PERCEPTIVE SOLUTIONS, INC.

PATHFINDER PSI-2100

  Data bus:                  16-bit ISA

  Size:                      Half-length, full-height card

  Hard drive supported:      Up to seven Fast SCSI-2 devices

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

[Image]

                        CONNECTIONS

                Function                      Location

  50-pin SCSI connector - external               P1

  34-pin cable connector - floppy drive          P2

  50-pin SCSI connector - internal               P3

  4-pin connector - drive active LED             P4

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   Floppy drive interface is               J6               Open
      primary

      Floppy drive interface is               J6              Closed
      secondary

  »   Factory configured - do not       J7/pins 5 & 6           N/A
      alter

  »   Factory configured - do not       J7/pins 7 & 8           N/A
      alter

  »   Hard drive format £               J8/pins 1 & 2         Closed

      Hard drive format > 1 GB (255     J8/pins 1 & 2          Open
      heads x 63 sectors)

  »   Factory configured - do not       J8/pins 3 & 4           N/A
      alter

  »   Synchronous Negotiation           J8/pins 5 & 6          Open
      enabled

      Synchronous Negotiation           J8/pins 5 & 6         Closed
      disabled

  »   Factory configured - do not            J15                N/A
      alter

                          BIOS ADDRESS SELECTION

          Address               J7/pins 13 & 14        J7/pins 15 & 16

          C8000-CFFFFh                Open                  Closed

          D0000-D7FFFh               Closed                  Open

  »       D8000-DFFFFh                Open                   Open

                            INTERRUPT SELECTION

         INT                 J4           J8/pins 7 & 8         J11

            10            Pins 1 & 2          Open           Pins 1 & 2
                           closed                              closed

  »         11            Pins 1 & 2         Closed          Pins 3 & 4
                           closed                              closed

            12            Pins 2 & 3         Closed          Pins 5 & 6
                           closed                              closed

            14            Pins 2 & 3          Open           Pins 7 & 8
                           closed                              closed

                               DMA SELECTION

     Channel             J2                 J5                 J13

  »       6           Pins 1 & 2         Pins 1 & 2         Pins 1 & 2
                       closed             closed              closed

          7           Pins 2 & 3         Pins 2 & 3         Pins 2 & 3
                       closed             closed              closed

                        DMA TRANSFER RATE SELECTION

       Rate         J7/pins 1 &   J7/pins 3 &   J7/pins 9 &   J7/pins 11
                        2             4             10           & 12

  »   5.0 MB/sec      Closed         Open         Closed         Open

      5.56 MB/sec      Open         Closed        Closed         Open

      6.25 MB/sec     Closed        Closed        Closed         Open

      7.14 MB/sec      Open         Closed         Open         Closed