PERCEPTIVE SOLUTIONS, INC.

EASYCACHE SCSI (RELEASE 1.0)

Data bus: 16-bit, ISA

Size: Full-length, full-height card

Hard Drives Suppported: Up to seven SCSI devices

Floppy Drives Supported: Two 360KB, 720KB, 1.2MB, or 1.44MB drives

[Image]

                          CONNECTIONS

                   Functions                      Location

  4-pin connector drive active LED                   J1

  Unidentified connector                             J2

  34-pin control cable connector-floppy drive        J3

  50-pin SCSI connector-internal                     J4

  DB25S connector--external (optional)               J5

                        USER CONFIGURABLE SETTINGS

               Function                     Location          Setting

  »   Hard drive port address is             SW1/3              Off
      primary

      Hard drive port address is             SW1/3               On
      secondary

  »   Floppy drive enabled                   SW1/4              Off

      Floppy drive disabled                  SW1/4               On

  »   Single-speed floppy supported          SW1/5              Off

      Dual-speed floppy supported            SW1/5               On

  »   Asynchronous operation enabled         SW1/10             Off

      Synchronous operation enabled          SW1/10              On

  »   hSOS load from disk enabled            SW1/11             Off

      hSOS load from ROM enabled             SW1/11              On

  »   Termination Power supplied by          SW1/12              On
      easyCache

      Termination Power not supplied         SW1/12             Off
      by easyCache

                               SIOS ADDRESS

           Address                    SW1/1                  SW1/2

               C800h                   Off                    Off

               D000h                   Off                    On

  »            D800h                    On                    Off

             Disabled                   On                    On

                             INTERRUPT REQUEST

         IRQ             SW1/6        SW1/7        SW1/8         SW1/9

         Disabled         Off          Off          Off           Off

           IRQ5           On           Off          Off           Off

          IRQ11           Off           On          Off           Off

  »       IRQ14           Off          Off           On           Off

          IRQ15           Off          Off          Off           On

          CACHE MEMORY CONFIGURATION

      Size          Bank 0          Bank 1

     512KB        (2) 256K x 9       NONE

      1MB         (2) 256K x 9   (2) 256K x 9

      2MB         (2) 1M x 9         NONE

     2.5MB        (2) 1M x 9     (2) 256K x 9

      4MB         (2) 1M x 9      (2) 1M x 9

      8MB         (2) 4M x 9         NONE

     8.5MB        (2) 4M x 9     (2) 256K x 9

      10MB        (2) 4M x 9      (2) 1M x 9

      16MB        (2) 4M x 9      (2) 4M x 9

                         LED INFORMATION - GENERAL

    LED          Color          Status              Condition

    D1        Unidentified       On             Hard drive active

    D1        Unidentified       Off           Hard drive inactive

    D3        Unidentified       On         Data transfer from cache in
                                                     progress

    D3        Unidentified       Off              Cache inactive

                    LED INFORMATION - SCSI TERMINATION

  LED      Status     SW1/12     Terminators            Condition

   D2        On         On        Installed         EasyCache supplies
                                                 termination and TERMPWR

   D2        On         Off       Installed         EasyCache supplies
                                                       termination

                                                  Other device supplies
                                                         TERMPWR

   D2       Off         Off       Installed         EasyCache supplies
                                                       termination

                                                   No TERMPWR detected

   D2        On         On         Removed        EasyCache supplies no
                                                       termination

                                                    EasyCache supplies
                                                         TERMPWR

   D2       Off         Off        Removed        EasyCache supplies no
                                                 termination or TERMPWR