing the FORMAT UNIT command and the alternate block allocation is made upon the defective block This information is recorded in the system space of the disk drive as the G list e G list Growth defect list This list consists of defective logical data block location information specified in a REASSIGN BLOCKS command by the INIT information on defective logical data blocks assigned alternate blocks by means of IDD automatic alternate block allocation information specified as the D list and information generated as the C list They are recorded in the system space on the disk drive The INIT can read out the contents of the P
101. to the initiator after being corrected in the data buffer The initiator software is released from the complicated error recover processing by these error recovery functions of the IDD Automatic alternate block reassignment If a defective data block is detected during read the IDD can automatically reassign its alternate data block Programmable data block length Data can be accessed in fixed block length units The data block length is programmable and can at initializing with a multiple of two for the 512 to 528 bytes Defective block slipping logical data block can be reallocated in physical sequence slipping the defective data block at formatting This results in high speed contiguous data block processing without a revolution delay due to defective data block High speed positioning rotary voice coil motor achieves fast positioning Large capacity large capacity can be obtained from 3 5 inch disk drives by dividing all cylinders into several partitions and changing the recording density on each partition constant density recording The disk subsystem with large capacity can be constructed in the good space efficiency Start Stop of spindle motor Using the SCSI command the host system can start and stop the spindle motor Diagnosis The IDD has a diagnostic capability which checks internal controller functions and drive operations to facilitate testing and repair C141 E035 03EN 18 19 20
102. trol mode page O 8 B Savable RLEC Report Log Exception Condition x Specified value ignored Queue Algorithm modifier O Changeable QErr Queue Error management O Changeable DQue Disable Queuing O Changeable EECA Enable Extended Contingent Allegiance RAENP Ready AEN Permission UAAENP Unit Attention AEN Permission EAENP Error Attention AEN Permission Ready AEN Holdoff period Page 21 Additional error recovery VU 1 O 4 Savable RPR Rounded Parameter Report Retry count at seek error O Changeable Third party reserve function Extent reserve function Reserve condition change function Superseding reserve 1 Fujitsu specific function E 6 C141 E035 02EN Table E 1 SCSI interface function specifications 6 of 8 Command Group 0 PF Page Format Self Test Self Test DevOfl Device Offline Unit Ofl Unit Offline Page 0 Specifiable page code listing O Provided Not provided O Specified value Page 40 Logical physical address conversion Page 80 Mode setup state report Page 81 Device specific information REVENT ALLOW MEDIUM REMOVAL VU VU Command SEARCH BLOCK LOW VU Group 1 READ CAPACITY PMI Parial Medium Indicator WRITE EXTENDED WRITE amp VERIFY Command BytChk Byte Check Group 0 VERIFY Third party reserve function 1 Fujitsu specific function C141 E035 02EN VU 1 VU 1 1E 1 20 1 21 1 22 25 28 2A
103. ts by setting the following parameters with the MODE SELECT or MODE SELECT EXTENDED command Error recovery parameter Disconnection reconnection parameter Caching parameter Control mode parameter With the MODE SELECT or MODE SELECT EXTENDED command specify 1 for the SP bit on CDB to save the specified parameter value on the disk This enables the IDD to operate by using the parameter value set by the user when power is turned on again When the system has more than one INIT different parameter value can be set for each INIT When the parameters are not set or saved with the MODE SELECT or MODE SELECT EXTENDED command the IDD sets the default values for parameters and operates when power is turned on or after reset Although the IDD operations are assured with the default values the operations are not always optimal for the system To obtain the best performance set the parameters in consideration of the system requirements specific to the user This section outlines the parameter setting procedures Refer to Chapter 3 of SCSI Logical Interface Specifications for further details of the MODE SELECT and MODE SELECT EXTENDED commands and specifying the parameters IMPORTANT 1 At factory shipment of the IDD the saving operation for the MODE SELECT parameter is not executed So if the user does not set parameters the IDD operates according to the default value of each parameter 2 The model select parameter is not saved for each SCS
