
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

