AT2525 User Guide
Contents
1. 2 5 Rocket User Guide May 19 2003 page 13 of 132. Each drive is fully tested under environmental and voltage extremes to guarantee data integrity in even the harshest conditions 2 5 Rocket User Guide May 19 2003 page 3 of 13 INSTALLATION 3 1 PROCEDURE ESD PRECAUTIONS Static electricity kills electronics Before handling the AT2525 please observe the following precautions to avoid ESD damage to the unit Keep the drive in its shielded bag until ready to install Ground yourself by touching a grounded chassis frame of the computer or use a grounded wrist strap before and during the installation process Do not touch the exposed drive electronics or connectors Always handle the drive by the edges or mounting rails 3 1 2 CONFIGURATION Configure the drive using the jumper diagrams given in Section 3 2 The drive is shipped configured for a single drive system or as the master in a two drive system Change the configuration as required Never attempt to change the jumpers while the drive is plugged in and the computer is on 3 1 3 CONNECTOR The drive may be interfaced directly to a standard 2 5 2mm IDE socket connector a standard 2 5 IDE ribbon cable or through a 3 5 IDE to 2 5 adapter or interposer for prototyping purposes See drawing below for pin 1 orientation and alignment Care should be taken when installing the AT2525 into the system as misalignment can permanently damage the drive interface connector or electronics A separate power cable is
3. not required as the 2mm socket or ribbon cable connector supplies power 10 16mm 0 40in1 Coble Select Jumper Master Slave Jumper Figure 1 Drive Connector 2 5 Rocket User Guide May 19 2003 page 4 of 13 3 1 4 MOUNTING The AT2525 may be mounted in any orientation Eight bottom and eight side mounting holes are available for installation The mounting holes require metric M3 screws with a maximum depth of 5mm The diagram given below is valid for all capacities of the AT2525 drive The outline dimensions are 2 75 69 85 mm wide 3 94 100 2mm long and 0 35 9 0mm tall Please refer to the following drawing for dimensions and mounting hole locations Omm 0 356 002mm 394in1 o o o o EE I 381mm 150m 7 57 069in 20 93mm 1082107 14mm 10 551 035in1 002mm 13 947 SIDE VIEW 381 517 57 t069in1 Figure 2 Mechanical Dimensions 3 1 5 COMPUTER SETUP To be recognized by the computer the drive translation information must typically be entered into the System Setup or CMOS Setup utility For non PC compatible computers this may not apply The AT2525 supports automatic detection and configuration if offered by the BIOS If the drive configuration must be manually entered select drive type USER and use the table below to determine proper setup parameters Automatic CHS translation and LBA mode is su
4. or slave through the IDE cable A maximum of two drives may only be connected to one standard IDE cable Connecting the drive to the end of the cable configures the drive to be a master DOS drive C and connecting the drive to the middle connector of the cable configures the drive for a slave DOS drive D Leaving the Cable Select pins open enables the drive to use the master slave jumper for drive configuration 3 2 2 MASTER SLAVE The master slave jumper allows the drive to be configured as either master or slave Leaving the master slave pins open configures the drive as a master 3 2 3 FACTORY DEFAULTS Faetory Default Master The factory default configuration is set to master No jumpers are installed 2 5 Rocket User Guide May 19 2003 page 7 of 13 3 3 3 3 1 IDE INTERFACE The AT2525 uses a 40 pin 2mm connector mounted on the PCB to create both a power and signal connection to the host Maximum cable length is 18 inches Recommended cable length is 12 inches or less especially if advanced PIO transfer modes are used IDE CONNECTOR ADAPTER An adapter or interposer for converting the 2mm IDE connector to a standard 40 pin 0 100 IDE connector is available from the factory Order part number 153264 002 The adapter converts the drive 44 pin 2mm connector to a standard 40 pin 0 100 connector Power arrives via a 4 pin Amp power hea
5. 5 1 Mbyte second sustained Write throughput Pending CE and CSA Safety Compliance 2 INTRODUCTION The AT2525 is the fastest member of the Rocket Family drives available today With a maximum capacity of 3 Gbyte in an extremely compact 2 5 drive form factor it delivers exceptional value for its features It is completely solid state with no moving parts This accounts for the unit s exceptional ruggedness and wide operating temperature range The AT2525 employs sector erasable NAND EEPROMs Flash to deliver up to 3 Gbytes of uncompressed non volatile solid state storage in an extremely small rugged form factor Sustained host data throughput is a 5 4 Mbytes per seconds for reads and 5 1 Mbytes second for writes The drive is 100 IDE compatible and requires no special drivers to operate It is essentially a drop in replacement for standard rotating media The IDE interface is implemented using an application specific IDE Flash controller with an integrated 72 bit Reed Solomon error detection and on the fly correction mechanism that enhance data reliability The ECC circuitry in conjunction with the controller s remapping algorithms makes for a virtually bulletproof medium for data retention The drive is available in a number of standard capacities ranging from 64 Mbytes to 3 Gbytes Please contact the factory with your capacity requirements Disk compression utilities may be used to effectively double the usable capacity of the drive
