INTELLIGENT COMPUTER PERIPHERALS

GDT6550

Maximum Onboard Memory  32MB
Data Bus                32-bit PCI
Card Size               Full-height, full-length card
Hard Drives Supported   Up to 35 SCSI devices
Floppy Drives Supported None
RAID Levels Supported   RAID 0, 1, 4, 5

[Image]

                                CONNECTIONS

         Function           Label            Function             Label

  50-pin SCSI connector       J1       50-pin SCSI connector       J5
  - external, channel A                - internal, channel D

  50-pin SCSI connector       J2       50-pin SCSI connector       J6
  - internal, channel A                - internal, channel C

  Drive active LEDs -         J3       50-pin SCSI connector       J7
  see pinout below                     - internal, channel E

  50-pin SCSI connector       J4
  - internal, channel B

                         J3 PINOUT

       Function          Pin         Function          Pin

  Channel A common        1     Channel C active        6

  Channel A active        2     Channel D common        7

  Channel B common        3     Channel D active        8

  Channel B active        4     Channel E common        9

  Channel C common        5     Channel E active       10

                        USER CONFIGURABLE SETTINGS

                   Function                     Label        Position

  »   Active termination power enabled for        TA          Closed
      channel A

      Active termination power disabled for       TA           Open
      channel A

  »   Active termination power enabled for        TB          Closed
      channel B

      Active termination power disabled for       TB           Open
      channel B

  »   Active termination power enabled for        TC          Closed
      channel C

      Active termination power disabled for       TC           Open
      channel C

  »   Active termination power enabled for        TD          Closed
      channel D

      Active termination power disabled for       TD           Open
      channel D

  »   Active termination power enabled for        TE          Closed
      channel E

      Active termination power disabled for       TE           Open
      channel E

      DRAM CONFIGURATION

     Size          Bank 0

      4MB       (1) 1M x 32

      8MB       (1) 2M x 32

     16MB       (1) 4M x 32

     32MB       (1) 8M x 32

                             DIAGNOSTIC LED(S)

     LED         Color          Status                Condition

      A          Yellow           On          SCSI channel A is active

      A          Yellow          Off        SCSI channel A is not active

      B          Yellow           On          SCSI channel B is active

      B          Yellow          Off        SCSI channel B is not active

      C          Yellow           On          SCSI channel C is active

      C          Yellow          Off        SCSI channel C is not active

      D          Yellow           On          SCSI channel D is active

      D          Yellow          Off        SCSI channel D is not active

      E          Yellow           On          SCSI channel E is active

      E          Yellow          Off        SCSI channel E is not active

      T          Green            On          Direct memory access is in
                                                      progress

      T          Green           Off         Direct memory access is not
                                                     in progress

      S          Green            On         Card is operating normally

      S          Green           Off            An error has occurred