104. ty The size of the usable area for storing user data on the IDD format capacity varies according to the logical data block or the size of the spare sector area Table 3 4 lists examples of the format capacity when the typical logical data block length and the default spare area are used The following is the general formula to calculate the format capacity Number of sectors of each zone number of sectors per track number of tracks heads number of alternate spare sectors per cylinder number of cylinders in the zone Formatted capacity total of sectors of all zones number of sectors per track in last zone x number of tracks heads x number of alternate cylinders number of physical sectors in logical block x logical data block length The following formula must be used when the number of logical data blocks are specified with the parameter in the MODE SELECT or MODE SELECT EXTENDED command Format capacity logical data block length x number of logical data blocks The logical data block length the maximum logical block address and the number of the logical data blocks can be read out by a READ CAPACITY MODE SENSE or MODE SENSE EXTENDED command after initializing the disk medium Table 3 4 Format capacity Model Data block length User blocks Format capacity GB MAA3182xx 35 680 750 18 2 MAB3091xx 17 824 700 9 1 MAB3045xx 8 895 370 MAC3091xx 17 871 600 MAC3045xx 8 918 420 Note
105. unicated through ENGINEERING CHANGE REQUEST NOTICE issued by Fujitsu Function Equipment Version Which Supports These Functions Equipment EPROM _ Standard INQUIRY Data Product Version No Version Revision ASCII No READ RAM Command These commands cannot be used in the current version WRITE RAM Command Proceed to the Copyright Page C141 E035 03EN iii Related Standards Specifications and functions of products covered by this manual comply with the following standards Standard Text No ANSI X3 131 1986 ANSI X3 131 1994 X3T9 2 85 52 Rev 4 B X3T9 2 855D Rev 12 X3T10 10T1D Rev 6 American National Standard for American National Information Systems Small Computer Standards Institute System Interface SCSI ANSI American National Standard for American National Information Systems Small Computer Standards Institute System Interface 2 SCSI 2 ANSI COMMON COMMAND SET CCS American National of the Small Computer Standards Institute System Interface SCSI ANSI WORKING DRAFT Information American National Technology SCSI 3 Parallel Interface Standards Institute ANSI Dfaft proposed American National American National Standard for Standards Institute Information Systems SCSI 3 ANSI Fast 20 Parallel Interface Fast 20 SCSI All Right Reserved Copyright O 1997 1998 Fujitsu Limited lv C141 E035 03EN PREFACE This manual describes the MAA3182xx here
106. y 5 2 Diagnosis 1 4 Diagnostics 6 1 Diagnostics and maintenance 6 1 Disable terminator connection 4 20 Disconnecting drives 5 24 Disconnection 5 22 Disk configuration 1 8 Disk enclosure 1 9 Disks 1 5 Drive parameter 5 19 Drive parameter 5 19 E ECC 3 9 Environmental requirements 2 4 Environmental specifications 2 4 Environmental temperature 4 8 C141 E035 03EN IN 1 Error indication of self diagnostics 6 3 Error rate 2 5 Error recovery 1 4 Error recovery during self diagnostics 6 3 Error recovery parameters 5 21 External dimensions 4 1 4 2 4 3 4 4 4 5 External inputs for operating terminating resistor 4 20 External magnetic field 4 9 External operator panel 4 27 4 28 External operator panel circuit example 4 28 External operator panel connector 4 16 4 17 External operator panel connector signals 4 18 F FG 4 27 FORMAT UNIT command 5 19 Format capacity 3 10 Format parameter 5 19 Formatting 2 6 Function specifications 2 2 G Glist 3 12 Gl 3 8 Gaps 3 8 General description 1 1 General notes 5 1 General notes 5 1 H Hardware function test 6 2 Head configuration 1 8 Heads 1 8 High speed data transfer 1 2 High speed positioning 1 4 Humidity 2 4 Indicating revision number 6 7 Initial self diagnostics 6 2 Input signal 4 19 4 20 Installation 5 1 5 2 Installation requirements 4 1 Inteface connector 4 15 Interface test 6 5 Internal test space 3 4 L LBA 3 8 LUN 1 11 Lar

Fujitsu MAB3091 Computer Drive User Manual

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