6. MEMTECH AT2525 2 5 Booster Rocket 2 5 IDE Solid State Flash Drive User Guide 154059 001 Revision 1 2 May 19 2003 Memtech SSD Corporation 7628 Las Positas Road Livermore CA 94550 925 294 8483 800 445 5511 www memtech com 1 2 3 3 2 3 3 2 5 Table of Contents HIGHLIGHTS INTRODUCTION INSTALLATION PROCEDURE 3 1 1 Esd precautions 3 1 2 Configuration 3 1 3 CONNECTOR 3 1 4 Mounting 3 1 5 Computer setup 3 1 6 Partition 3 1 7 Format UMPERS 3 2 1 cable select 3 2 2 Master Slave 3 2 3 Factory Defaults IDE INTERFACE 3 3 1 IDE Connector Adapter 3 3 2 IDE Connector Pinout OPERATION ECC MTBF POWER 4 3 1 Power Down 4 3 2 Power supply 4 3 3 Power routing MAINTENANCE SPECIFICATIONS INTERFACE PERFORMANCE ENVIRONMENTAL POWER REQUIREMENTS MECHANICAL APPENDIX CONTACT INFORMATION ATA SPECIFICATION INFORMATION LIMITED LIFETIME WARRANTY Rocket User Guide May 19 2003 3 coo0 00000525252 A page 2 of 13 1 HIGHLIGHTS 64Mbyte to 3Gbyte uncompressed capacity Full A0 C to 85 operating temperature range 5 volt low power operation Completely solid state no moving parts and no batteries Extremely Rugged 1000G operating shock 15G operating vibration 2 5 drive form factor with a 44 pin 2mm IDE interface 72 bit Reed Solomon ECC for exceptional data reliability Power hold up circuit 0 3 millisecond access time 5 4 Mbyte secon sustained Read throughput
7. atibility IDE Drive Number Physical Capacity Physical Sector Size 6 2 PERFORMANCE Average Access Track Track Access Sequential Read Sequential Write Random Read Random Write Weighted Average 64 Kbyte transfers 6 3 ENVIRONMENTAL ATA 3 compliant Drive 0 or 1 64 Mbytes to 3 Gbytes 512 bytes 0 3 ms 0 3 ms 5 4 Mbytes sec sustained 5 1 Mbytes sec sustained 4 0 Mbytes sec sustained 5 6 Mbytes sec sustained 5 0 Mbytes sec Commercial Temperature Range Operating Storage 0 to 70 C 45 C to 125 C Extended Temperature Range Operating Storage 20 C to 75 45 C to 125 C Industrial Temperature Range Operating Storage Shock operating Vibration operating Airflow Humidity 6 4 POWER REQUIREMENTS Voltage Current Idle Read Write 6 5 MECHANICAL Length Width Height Cable Interface Max Cable Length Rec Cable Length Weight 3072 Mbytes 2 5 Rocket User Guide May 19 2003 40 to 85 C 55 to 125 C 1000G Operating target 15G Random target None required 5 to 9596 NC target DV 5 2525 3072 45 mA 90 mA 112 mA 3 94 inches 102 00 mm 2 75 inches 69 85 mm 0 35 inches 9 00 mm 44 pin 2mm 18 inches 457 mm 12 inches 305 mm 2 9 oz 90 g page 12 of 13 7 APPENDIX 7 1 CONTACT INFORMATION For Technical Support or Warranty Repair information please contact Memtech at Memtech SSD Corporation 7628 Las Pos
8. der El series identical to the connector used to supply power to 3 5 inch floppy drives To convert the 4 pin Amp power connector to a standard 4 pin AT power connector an ATA power cable adapter part number 153273 002 is included 69 847mm 2 750in1 6090mm 0 240in3 5 5 013 0 197in1 19128 ien 0 753in1 GND NOT USEDE VO CA MU 478 to 098in1g 2690mm 0106n j Figure 4 IDE Adapter Board 2 5 Rocket User Guide May 19 2003 page 8 of 13 3 8 2 IDE CONNECTOR PINOUT 3 99mm 0 16in1 ii X 10 4010 Cable Select Jumper Master Slave Jumper Figure 5 IDE Connector The following table depicts the 44 pin 2mm signal cable interface pinout PIN PIN SIGNAL 5 6 8 9 rg 18 25 26 IO NU IOR NU j IRQ 2 5 Rocket User Guide May 19 2003 page 9 of 13 4 OPERATION 4 4 ECC The IDE controller utilizes a 72 bit Reed Solomon Error Detection Code EDC and Error Correction Code ECC which provides the following error immunity for each 512 byte block of data 1 Corrects up to three random 12 bit symbol errors 2 Corrects single bursts up to 25 bits 4 2 MTBF The MTBF can be logically calculated in hours using the following formula Flash Chips Blocks Re programming Cycles Area Rate MTBF J Average Programming Sec
