
DATA TECHNOLOGY CORPORATION

DTC2278EB

  Data bus:                32-bit VL-Bus

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

  Hard drive supported:    Four IDE(AT) or EIDE 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                            J3

  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

     Game port enabled                     W29               closed

      Game port disabled                    W29                open

     Floppy controller enabled        W30/pins 1 & 2         closed

      Floppy controller disabled       W30/pins 2 & 3         closed

                          BIOS ADDRESS SELECTION

         Address                 W7              W8              W24

        C8000-CBFFFh        pins 2 & 3       pins 2 & 3       closed
                               closed          closed

         CC000-CFFFFh        pins 2 & 3       pins 1 & 2       closed
                               closed          closed

         D8000-DBFFFh        pins 1 & 2       pins 2 & 3       closed
                               closed          closed

         DC000-DFFFFh        pins 1 & 2       pins 1 & 2       closed
                               closed          closed

           Disabled             N/A              N/A            open

                      PARALLEL PORT ADDRESS SELECTION

             LPT                       W18                    W19

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

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

           LPT3 (3BCh)          pins 1 & 2 closed      pins 2 & 3 closed

             Disabled           pins 2 & 3 closed      pins 2 & 3 closed

                      SERIAL PORT 1 ADDRESS SELECTION

             COM                       W22                    W23

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

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

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

             Disabled           pins 2 & 3 closed      pins 2 & 3 closed

                      SERIAL PORT 2 ADDRESS SELECTION

             COM                       W20                    W21

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

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

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

             Disabled           pins 2 & 3 closed      pins 2 & 3 closed

                     SERIAL PORT 1 INTERRUPT SELECTION

         IRQ                W15               W16               W17

         IRQ4             open              open             closed

          IRQ3             open             closed             open

          IRQ5            closed             open              open

                     SERIAL PORT 2 INTERRUPT SELECTION

         IRQ                W12               W13               W14

         IRQ3             open              open             closed

          IRQ4             open             closed             open

          IRQ5            closed             open              open

                     PARALLEL PORT INTERRUPT SELECTION

            IRQ                      W10                     W11

             IRQ7                   open                   closed

              IRQ5                  closed                   open

                     PARALLEL PORT MODE CONFIGURATION

            Mode                   W9             W25            W31

  Printer (uni-directional)     pins 2 & 3     pins 2 & 3        open
                                 closed          closed

    EPP & bi-directional        pins 1 & 2     pins 2 & 3        open
                                 closed          closed

    ECP & bi-directional        pins 2 & 3     pins 1 & 2       closed
                                 closed          closed

          EPP & ECP             pins 1 & 2     pins 1 & 2       closed
                                 closed          closed

  Note: You must select a DMA channel when using ECP mode.

                    DMA SELECTION

  Channel      W1         W2        W3         W4

     1       closed      open     closed      open

     3        open      closed     open      closed

