INTELLIGENT COMPUTER PERIPHERALS

GDT6125, GDT6525, GDT6127, GDT6527

Maximum Onboard Memory  32MB
Data Bus                32-bit PCI
Card Size               Full-height, three-quarter-length card
Hard Drives Supported   Up to 14 Wide SCSI devices
Floppy Drives Supported None
RAID Levels Supported   RAID 0, 1, levels 4 and 5 on GDT6525 and GDT6527
                        only

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                                CONNECTIONS

         Function           Label            Function             Label

  68-pin SCSI connector       J1       68-pin SCSI connector       J5
  - external, channel A                - internal, channel A

  50-pin SCSI connector       J2       68-pin SCSI connector       J6
  - internal, channel A                - internal, channel B

  Drive active LEDs -         J3       RAID GAL                    U1
  see pinout below

  50-pin SCSI connector       J4
  - internal, channel B

                         J3 PINOUT

       Function          Pin         Function          Pin

  Common                  1     Channel B common        4

  Common                  2     Channel A active        5

  Channel B active        3     Channel A common        6

                        USER CONFIGURABLE SETTINGS

                   Function                     Label        Position

  »   Active termination power enabled for       TPA          Closed
      channel A

      Active termination power disabled for      TPA           Open
      channel A

  »   Active termination power enabled for       TPB          Closed
      channel B

      Active termination power disabled for      TPB           Open
      channel B

       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

      64MB       (1) 16M 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

      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