SEALEVEL SYSTEMS, INC.

SIO-485

Card Type               Serial card
Chip Set                Unidentified
Maximum Onboard Memory  Unidentified
I/O Options             Serial port
Hard Drives supported   None
Floppy drives supported None
Data Bus                8-bit ISA
Card Size               Half-length, full-height

[Image]

           CONNECTIONS

    Function          Label

  Serial Port 1         J1

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

      RS-485 enabled by RTS                      E2           Closed

  »   RS-422/485 always enabled                  E2            Open

  Note: For the RS-422 and the RS-485 ports, the RS-422/485
  driver/receiver pair are installed at U6 and U7.

                      BASE I/O ADDRESS SELECTION PORT 1

    Setting     SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8

      238h       On      Off     Off     Off    Off     Off     Off     Off

      2B8h       Off     On      Off     Off    Off     Off     Off     Off

      338h       Off     Off     On      Off    Off     Off     Off     Off

      3B8h       Off     Off     Off     On     Off     Off     Off     Off

      278h       Off     Off     Off     Off     On     Off     Off     Off

      2F8h       Off     Off     Off     Off    Off      On     Off     Off

      378h       Off     Off     Off     Off    Off     Off      On     Off

  »   3F8h       Off     Off     Off     Off    Off     Off     Off      On

      Disabled   Off     Off     Off     Off    Off     Off     Off     Off

                     SERIAL PORT 1 INTERRUPT SELECTION

           IRQ                 E1/Pins 1 & 2           E1/Pins 2 & 3

      IRQ3                         Closed                  Closed

  »   IRQ4                          Open                   Closed

      None                          Open                    Open