
KOUWELL ELECTRONIC CORPORATION

KM-528

Card Type                   Multi I/O card
Chipset/Controller          National Semiconductor
I/O Options                 Floppy drive interface, game port, parallel
                            port, serial ports (2)
Maximum DRAM                N/A

[Image]

                                CONNECTIONS

        Purpose           Location           Purpose           Location

  Serial port 1             CN2        Game port DB-15           CN4B

  Serial port 2             CN3        Parallel port              CN5

  Game port 16-pin          CN4A
  header

             FACTORY CONFIGURED SETTINGS

          Jumpers                   Settings

            J1               Pins 2 & 3, 4 & 5 closed

            J2                  Pins 2 & 3 closed

            J3               Pins 2 & 3, 4 & 5 closed

            J4                  Pins 2 & 3 closed

            J5                  Pins 2 & 3 closed

            J6                  Pins 2 & 3 closed

            J7                  Pins 2 & 3 closed

            J8                  Pins 2 & 3 closed

                         SERIAL PORT CONFIGURATION

   Port 1 (CN2)        Port 2       J10A      J10B      J10C       J10D
                       (CN3)

        COM1           COM2        Open      Open      Pins 1   Pins 2 &
                                                         & 2        3

         COM1         Disabled      Open      Open      Open     Pins 2 &
                                                                    3

       Disabled         COM2        Open      Open      Pins 1     Open
                                                         & 2

         COM3           COM4       Pins 1    Pins 2     Open       Open
                                    & 2       & 3

         COM3         Disabled      Open     Pins 2     Open       Open
                                              & 3

       Disabled         COM4       Pins 1     Open      Open       Open
                                    & 2

  Note:Pins designated should be in the closed position.

                       SERIAL PORT INTERRUPT SELECT

   Port 1 (CN2)        Port 2       J12A      J12B      J12C       J12D
                       (CN3)

        IRQ4           IRQ3        Open     Pins 1     Pins 2     Open
                                              & 2        & 3

         IRQ4         Disabled      Open      Open      Pins 2     Open
                                                         & 3

       Disabled         IRQ3        Open     Pins 1     Open       Open
                                              & 2

         IRQ5           IRQ2       Pins 1     Open      Open     Pins 2 &
                                    & 2                             3

         IRQ5         Disabled      Open      Open      Open     Pins 2 &
                                                                    3

       Disabled         IRQ2       Pins 1     Open      Open       Open
                                    & 2

  Note:Pins designated should be in the closed position.

                        PARALLEL PORT CONFIGURATION

      LPT                Mode                  J9               J11

        1          Unidirectional         Pins 1 & 2        Pins 4 & 5
                                             closed           closed

         2           Bidirectional         Pins 2 & 3        Pins 5 & 6
                                             closed           closed

