
KOUWELL ELECTRONIC CORPORATION

KW-509B

Card Type          Serial port card
Chipset/Controller Unidentified UART
I/O Options        Serial ports (2)
Maximum DRAM       N/A

[Image]

                                CONNECTIONS

        Purpose           Location           Purpose           Location

  Serial port 1 (25          J1        Serial port 2 (9           J2
  pin)                                 pin)

                       SERIAL PORT 1 ADDRESS SELECT

       Port 1(J1)           JP5          JP6         JP7          JP8

      COM1/3F8-3FFh      All open    All open     All open    Pins 1 & 2
                                                                 closed

       COM2/2F8-2FFh      All open    All open     Pins 1 &     All open
                                                   2 closed

       COM3/3E8-3EFh      All open     Pins 1 &    All open     All open
                                      2 closed

       COM4/2E8-2EFh      Pins 1 &    All open     All open     All open
                          2 closed

                       SERIAL PORT 2 ADDRESS SELECT

       Port 2(J2)           JP5          JP6         JP7          JP8

      COM2/2F8-2FFh      All open    All open     Pins 2 &     All open
                                                   3 closed

       COM1/3F8-3FFh      All open    All open     All open    Pins 2 & 3
                                                                 closed

       COM3/3E8-3EFh      All open     Pins 2 &    All open     All open
                                      3 closed

       COM4/2E8-2EFh      Pins 2 &    All open     All open     All open
                          3 closed

                         SERIAL PORT 1 IRQ SELECT

   Port 1(J1)         JP1           JP2            JP3           JP4

       IRQ4       All open      Pins 2 & 3     All open       All open
                                   closed

        IRQ2       All open       All open      All open      Pins 2 & 3
                                                                closed

        IRQ3       All open       All open      Pins 2 & 3     All open
                                                 closed

        IRQ5       Pins 2 & 3     All open      All open       All open
                    closed

                         SERIAL PORT 2 IRQ SELECT

   Port 2(J2)         JP1           JP2            JP3           JP4

       IRQ3       All open       All open      Pins 1 & 2     All open
                                                 closed

        IRQ2       All open       All open      All open      Pins 1 & 2
                                                                closed

        IRQ4       All open      Pins 1 & 2     All open       All open
                                   closed

        IRQ5       Pins 1 & 2     All open      All open       All open
                    closed