9. itas Road Livermore CA U S A 94550 phone 925 294 8483 or 800 445 5511 fax 925 294 5920 7 2 ATA SPECIFICATION INFORMATION Information regarding the ATA 3 specification may be obtained from the following locations AT Attachment Document Distribution Global Engineering 15 Inverness Way East Englewood Co 80112 5704 Phone 303 792 2181 or 800 854 7179 Fax 303 792 2192 ATA Anonymous FTP Site fission dt wdc com ATAS directory is pub standards ata ata 3 7 3 LIMITED LIFETIME WARRANTY Memtech warrants your AT3520 against defects in material and workmanship for the life of the drive The warranty is void in the case of misuse accident alteration improper installation misapplication or the result of unauthorized service or repair The implied warranties of merchantability and fitness for a particular purpose and all other warranties expressed or implied except as set forth in this warranty shall not apply to the products delivered In no event shall Memtech be liable for any lost profits lost savings or other incidental or consequential damages arising out of the use of or inability to use this product BEFORE RETURNING PRODUCT A RETURN MATERIAL AUTHORIZATION RMA MUST BE OBTAINED FROM MEMTECH Product shall be returned to Memtech with shipping prepaid If the product fails to conform and warranty repair is necessary Memtech will reimburse customer for the transportation charges incurred
10. pported Note that a MB is equal to 1024 1024 bytes 2 5 Rocket User Guide May 19 2003 page 5 of 13 Physical Available Drive Type Capacity Cylinders Sectors Capacity AT2525 128 128MB 977 8 32 122MB 3 1 6 PARTITION The drive must be partitioned using the system s FDISK utility For operating systems other than DOS please refer to your OS operating guides Note that changing the partition information will erase all data currently on the drive Refer to your OS manual for information regarding partitioning a hard disk 3 1 7 FORMAT The AT2525 is low level formatted at the factory which establishes the 512 byte sector size A high level format is required after the partition has been established on the drive Refer to your OS manual for information regarding hard disk drive format procedures 3 2 JUMPERS The following diagram illustrates the location of the drive selection jumper on the AT2525 The jumper controls the master slave configuration and cable select The jumper required is a 2 pin vertical header on 2mm centers Cable Select Jumper LUN Coble Sel OFF Master Master Slave Jumper ON Slave D Figure 3 Configuration Jumpers 2 5 Rocket User Guide May 19 2003 page 6 of 13 3 2 1 CABLE SELECT HAHAHAH Cublg Select Jumper The Cable Select jumper allows the drive to be configured as a master
11. tors per hour 1 sector 512 bytes Note The program area is the area that is not changed once it has been programmed The remainder of the drive is thus considered Reprogrammable In the case where 32 Kbytes 64 sectors are written every 5 minutes into an area occupying 30 of a 512 MB disk 1 Gbit x 4 chips the MTBF is calculated as shown below MTBF 4 8192 250 000 0 3 64 12 3 2 million hours 350 years 4 3 POWER POWER DOWN The AT2525 is shipped with Memtech s proprietary Kicker hold up circuit The Kicker provides enough residual power for the drive to complete a write sequence thus avoiding data corruption Still it is recommended that power not be removed from any mass storage device while a write sequence is in progress This is especially true when disk caching programs are being used Though the Kicker protects against data corruption and media errors it cannot prevent OS or file errors from occurring These types of errors arise when the OS breaks a large transfer into many smaller ones and only part of the transfer arrives from the host 4 3 2 POWER SUPPLY The AT2525 voltage requirement is specified at 5 volts 5 Operation outside of these limits is not guaranteed Note that the drive will operate below this voltage but reliability issues such as uncorrectable errors or invalid data reads may occur An on board 2 5 Rocket User Guide May 19 2003 page 10 of 13 voltage monitor
12. will inhibit writes when the on board supply voltage falls below 3 volts thus preserving data integrity on the drive 4 3 3 POWER ROUTING Bad power can lead to bad data To avoid glitches or noise on the Vcc and ground lines power in the system should be routed so that all peripherals are sourced from the power supply in a star configuration as opposed to routing a single continuous supply line to each device in the system Routing power in the star configuration as is done on most desktop PCs will minimize the effect on one device s current draw on another device This is key to maintaining data integrity on the AT1820 See diagrams below Star Topology Daisy Chain Do Not Use Power Suppl Power Supply i Main Board Main Board Hard Disk 5 MAINTENANCE No maintenance is required during the normal use of this drive If data is to be archived for long periods of time gt 10 years it is recommended that the data on the drive be refreshed every 5 to 10 years The manufacturer of the NAND E2PROM devices will only guarantee data integrity for a period of 10 years Programs such as Norton Speedisk which reallocates all sectors on the drive or Microsoft Scandisk which writes and reads every sector on the disk during its surface test achieve this end very well 2 5 Rocket User Guide May 19 2003 page 11 of 13 6 SPECIFICATIONS 6 1 INTERFACE IDE Comp
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