DATA TECHNOLOGY CORPORATION

DTC2280 (400548-89A)

Card Type               Hard drive controller card
Hard drives supported   Two IDE(AT) interface drives
Floppy drives supported Two 360KB, 720KB, 1.2MB, 1.44MB drives
Data-bus                16-bit ISA
Size                    Half-length, half-height card

[Image]

                                CONNECTIONS

         Function            Label            Function            Label

  34-pin control cable        J1       9-pin serial port 1 -       J5
  connector - floppy                   external
  drive

  40-pin IDE(AT)              J2       10-pin serial port 2 -      J6
  interface connector                  internal

  Drive active LED            J3       25-pin parallel port -      J7
                                       external

  16-pin game port -          J4
  internal

                       USER CONFIGURABLE CONNECTIONS

               Function                   Location           Setting

  »   Factory configured - do not            W1           Unidentified
      alter

  »   Floppy drive interface enabled         W2               Open

      Floppy drive interface disabled        W2              Closed

  »   Parallel port is                       W3              Closed
      uni-directional

      Parallel port is bi-directional        W3               Open

  »   Game port enabled                      W4              Closed

      Game port disabled                     W4               Open

  »   Parallel port address is 378h          W5               Open
      (LPT1)

      Parallel port address is 278           W5              Closed
      (LPT2)

  »   Serial port 1 address is 3F8h          W6               Open

      Serial port 1 address is 3E8h          W6              Closed

  »   Serial port 1 enabled                  W7               Open

      Serial port 1 disabled                 W7              Closed

  »   Parallel port enabled                  W8               Open

      Parallel port disabled                 W8              Closed

  »   Serial port 1 address is 2F8h          W9               Open

      Serial port 1 address is 2E8h          W9              Closed

  »   Serial port 2 enabled                  W10              Open

      Serial port 2 disabled                 W10             Closed

  »   IDE(AT) interface enabled              W11              Open

      IDE(AT) interface disabled             W11             Closed

                          CONNECTIONS (CONTINUED)

                Function                     Location         Setting

      IDE(AT) interface address 170 -          W12             Closed
      177h

      IDE(AT) interface address 1F0 -          W12              Open
      1F7h

  »   IRQ 15 (secondary) disabled              W13             Closed

      IRQ 15 (secondary) enabled               W13              Open

  »   IRQ 14 (primary) enabled                 W14              Open

      IRQ 14 (primary) disabled                W14             Closed

                     SERIAL PORT 1 INTERRUPT SELECTION

          IRQ                 W15              W16              W17

            IRQ3             Open            Closed             Open

  »         IRQ4            Closed            Open              Open

            IRQ5             Open             Open             Closed

                     SERIAL PORT 2 INTERRUPT SELECTION

          IRQ                 W18              W19              W20

  »         IRQ3            Closed            Open              Open

            IRQ4             Open            Closed             Open

            IRQ5             Open             Open             Closed

                     PARALLEL PORT INTERRUPT SELECTION

           IRQ                      W21                      W22

             IRQ5                   Open                   Closed

  »          IRQ7                  Closed                   Open