DATA TECHNOLOGY CORPORATION

DTC2280 (400485-89C)

Card Type               Hard drive controller card
Hard Drives supported   Two IDE (AT) drives
Floppy drives supported Two 360KB, 720KB, 1.2MB, or 1.44MB drives
Data Bus                16-bit ISA
Card Size               Half-length, half-height card

[Image]

                                CONNECTIONS

        Function           Location          Function           Location

  9-pin serial port 1 -      CN1      10-pin serial port 2 -      JP4
  external                            internal

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

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

  10-pin serial port 1 -     JP3      25-pin parallel port -      JP15
  internal                            external

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

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

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

  »   Floppy drive address 3F0h                 JP6/B        Pins 2 & 3
                                                              closed

      Floppy drive address 370h                 JP6/B        Pins 1 & 2
                                                              closed

  »   IDE interface enabled                     JP6/C        Pins 1 & 2
                                                              closed

      IDE interface disabled                    JP6/C        Pins 2 & 3
                                                              closed

  »   IDE address is 170h                       JP6/D        Pins 1 & 2
                                                              closed

      IDE address is 1F0h                       JP6/D        Pins 2 & 3
                                                              closed

  »   Floppy drive interface enabled            JP6/E        Pins 1 & 2
                                                              closed

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

  »   Game port enabled                         JP16          Closed

      Game port disabled                        JP16           Open

                       IDEIOR/IDEIOW PATH SELECTION

              Path                     Label               Position

  »           ATBUS IOR                  J1           Pins 2 & 3 closed

            W83758P—IOROP                J1           Pins 1 & 2 closed

  »           ATBUS IOW                  J2           Pins 2 & 3 closed

            W83758P—IOWOP                J2           Pins 1 & 2 closed

                      PARALLEL PORT ADDRESS SELECTION

          Setting                    JP9/E                  JP9/F

  »        LPT1 (378h)         Pins 2 & 3 closed      Pins 1 & 2 closed

           LPT2 (278h)         Pins 1 & 2 closed      Pins 2 & 3 closed

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

                      SERIAL PORT 1 ADDRESS SELECTION

           Setting                   JP9/A                  JP9/B

  »        COM1 (3F8h)         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

           Setting                   JP9/C                  JP9/D

  »        COM2 (2F8h)         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               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