
DATA TECHNOLOGY CORPORATION

DTC2280 (VER.2)

  Data bus:                  16-bit ISA

  Size:                      Half-length, Half-height card

  Hard drive supported:      Two IDE(AT) interface drives

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

[Image]

                               CONNECTIONS

                    Function                             Location

  40-pin IDE(AT) interface connector                       JP1

  16-pin game port - internal                              JP2

  9-pin serial port 1 - external                           JP3

  10-pin serial port 2 - internal                          JP4

  34-pin control cable connector - floppy drive            JP5

  2-pin connector - drive active LED                       JP8

  25-pin parallel port - external                          JP15

                        USER CONFIGURABLE SETTINGS

              Function                   Location           Setting

     AT bus IDEIOR mode enabled            J1         pins 2 & 3 closed

      W83758P IDEIOR mode enabled           J1         pins 1 & 2 closed

     AT bus IDEIOW mode enabled            J2         pins 2 & 3 closed

      W83758P IDEIOW mode enabled           J2         pins 1 & 2 closed

     Floppy drives A & B normal          JP6/A        pins 1 & 2 closed

      Floppy drives A & B reversed        JP6/A        pins 2 & 3 closed

                   USER CONFIGURABLE SETTINGS(CONTINUED)

               Function                    Location          Setting

     Floppy drive interface address        JP6/B           pins 2 & 3
      3F0 - 3F7h                                              closed

      Floppy drive interface address        JP6/B           pins 1 & 2
      370 - 377h                                              closed

     IDE(AT) interface enabled             JP6/C           pins 1 & 2
                                                              closed

      IDE(AT) interface disabled            JP6/C           pins 2 & 3
                                                              closed

     IDE(AT) interface address 3F6,        JP6/D           pins 2 & 3
      3F7, 1F0 - 1F7h                                         closed

      IDE(AT) interface address 376,        JP6/D           pins 1 & 2
      377, 170 - 177h                                         closed

     Floppy drive interface enabled        JP6/E           pins 1 & 2
                                                              closed

      Floppy drive interface disabled       JP6/E           pins 2 & 3
                                                              closed

      Parallel port is bi-directional        JP11              open

      Parallel port is unidirectional        JP11             closed

     Game port enabled                      JP16             closed

      Game port disabled                     JP16              open

     Hard drive interrupt is IRQ14          JP18           pins 1 & 2
                                                              closed

      Hard drive interrupt is IRQ15          JP18           pins 2 & 3
                                                              closed

                        SERIAL PORT 1 CONFIGURATION

           Port 1                    JP9/A                  JP9/B

             COM1             pins 1 & 2 closed      pins 2 & 3 closed

              COM3             pins 2 & 3 closed      pins 1 & 2 closed

              COM4             pins 1 & 2 closed      pins 1 & 2 closed

            Disabled           pins 2 & 3 closed      pins 2 & 3 closed

                        SERIAL PORT 2 CONFIGURATION

           Port 2                    JP9/C                  JP9/D

             COM2             pins 1 & 2 closed      pins 2 & 3 closed

              COM3             pins 1 & 2 closed      pins 1 & 2 closed

              COM4             pins 2 & 3 closed      pins 1 & 2 closed

            Disabled           pins 2 & 3 closed      pins 2 & 3 closed

                        PARALLEL PORT CONFIGURATION

            LPT                      JP9/E                  JP9/F

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

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

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

            Disabled           pins 2 & 3 closed      pins 2 & 3 closed

                      SERIAL PORT 1 INTERRUPT SELECT

         IRQ              JP12/A            JP12/B            JP12/C

         IRQ4            closed             open              open

          IRQ3             open             closed             open

          IRQ5             open              open             closed

                      SERIAL PORT 2 INTERRUPT SELECT

         IRQ              JP12/D            JP12/E            JP12/F

         IRQ3            closed             open              open

          IRQ4             open             closed             open

          IRQ5             open              open             closed

                      PARALLEL PORT INTERRUPT SELECT

            IRQ                    JP12/G                  JP12/H

            IRQ7                  closed                   open

             IRQ5                   open                   closed

