
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

