
ABC COMPUTER COMPANY, LTD.

16 BIT MULTI-I/O

  Data bus:                  16-bit, ISA

  Size:                      Half-length, full-height card

  Hard drive supported:      Two IDE (AT) Interface drives

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

[Image]

                                CONNECTIONS

                    Function                             Location

  34-pin control cable connector - floppy drive             J1

  34-pin control cable connector - floppy                   J2
  drive/tape drive

  2-pin connector - Drive active LED                        J3

  40-pin IDE(AT) Interface connector                        J4

  10-pin serial port (COM1/3) - internal                    J5

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

  15-pin game port - external                               J7

  25-pin parallel port (LPT1/2) - external                  J8

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

     Disk change signal is set to            JP1             closed
      normal operation

      Disk change signal is set to            JP1              open
      diagnostic mode

     I/O Channel Ready signal                JP2             closed
      disabled

      I/O Channel Ready signal                JP2              open
      enabled

     Game Port (J7) enabled                 JP10             closed

      Game Port (J7) disabled                JP10              open

                     PARALLEL PORT (J8) CONFIGURATION

         LPT/IRQ               JP3            JP6              JP9

         LPT1/IRQ7             on            off           pins 2 & 3
                                                              closed

          LPT2/IRQ5            off             on           pins 1 & 2
                                                              closed

           Disabled            off            off              n/a

                     SERIAL PORT 2 (J6) CONFIGURATION

           COM/IRQ                     JP4                   JP7

           COM2/IRQ3                closed           pins 1 & 2 closed

            COM4/IRQ5                 open            pins 2 & 3 closed

                     SERIAL PORT 1 (J5) CONFIGURATION

           COM/IRQ                     JP5                   JP8

           COM1/IRQ4                closed           pins 1 & 2 closed

            COM3/IRQ9                 open            pins 2 & 3 closed

