STAR GATE TECHNOLOGIES, INC.

OPTUM 8

Card Type           Serial card
Chipset Controller  N/A
I/O Options         Serial ports (8 serial ports on external panel)
Maximum DRAM        N/A

[Image]

                               CONNECTIONS

               Purpose                             Location

  62-pin serial interface connector                  CN1

                               INTERRUPT SELECTION TABLE 1

   IRQ     SW3/1   SW3/2   SW3/3   SW3/4   SW3/5   SW3/6   SW3/7   SW3/8  SW2/1   SW2/2

  »   4     Off     Off     Off     Off    Off     Off     Off      On     Off     On

      2/9   Off     Off     Off     Off    Off     Off     Off     Off     On      Off

      3     Off     Off     Off     Off    Off     Off     Off     Off     Off     Off

      5     Off     Off     Off     Off    Off     Off      On     Off     Off     Off

      6     Off     Off     Off     Off    Off      On     Off     Off     Off     Off

      7     Off     Off     Off     Off     On     Off     Off     Off     Off     Off

      10    Off     Off     Off     On     Off     Off     Off     Off     Off     Off

      11    Off     Off     On      Off    Off     Off     Off     Off     Off     Off

      12    Off     On      Off     Off    Off     Off     Off     Off     Off     Off

      15    On      Off     Off     Off    Off     Off     Off     Off     Off     Off

                             INTERRUPT SELECTION TABLE 2

  IRQ   SW3/1  SW3/2   SW3/3   SW3/4   SW3/5   SW3/6   SW3/7   SW3/8   SW2/1  SW2/2

  2/9   Off     Off     Off     Off     Off    Off     Off     Off     Off     On

  5     Off     Off     Off     Off     Off    Off      On     Off     Off     Off

  6     Off     Off     Off     Off     Off     On     Off     Off     Off     Off

  7     Off     Off     Off     Off     On     Off     Off     Off     Off     Off

  10    Off     Off     Off     On      Off    Off     Off     Off     Off     Off

  11    Off     Off     On      Off     Off    Off     Off     Off     Off     Off

  12    Off     On      Off     Off     Off    Off     Off     Off     Off     Off

  15     On     Off     Off     Off     Off    Off     Off     Off     Off     Off

  Note: In this mode port 1 is set to IRQ4 and port 2 is set to IRQ3. All other
  ports are set as above.

  INTERRUPT TABLE SELECTION

     Table          SW2/3

    Table 1          Off

    Table 2          On

                        BASE I/O ADDRESS SELECTION

    Port 1      Port 2   Port 3    Port 4    SW1/2     SW1/3      SW1/4

  »    3F8h     2F8h      280h     288h       Off       Off        Off

       180h     188h      190h     198h       Off       Off         On

       190h     198h      1A0h     1A8h       Off        On        Off

       290h     298h      2A0h     2A8h       Off        On         On

       3F8h     2F8h      3E8h     2E8h       On        Off        Off

       6A0h     6A8h      7E8h     6E8h       On        Off         On

       298h     2A0h      2A8h     2B0h       On         On        Off

       198h     1A0h      1A8h     1B0h       On         On         On

                    BASE I/O ADDRESS SELECTION (CON’T)

  Port 5   Port 6   Port 7   Port 8   Status     SW1/2    SW1/3     SW1/4

  290h      298h    2A0h     2A0h      7F8h       Off      Off      Off

  1A0h      1A8h    1B0h     1B8h      580h       Off      Off       On

  1B0h      1B8h    1C0h     1C8h      1D0h       Off       On      Off

  2B0h      2B8h    2C0h     2C8h      2D0h       Off       On       On

  280h      288h    290h     298h      FF8h       On       Off      Off

  680h      688h    690h     698h      EF8h       On       Off       On

  2B8h      2C0h    2C8h     2D0h      288h       On        On      Off

  1B8h      1C0h    1C8h     1D0h      188h       On        On       On

  I/O CYCLE DURATION SELECTION

     Speed            SW2/4

    4-clock            On

    6-clock            Off

  FACTORY CONFIGURED - DO NOT ALTER

      Switch            Position

       SW1/1               Off