TEKNOR INDUSTRIAL COMPUTERS, INC.

TEK-857

Card Type          Serial Expansion card
Chip Set           Unidentified
I/O Options        Serial ports (3), PC/104 connectors (2)

[Image]

                                CONNECTIONS

         Function            Label           Function             Label

  Serial port A, B, C, D      J1      16-bit PC/104 connector   P1/C & D
  connector

  Serial port E connector     J2      8-bit PC/104 connector    P2/A & B

  Serial port F connector     J3

                    COM B TERMINATION RESISTOR SETTINGS

                   Function                      Label       Position

  CH.A termination enabled                        W3          Closed

  CH.A termination disabled                       W3           Open

  CH.B termination enabled                        W4          Closed

  CH.B termination disabled                       W4           Open

                    COM C TERMINATION RESISTOR SETTINGS

                   Function                      Label       Position

  CH.A termination enabled                        W6          Closed

  CH.A termination disabled                       W6           Open

  CH.B termination enabled                        W5          Closed

  CH.B termination disabled                       W5           Open

                    COM D TERMINATION RESISTOR SETTINGS

                   Function                      Label       Position

  CH.A termination enabled                        W8          Closed

  CH.A termination disabled                       W8           Open

  CH.B termination enabled                        W7          Closed

  CH.B termination disabled                       W7           Open

                        BASE I/O ADDRESS SELECTION

  Alternate    COM A   COM B   COM C    COM D   COM E    COM F      W1

    398h       2E8h    258h    3E8h     338h    298h     3B8h    » Open

    4D8h       438h    478h    418h     458h    498h     4B8h    Closed

                      SERIAL PORT INTERRUPT SELECTION

   COM A      COM B     COM C      COM D      COM E      COM F       W2

   IRQ11      IRQ15     IRQ10       IRQ9      IRQ11      IRQ11     » Open

  Disabled   Disabled  Disabled   Disabled   Disabled   Disabled   Closed

  Note: When the IRQ lines are enabled, COM A, COM E, and COM F share the
  same interrupt setting.