
DATA TECHNOLOGY CORPORATION

DTC2280 (400485-89D)

Data-bus                16-bit ISA
Size                    Half-length, half-height card
Hard drives supported   Two IDE(AT) interface drives
Floppy drives supported Two 360KB, 720KB, 1.2MB, 1.44MB drives

[Image]

                                CONNECTIONS

         Function           Label            Function             Label

  40-pin IDE(AT)             JP1       34-pin control cable        JP5
  interface connector                  connector - floppy
                                       drive

  16-pin game port -         JP2       2-pin connector -           JP8
  internal                             drive active LED

  9-pin serial port 1 -      JP3       25-pin parallel port -     JP15
  external                             external

  10-pin serial port 2 -     JP4
  internal

                        USER CONFIGURABLE SETTINGS

                Function                     Location         Setting

     AT bus IDE I/O Read path enabled          J1           Pins 2 & 3
                                                               closed

      W83758P IDE I/O Read path enabled         J1           Pins 1 & 2
                                                               closed

     AT bus IDE I/O Write path enabled         J2           Pins 2 & 3
                                                               closed

      W83758P IDE I/O Write path                J2           Pins 1 & 2
      enabled                                                  closed

     Floppy drive order is normal (A:,        JP6/A         Pins 1 & 2
      B)                                                       closed

      Floppy drive order is reversed           JP6/A         Pins 2 & 3
      (B:, A)                                                  closed

     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

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

            Disabled           Pins 2 & 3 closed      Pins 2 & 3 closed

                     SERIAL PORT 1 INTERRUPT SELECTION

          IRQ               JP12/A           JP12/B            JP12/C

           IRQ4            Closed            Open              Open

            IRQ3             Open            Closed             Open

            IRQ5             Open             Open             Closed

                     SERIAL PORT 2 INTERRUPT SELECTION

          IRQ               JP12/D           JP12/E            JP12/F

           IRQ3            Closed            Open              Open

            IRQ4             Open            Closed             Open

            IRQ5             Open             Open             Closed

                     PARALLEL PORT INTERRUPT SELECTION

           IRQ                     JP12/G                  JP12/H

            IRQ7                  Closed                   Open

             IRQ5                   Open                   Closed

