DATA TECHNOLOGY CORPORATION (DTC)

DTC3180 (JUMPER VER.), DTC3280 (JUMPER VER.)

Data bus: 16-bit, ISA.

Size: Half-length, full-height card.

Hard drives supported: Up to seven SCSI devices

Floppy drives supported: DTC3180A: None

DTC3280A: Four 360KB, 720KB, 1.2MB or 1.44 MB drives

[Image]

                                CONNECTIONS

                     Function                             Location

  50-pin SCSI connector-external                             J1

  50-pin SCSI connector-internal                             J2

  34-pin data cable connector-floppy drive                   J3
  (DTC3280A only)

  4-pin connector-drive active LED                           J4

                        USER CONFIGURABLE SETTINGS

               Function                     Location          Setting

  »   Single-speed floppy supported        W3/jumper 7          open

      Dual-speed floppy supported          W3/jumper 7         closed

  »   PS/2-type floppy on Drive            W3/jumper 8         closed
      Select 2 not supported

      PS/2-type floppy drive on Drive      W3/jumper 8          open
      Select 2 supported

  »   Floppy drive precomp. is scaled      W3/jumper 9          open
      by data rate:

      500KHz=125ns, 300KHz=208ns,
      250KHz=250ns

      Floppy drive precompensation is      W3/jumper 9         closed
      125ns

  »   Floppy drive enabled                W3/jumper 10         closed

      Floppy drive disabled               W3/jumper 10          open

  »   Factory configured - do not          W4/jumper 3          open
      alter

  »   Factory configured - do not          W4/jumper 4          open
      alter

  »   SCSI parity check enabled            W4/jumper 5          open

      SCSI parity check disabled           W4/jumper 5         closed

  »   2KB SRAM selected                        W1            pins 2 & 3
                                                               closed

      8KB SRAM selected                        W1            pins 1 & 2
                                                               closed

  »   Floppy drive address 3F2-3F7h            W2            pins 1 & 2
                                                               closed

      Floppy drive address 372-377h            W2            pins 2 & 3
                                                               closed

                             INTERRUPT REQUEST

           IRQ                  W4/jumper 1             W4/jumper 2

  »         IRQ11                  open                    closed

            IRQ12                 closed                    open

            IRQ10                 closed                   closed

            IRQ15                  open                     open

                  INQUIRY INTERRUPT REQUEST "B " OPTIONS

       IRQ         W3/jumper 1   W3/jumper 2   W3/jumper 3   W3/jumper 4

  »     IRQ11         open          open         closed          open

        IRQ10         open          open          open          closed

        IRQ12         open         closed         open           open

        IRQ15        closed         open          open           open

      Disabled        open          open          open           open

                               BIOS ADDRESS

         Address                W3/jumper 5             W3/jumper 6

  »         D800h                  open                     open

            C800h                  open                    closed

            DC00h                 closed                    open

            CC00h                 closed                   closed

                               SCSI ADDRESS

    SCSI ID         W4/jumper 6        W4/jumper 7         W4/jumper 8

          0           closed              closed             closed

          1            open               closed             closed

          2           closed               open              closed

          3            open                open              closed

          4           closed              closed              open

          5            open               closed              open

          6           closed               open               open

  »       7            open                open               open