Item:  670
Make:  Fujitsu - SCSI
Model: M2623SA

===============================================================================
                          M2623SA 3.5" SCSI2 DRIVE
===============================================================================
         
                            JUMPER DESIGNATION

CNH1
----          

 PINS    Description                                          Option Setting Def. 
  1-2  PER default value "Post error default value of         0      Short *
       the MODE SELECT"                                       1      open
                                                          
  3-4  SCSI command level "SCSI-1/CCS or SCSI-2 selection"    CCS    short *
                                                              SCSI-2 open

  5-6  Offline diagnostic self-test                           Disable open *
                                                              Enable  short

  7-8  Unit Attention reporting mode (Must be disabled for    Enable  short *
       Mac compatibility)                                     Disable open

  9-10 Reselection retry mode "Retry = 10 or unlimited"       Infinit short *
                                                              10      open

 11-12 Reserved                                               N/A     short *
                                                              N/A     open

 13-14 SCSI bus parity                                        Enable  short *
                                                              Disable open

 15-16 Synchronous mode data transfer request (Disable for    Enable  short *
       Mac compatibility)                                     Disable open

 17-18 LED display requirement "LED lights during drive       Select  short *
       select or ready"                                       Ready   open

 19-20 Motor start command mode "Default is motor on with     Enable  open *
       power on"                                              Disable short

 21-22 SCSI Terminating resistor power from drive main power  Enable  short *
                                                              Disable open

 23-24 SCSI Terminating power from SCSI TERMPWR pin "26"      Enable  short *
                                                              Disable open





           CNH7
           +----------------------------------+
           |             |1-2|3-4|5-6|7-8|9-10|
           |-------------|---|---|---|---|----|
           |SCSI ID 0    | O | O | O |   |    |
           |-------------|   |   |   |   |    |
           |SCSI ID 1    | J | O | O |   |    |
           |-------------|   |   |   |   |    |
           |SCSI ID 2    | O | J | O |   |    |
           |-------------|   |   |   |   |    |
           |SCSI ID 3    | J | J | O |   |    |
           |-------------|   |   |   |   |    |
           |SCSI ID 4    | O | J | J |   |    |
           |-------------|   |   |   |   |    |
           |SCSI ID 5    | J | O | J |   |    |
           |-------------|   |   |   |   |    |
           |SCSI ID 6    | O | J | J |   |    |
           |-------------|   |   |   |   |    |
           |SCSI ID 7    | J | J | J |   |    |
           |-------------|   |   |   |   |    |
           |Write Protect|   |   |   | J |    |
           |-------------|   |   |   |   |    |
           |Reset        |   |   |   |   |  J |
           +----------------------------------+

 

           CNH2 - Reserved



           CNH3     o   Spindle Sync Termination
                    o   short = enable


           J=Jumpered O=Open *=Default                      

     Note: Always ensure that the device ID selected is unique to 
           the SCSI bus. The controller is often configured at 
           ID 7 so it is best to avoid this ID number for the drive. 
  

           CN6 - Remote SCSI ID Connector
           +---------------+
           | Signal  |Pin  |
           |---------|-----|
           |ID 0     | 2   |
           |---------|     |
           |ID 1     | 4   |
           |---------|     |
           |ID 2     | 6   |
           |---------|     |
           |Ground   |1,3,5|
           |---------|     |
           |Reserved |7-10 |
           +---------------+

     +--------------------------------------------------------------+
     |                      oo CNH3                                 | 
     |                                      oooooooooooo        +---+
     |                                      oooooooooooo  +--+ -|   |
     |                                                    |  | -|   |
     |                                                    |  | -|   |
     |                                                    |  | -|   |
     |                                                    |  | -|   |
     |                                           SCSI---->+--+ -|   |
     |                           Terminating Resistor          -|DTA|
     |        ooCNH7                                           -|   |
     |        oo                                               -|   |
     |        oo                                               -|   |
     |        oo                                               -|   |
     |        oo                                               -|   |
     |                                        CNH2oo           -|1  |
     |                                            oo            +---|
     |                                                         +----|
     |  +----+-                                           5v DC|    |
     |  |CNH4|-                                       5v Return|    |
     |  +----+-                                      12v Return|PWR |
     |      1                                            12v DC|    |
     +---------------------------------------------------------+----+

     +------------+
     |.1.3.5.7.9  | CN6 Side View
     |.2.4.6.8.10 |
     +------------+ 


==============================================================================


     Power and SCSI interface cable connections:

     |                ___________________Data__________________      |
     | ____Power___  |  . . . . . . . . .   . . . . . . . . . .|     |
     |/            \=|  1 . . . . . . . . . . . . . . . . . . .|=====|
     || O  O  O  1 | |___________________   ___________________|     |
     ||____________|                                                 |
     | +5  G  G +12                                                  |
     |===============================================================|
      ===============================================================
             Red or Blue stripe on 50 pin ribbon cable=pin 1
             Power cable:  +5=Red  Grounds=Black  +12=Yellow

===============================================================================

Interface: SCSI-2 
Formatted Capacity: 425.1MB 

Physical Characteristics

     Cylinders: 1435 
     Precomp: NONE 
     Landing Zone: AUTO 
     Sectors/Track: MZ 
     Platters: 5 
     R/W Heads: 9 
     Servo Heads: 1 

Logical Characteristics (ATA Drives)

     Cylinders: 
     Heads: 
     Sectors/Track: 
     Modes: 

Performance

     Average Access: 12ms 
     Track/Track Access: 3.0ms 
     Onboard Cache: 240KB 
     Transfer Rate: 24.0Mb 
     Rotation Rate: 4,400 RPM 

Additional Specs

     Head Activation: VC 
     Recording Method: (1,7)RLL 
          Tracks/Inch (TPI): 1751 
          Bits/Inch (BPI): 46383
     M.T.B.F.: 200K (hours) 
     Power: 10.4W