DATA TECHNOLOGY CORPORATION

DTC2278S

  Data bus:                32-bit VL-Bus

  Size:                    Three/quarter-length, half-height card

  Hard drive supported:    Two IDE(AT) interface drives

  Floppy drives            Two 360KB, 720KB, 1.2MB, 1.44MB drives
  supported:

[Image]

                                CONNECTIONS

                     Function                             Location

  10-pin serial port 2 - internal                            J2

  9-pin serial port 1 - external (via ribbon                 J3
  cable)

  16-pin game port                                           J4

  34-pin cable connector - floppy drive                      J5

  40-pin connector - secondary IDE(AT) interface             J6

  40-pin connector - primary IDE(AT) interface               J7

  4-pin connector - drive active LED                         J8

  25-pin parallel port - external                            J9

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   Floppy drive interface enabled          W7             pins 2 & 3
                                                              closed

      Floppy drive interface disabled         W7             pins 1 & 2
                                                              closed

  »   Game port enabled                       W8              closed

      Game port disabled                      W8               open

  »   Parallel port is                        W17             closed
      uni-directional

      Parallel port is bi-directional         W17              open

                      PARALLEL PORT ADDRESS SELECTION

             LPT                       W1                     W2

  »        LPT1 (378h)          pins 2 & 3 closed      pins 1 & 2 closed

           LPT2 (278h)          pins 1 & 2 closed      pins 2 & 3 closed

           LPT3 (3BCh)          pins 2 & 3 closed      pins 2 & 3 closed

             Disabled           pins 1 & 2 closed      pins 1 & 2 closed

                      SERIAL PORT 1 ADDRESS SELECTION

             COM                       W5                     W6

  »        COM1 (3F8h)          pins 1 & 2 closed      pins 2 & 3 closed

           COM3 (3E8h)          pins 2 & 3 closed      pins 1 & 2 closed

           COM4 (2E8h)          pins 2 & 3 closed      pins 2 & 3 closed

             Disabled           pins 1 & 2 closed      pins 1 & 2 closed

                      SERIAL PORT 2 ADDRESS SELECTION

             COM                       W3                     W4

  »        COM2 (2F8h)          pins 1 & 2 closed      pins 2 & 3 closed

           COM3 (3E8h)          pins 2 & 3 closed      pins 2 & 3 closed

           COM4 (2E8h)          pins 2 & 3 closed      pins 1 & 2 closed

             Disabled           pins 1 & 2 closed      pins 1 & 2 closed

                          PARALLEL PORT INTERRUPT

            IRQ                       W9                     W10

  »           IRQ7                   open                   closed

              IRQ5                  closed                   open

                      SERIAL PORT 1 INTERRUPT SELECT

        IRQ                 W14               W15               W16

  »       IRQ4             open               open            closed

          IRQ3             open              closed            open

          IRQ5            closed              open             open

                      SERIAL PORT 2 INTERRUPT SELECT

        IRQ                 W11               W12               W13

  »       IRQ3             open               open            closed

          IRQ4             open              closed            open

          IRQ5            closed              open             open