
DATA TECHNOLOGY CORPORATION

DTC2280E (400521-89A)

  Data bus:                  16-bit ISA

  Size:                      Half-length, half-height card

  Hard drive supported:      Two IDE(AT) or EIDE interface drives

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

[Image]

                         CONNECTIONS

                Function                       Location

  25-pin parallel port - external                 J1

  9-pin serial port 1 - external                  J2

  10-pin serial port 2 - internal                 J3

  16-pin game port - internal                     J4

  34-pin cable connector - floppy drive           J5

  2-pin connector - drive active LED              J6

  40-pin IDE(AT) interface connector              J7

                        USER CONFIGURABLE SETTINGS

              Function                   Location           Setting

     Game port enabled                     W1               closed

      Game port disabled                    W1                open

     Hard drive interrupt IRQ14           W15         pins 1 & 2 closed
      select

      Hard drive interrupt IRQ15           W15         pins 2 & 3 closed
      select

     IDE(AT) interface address is         W17         pins 1 & 2 closed
      1F0h

      IDE(AT) interface address is         W17         pins 2 & 3 closed
      170h

     IDE(AT) interface enabled            W18         pins 2 & 3 closed

      IDE(AT) interface disabled           W18         pins 1 & 2 closed

                        SERIAL PORT 1 CONFIGURATION

           Port 1                     W21                    W22

             COM1             pins 1 & 2 closed      pins 2 & 3 closed

              COM3             pins 2 & 3 closed      pins 1 & 2 closed

            Disabled           pins 1 & 2 closed      pins 1 & 2 closed

                        SERIAL PORT 2 CONFIGURATION

           Port 2                     W23                    W24

             COM2             pins 1 & 2 closed      pins 2 & 3 closed

              COM4             pins 2 & 3 closed      pins 1 & 2 closed

            Disabled           pins 1 & 2 closed      pins 1 & 2 closed

                    PARALLEL PORT ADDRESS CONFIGURATION

            LPT                       W19                    W20

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

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

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

            Disabled           pins 1 & 2 closed      pins 1 & 2 closed

                     SERIAL PORT 1 INTERRUPT SELECTION

         IRQ                W12               W13               W14

         IRQ4             open              open             closed

          IRQ3             open             closed             open

          IRQ5            closed             open              open

                     SERIAL PORT 2 INTERRUPT SELECTION

         IRQ                W9                W10               W11

         IRQ3             open              open             closed

          IRQ4             open             closed             open

          IRQ5            closed             open              open

                     PARALLEL PORT INTERRUPT SELECTION

          IRQ                      W7                        W8

            7                    open                     closed

             5                   closed                     open

                     PARALLEL PORT MODE CONFIGURATION

           MODE                      W16                     W25

           Printer           pins 2 & 3 closed       pins 2 & 3 closed

            ECP/EPP           pins 2 & 3 closed       pins 1 & 2 closed

              EPP             pins 1 & 2 closed       pins 2 & 3 closed

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

                    DMA SELECTION

  CHANNEL      W3         W4        W5         W6

     1       closed      open     closed      open

     3        open      closed     open      closed

                       MISCELLANEOUS TECHNICAL NOTES

     The floppy controller in automatically configured: When a cable is
    attached, it is enabled, when no cable is attached it is disabled.

