
SEALEVEL SYSTEMS, INC.

SIO-530

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               Full-length, full-height

[Image]

         CONNECTIONS

   Function        Label

  Serial Port        P1

                        USER CONFIGURABLE SETTINGS

                    Function                      Label       Position

     RS-232/Current loop Normal ground            E1/A       Pins 2 & 3
                                                               closed

      RS-530/422/485 100 ohm ground                E1/A       Pins 1 & 2
                                                               closed

     RS-232/530/485 enabled                       E1/B       Pins 2 & 3
                                                               closed

      RS-485 enabled with RTS                      E1/B       Pins 1 & 2
                                                               closed

     Current loop selects RS-232/530/485          E1/C       Pins 2 & 3
      receive data                                             closed

      Current loop selects current loop            E1/C       Pins 1 & 2
      receive data                                             closed

     RS-232/422 ring indicator enabled            E1/D       Pins 2 & 3
                                                               closed

      RS-232/422/485/current loop ring             E1/D       Pins 1 & 2
      indicator set to true                                    closed

     Data Carrier detect selects RS-232           E1/E       Pins 2 & 3
                                                               closed

      Data Carrier detect selects RS-530/485       E1/E       Pins 1 & 2
                                                               closed

     Data set ready selects RS-232                E1/F       Pins 2 & 3
                                                               closed

      Data set ready selects RS-530/485            E1/F       Pins 1 & 2
                                                               closed

     Clear to send selects RS-232                 E1/G       Pins 2 & 3
                                                               closed

      Clear to send selects RS-530/485             E1/G       Pins 1 & 2
                                                               closed

     Receive data selects RS-232                  E1/H       Pins 2 & 3
                                                               closed

      Receive data selects RS-530/485              E1/H       Pins 1 & 2
                                                               closed

      Receive data selects current loop            E1/H         Open

     Port enabled                                SW1/8          On

      Port disabled                               SW1/8          Off

                     BASE I/O ADDRESS SELECTION PORT 1

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

      280h     Off      On      Off       On       On      On        On

      2A0h     Off      On      Off       On      Off      On        On

      2E8h     Off      On      Off      Off      Off      On       Off

      2F8h     Off      On      Off      Off      Off      Off      Off

      300h     Off     Off       On       On       On      On        On

      328h     Off     Off       On       On      Off      On       Off

      3E8h     Off     Off      Off      Off      Off      On       Off

     3F8h     Off     Off      Off      Off      Off      Off      Off

                     SERIAL PORT 1 INTERRUPT SELECTION

     IRQ         E3/A        E3/B         E3/C        E3/D        E3/E

       2/9      Closed       Open         Open        Open        Open

        3        Open       Closed        Open        Open        Open

       4        Open        Open        Closed       Open        Open

        5        Open        Open         Open       Closed       Open

        7        Open        Open         Open        Open       Closed

                      SERIAL INTERRUPT MODE SELECTION

                IRQ                        E3/F                E3/G

     Normal interrupt mode               Closed               Open

      Shared interrupt mode                Open               Closed

                            PORT TYPE SELECTION

   RS-232 enabled                               E2/A-H       Pins 2 & 3
                                                               closed

      RS-530/422/485 enabled                     E2/A-H       Pins 1 & 2
                                                               closed

      Current loop with 1 k ohm pull down        E2/A-H       Pins 1 & 2
      resistor enabled                                         closed

