
DATA TECHNOLOGY CORPORATION

DTC2280 (400485-89A)

  Data bus:                  16-bit, ISA

  Size:                      Half-length, half-height card

  Hard drive supported:      Two IDE (AT) Interface drives

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

[Image]

                              CONNECTIONS

                    Function                           Location

  34-pin control cable connector - floppy drive           J1

  40-pin IDE(AT) Interface connector                      J2

  16-pin game port - internal                             J3

  10-pin serial port (COM1/3/4) - internal                J4

  10-pin serial port (COM2/3/4) - internal                J6

  25-pin parallel port (LPT1/2/3) - external              J7

  2-pin connector - Drive active LED                      JP1

                        USER CONFIGURABLE SETTINGS

                Function                     Location         Setting

     Parallel port is uni-directional         JP3             closed

      Parallel port is bi-directional          JP3              open

     Hard drive port address is              JP4/A          pins 2 & 3
      3F6-3F7, 1F0-1F7h                                        closed

      Hard drive port address is              JP4/A          pins 1 & 2
      376-377, 170-177h                                        closed

     Hard drive enabled                      JP4/B          pins 1 & 2
                                                               closed

      Hard drive disabled                     JP4/B          pins 2 & 3
                                                               closed

                  USER CONFIGURABLE SETTINGS (CONTINUED)

              Function                    Location            Setting

     Floppy drive port address is          JP4/C            pins 2 & 3
      3F0-3F7h                                                closed

      Floppy drive port address is          JP4/C            pins 1 & 2
      370-377h                                                closed

     Floppy drive enabled                  JP4/D            pins 1 & 2
                                                              closed

      Floppy drive disabled                 JP4/D            pins 2 & 3
                                                              closed

                     SERIAL PORT 1 (J4) CONFIGURATION

             COM                     JP2/A                  JP2/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 (J6) CONFIGURATION

             COM                     JP2/C                  JP2/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 (J7) CONFIGURATION

             LPT                     JP2/E                  JP2/F

             LPT1             pins 2 & 3 closed      pins 1 & 2 closed

              LPT2             pins 1 & 2 closed      pins 2 & 3 closed

              LPT3             pins 1 & 2 closed      pins 1 & 2 closed

            Disabled           pins 2 & 3 closed      pins 2 & 3 closed

                   SERIAL PORT 1 (J4) INTERRUPT REQUEST

         IRQ               J5/A              J5/B              J5/C

         IRQ4            closed             open              open

          IRQ3             open             closed             open

          IRQ5             open              open             closed

                   SERIAL PORT 2 (J6) INTERRUPT REQUEST

         IRQ               J5/D              J5/E              J5/F

         IRQ3            closed             open              open

          IRQ4             open             closed             open

          IRQ5             open              open             closed

                   PARALLEL PORT (J7) INTERRUPT REQUEST

             IRQ                      J5/G                   J5/H

              IRQ7                  closed                  open

               IRQ5                   open                  closed

