
ATC/UNITRON COMPUTER & COMPUTER PARTS

U3978

Card Type               Hard drive controller card
Hard Drives supported   Two IDE drives
Floppy drives supported Two 360KB, 720KB, 1.2MB, or 1.44MB drives
I/O Options             Serial ports (2), parallel port
Data Bus                32-bit VESA Local Bus
Card Size               Full-length, full-height card

[Image]

                                CONNECTIONS

        Function           Location          Function           Location

  40-pin primary IDE(AT)      J1       10-pin serial port 1        J5
  connector                            - internal

  4-pin connector -           J2       10-pin serial port 2        J6
  drive active LED                     - internal

  34-pin cable connector      J3       25-pin parallel port        J7
  - floppy drive                       - external

  16-pin game port            J4

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

     Floppy drive interface enabled             JP6         Pins 1 & 2
                                                              closed

      Floppy drive interface disabled            JP6         Pins 2 & 3
                                                              closed

     Game port enabled                          JP7         Pins 1 & 2
                                                              closed

      Game port disabled                         JP7         Pins 2 & 3
                                                              closed

     IDE interface enabled                     JP17         Pins 1 & 2
                                                              closed

      IDE interface disabled                    JP17         Pins 2 & 3
                                                              closed

               PARALLEL PORT ADDRESS SELECTION

       Setting               JP8                  JP9

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

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

      Disabled               N/A           Pins 2 & 3 closed

               SERIAL PORT 1 ADDRESS SELECTION

       Setting               JP12                 JP13

     COM1 (3F8h)       Pins 1 & 2 closed   Pins 1 & 2 closed

     COM3 (3E8h)       Pins 2 & 3 closed   Pins 1 & 2 closed

      Disabled               N/A           Pins 2 & 3 closed

               SERIAL PORT 2 ADDRESS SELECTION

       Setting               JP10                 JP11

     COM2 (2F8h)       Pins 1 & 2 closed   Pins 1 & 2 closed

     COM4 (2E8h)       Pins 1 & 2 closed   Pins 2 & 3 closed

      Disabled         Pins 2 & 3 closed          N/A

       PARALLEL PORT IRQ SELECTION

        IRQ                 JP14

         5            Pins 2 & 3 closed

         7            Pins 1 & 2 closed

                             PR4030 SELECTION

      Setting             JP1               JP2               JP15

      ID=000           Pins 1 & 2        Pins 1 & 2         Pins 2 & 3
                        closed            closed             closed

                 I/O PORT ADDRESS SELECTION

      Address               JP3                 JP16

        26h          Pins 1 & 2 closed   Pins 2 & 3 closed

        2Ah          Pins 2 & 3 closed   Pins 2 & 3 closed

        2Eh          Pins 1 & 2 closed   Pins 1 & 2 closed

        34h          Pins 2 & 3 closed   Pins 1 & 2 closed

