
SIIG, INC.

I/O EXPANDER 4S

Card Type          Serial card
Chipset Controller 16550 UART
I/O Options        Serial ports (4)
Maximum DRAM       N/A

[Image]

                                CONNECTIONS

      Purpose          Location            Purpose            Location

  25-pin serial           SE1        10-pin serial port          SE3
  port                               interface

  9-pin serial            SE2        10-pin serial port          SE4
  port                               interface

                        SERIAL PORT 1 CONFIGURATION

          COM              S1/A         S1/B         S1/C         S1/D

     COM2 (2F8h-2FFh)     Open         Open        Closed        Open

      COM1 (3F8h-3FFh)     Open         Open         Open        Closed

      COM3 (3E8h-3EFh)     Open        Closed        Open         Open

      COM4 (2E8h-2EFh)    Closed        Open         Open         Open

          Disabled         Open         Open         Open         Open

                               SERIAL PORT 1 INTERRUPT SELECTION

      IRQ       JP8/A    JP8/B    JP8/C    JP8/D    JP8/E    JP8/F    JP8/G    JP8/H   JP8/I

        3      Closed    Open     Open     Open    Open     Open     Open     Open     Open

        2/9      Open     Open     Open     Open    Closed   Open     Open     Open     Open

         4       Open    Closed    Open     Open    Open     Open     Open     Open     Open

         5       Open     Open    Closed    Open    Open     Open     Open     Open     Open

         7       Open     Open     Open    Closed   Open     Open     Open     Open     Open

        10       Open     Open     Open     Open    Open     Closed   Open     Open     Open

        11       Open     Open     Open     Open    Open     Open     Closed   Open     Open

        12       Open     Open     Open     Open    Open     Open     Open     Closed   Open

        15       Open     Open     Open     Open    Open     Open     Open     Open    Closed

      Disabled   Open     Open     Open     Open    Open     Open     Open     Open     Open

                        SERIAL PORT 2 CONFIGURATION

          COM               S2/A        S2/B         S2/C         S2/D

     COM1 (3F8h-3FFh)      Open        Open         Open        Closed

      COM2 (2F8h-2FFh)      Open        Open        Closed        Open

      COM3 (3E8h-3EFh)      Open       Closed        Open         Open

      COM4 (2E8h-2EFh)     Closed       Open         Open         Open

          Disabled          Open        Open         Open         Open

                               SERIAL PORT 2 INTERRUPT SELECTION

      IRQ       JP7/A    JP7/B    JP7/C    JP7/D    JP7/E    JP7/F    JP7/G    JP7/H   JP7/I

        4       Open    Closed    Open     Open    Open     Open     Open     Open     Open

        2/9      Open     Open     Open     Open    Closed   Open     Open     Open     Open

         3      Closed    Open     Open     Open    Open     Open     Open     Open     Open

         5       Open     Open    Closed    Open    Open     Open     Open     Open     Open

         7       Open     Open     Open    Closed   Open     Open     Open     Open     Open

        10       Open     Open     Open     Open    Open     Closed   Open     Open     Open

        11       Open     Open     Open     Open    Open     Open     Closed   Open     Open

        12       Open     Open     Open     Open    Open     Open     Open     Closed   Open

        15       Open     Open     Open     Open    Open     Open     Open     Open    Closed

      Disabled   Open     Open     Open     Open    Open     Open     Open     Open     Open

                        SERIAL PORT 3 CONFIGURATION

          COM               S3/A        S3/B         S3/C         S3/D

     COM3 (3E8h-3EFh)      Open       Closed        Open         Open

      COM1 (3F8h-3FFh)      Open        Open         Open        Closed

      COM2 (2F8h-2FFh)      Open        Open        Closed        Open

      COM4 (2E8h-2EFh)     Closed       Open         Open         Open

          Disabled          Open        Open         Open         Open

                               SERIAL PORT 3 INTERRUPT SELECTION

      IRQ       JP6/A    JP6/B    JP6/C    JP6/D    JP6/E    JP6/F    JP6/G    JP6/H   JP6/I

       10       Open     Open     Open     Open    Open     Closed   Open     Open     Open

        2/9      Open     Open     Open     Open    Closed   Open     Open     Open     Open

         3      Closed    Open     Open     Open    Open     Open     Open     Open     Open

         4       Open    Closed    Open     Open    Open     Open     Open     Open     Open

         5       Open     Open    Closed    Open    Open     Open     Open     Open     Open

         7       Open     Open     Open    Closed   Open     Open     Open     Open     Open

        11       Open     Open     Open     Open    Open     Open     Closed   Open     Open

        12       Open     Open     Open     Open    Open     Open     Open     Closed   Open

        15       Open     Open     Open     Open    Open     Open     Open     Open    Closed

      Disabled   Open     Open     Open     Open    Open     Open     Open     Open     Open

                        SERIAL PORT 4 CONFIGURATION

          COM               S4/A        S4/B         S4/C         S4/D

     COM4 (2E8h-2EFh)     Closed       Open         Open         Open

      COM1 (3F8h-3FFh)      Open        Open         Open        Closed

      COM2 (2F8h-2FFh)      Open        Open        Closed        Open

      COM3 (3E8h-3EFh)      Open       Closed        Open         Open

          Disabled          Open        Open         Open         Open

                               SERIAL PORT 4 INTERRUPT SELECTION

      IRQ       JP5/A    JP5/B    JP5/C    JP5/D    JP5/E    JP5/F    JP5/G    JP5/H   JP5/I

       11       Open     Open     Open     Open    Open     Open     Closed   Open     Open

        2/9      Open     Open     Open     Open    Closed   Open     Open     Open     Open

         3      Closed    Open     Open     Open    Open     Open     Open     Open     Open

         4       Open    Closed    Open     Open    Open     Open     Open     Open     Open

         5       Open     Open    Closed    Open    Open     Open     Open     Open     Open

         7       Open     Open     Open    Closed   Open     Open     Open     Open     Open

        10       Open     Open     Open     Open    Open     Closed   Open     Open     Open

        12       Open     Open     Open     Open    Open     Open     Open     Closed   Open

        15       Open     Open     Open     Open    Open     Open     Open     Open    Closed

      Disabled   Open     Open     Open     Open    Open     Open     Open     Open     Open

                       SERIAL PORT 3 & 4 ACTIVATION

                Chip                                Socket

                16450                                 U3

                16450                                 U4

                1489                                  U9

                1488                                  U11

                1489                                  U14

  Note: To activate serial ports 3 & 4 upgrade chips must be installed.

