DATA TECHNOLOGY CORPORATION

DTC2278D (400544-89A)

Card Type               Hard drive controller card
Data-bus                32-bit VESA Local Bus
Size                    Full-length, half-height card
Hard drives supported   Four IDE(AT) interface drives
Floppy drives supported Two 360KB, 720KB, 1.2MB, 1.44MB drives

[Image]

                                CONNECTIONS

         Function            Label            Function            Label

  Drive active LED            J1       16-pin game port -          J5
                                       internal

  40-pin IDE(AT) primary      J2       9-pin serial port 1 -       J6
  interface connector                  external

  40-pin IDE(AT)              J3       10-pin serial port 2 -      J7
  secondary interface                  internal
  connector

  34-pin control cable        J4       25-pin parallel port -      J8
  connector - floppy                   external
  drive

                       USER CONFIGURABLE CONNECTIONS

                 Function                     Location        Setting

  »   Floppy drive interface enabled             W2             Open

      Floppy drive interface disabled            W2            Closed

  »   Parallel port is uni-directional           W3            Closed

      Parallel port is bi-directional            W3             Open

  »   Game port enabled                          W4             Open

      Game port disabled                         W4            Closed

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

      Parallel port address is 278               W5            Closed
      (LPT2)

  »   Serial port 1 address is 3F8h              W6             Open
      (COM1)

      Serial port 1 address is 3E8h              W6            Closed
      (COM3)

  »   Serial port 1 enabled                      W7             Open

      Serial port 1 disabled                     W7            Closed

  »   Parallel port enabled                      W8             Open

      Parallel port disabled                     W8            Closed

  »   Serial port 2 address is 2F8h              W9             Open
      (COM2)

      Serial port 2 address is 2E8h              W9            Closed
      (COM4)

  »   Serial port 2 enabled                     W10             Open

      Serial port 2 disabled                    W10            Closed

                     SERIAL PORT 1 INTERRUPT SELECTION

         IRQ                 W11               W12              W13

           IRQ3              Open            Closed             Open

  »        IRQ4             Closed            Open              Open

           IRQ5              Open             Open             Closed

                     SERIAL PORT 2 INTERRUPT SELECTION

         IRQ                 W14               W15              W16

  »        IRQ3             Closed            Open              Open

           IRQ4              Open            Closed             Open

           IRQ5              Open             Open             Closed

                     PARALLEL PORT INTERRUPT SELECTION

           IRQ                      W17                      W18

             IRQ5                   Open                   Closed

  »          IRQ7                  Closed                   Open