TEKNOR INDUSTRIAL COMPUTERS, INC.
=================================

   TEK-850

   Card Type    Serial Expansion card                             
   Chip Set     Unidentified                                      
   I/O Options  Parallel port, serial ports (2), PC/104 ports (2) 

<gopher://bitreich.org/I/th99/i/S-T/55002-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function     | Label |        Function         | Label |
   |------------------+-------+-------------------------+-------|
   | Parallel port    |  J1   | 8-bit PC/104 connector  |  P1   |
   |------------------+-------+-------------------------+-------|
   | Serial port 1    |  J2   | 16-bit PC/104 connector |  P2   |
   |------------------+-------+-------------------------+-------|
   | Serial port 2    |  J3   |                         |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Label | Position  |
   |----------------------------------------+-------+-----------|
   |>> RTSA - CTSA normal operation         |  W19  |   Open    |
   |----------------------------------------+-------+-----------|
   | RTSA - CTSA loopback enabled           |  W19  |  Closed   |
   |----------------------------------------+-------+-----------|
   |>> DSRA - DTRA normal operation         |  W20  |  Closed   |
   |----------------------------------------+-------+-----------|
   | DSRA - DTRA loopback enabled           |  W20  |   Open    |
   |----------------------------------------+-------+-----------|
   |>> RTSB - CTSB normal operation         |  W21  |   Open    |
   |----------------------------------------+-------+-----------|
   | RTSB - CTSB loopback enabled           |  W21  |  Closed   |
   |----------------------------------------+-------+-----------|
   |>> DSRB - DTRB normal operation         |  W22  |  Closed   |
   |----------------------------------------+-------+-----------|
   | DSRB - DTRB loopback enabled           |  W22  |   Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  COM A PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   | Setting  |     W11      |    W12     |   W13    |   W14    |
   |----------+--------------+------------+----------+----------|
   |>> RS-232 |  Pins 1 & 2  | Pins 1 & 2 | Pins 1 & | Pins 1 & |
   |          |    closed    |   closed   | 2 closed | 2 closed |
   |----------+--------------+------------+----------+----------|
   |  RS-485  |  Pins 2 & 3  | Pins 2 & 3 | Pins 2 & | Pins 2 & |
   |          |    closed    |   closed   | 3 closed | 3 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  COM B PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   | Setting  |     W15      |    W16     |   W17    |   W18    |
   |----------+--------------+------------+----------+----------|
   |>> RS-232 |  Pins 1 & 2  | Pins 1 & 2 | Pins 1 & | Pins 1 & |
   |          |    closed    |   closed   | 2 closed | 2 closed |
   |----------+--------------+------------+----------+----------|
   |  RS-485  |  Pins 2 & 3  | Pins 2 & 3 | Pins 2 & | Pins 2 & |
   |          |    closed    |   closed   | 3 closed | 3 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |  W10/Pins 9 & 10   |  W10/Pins 11 & 12  |
   |------------------+--------------------+--------------------|
   |   LPT1 (378h)    |        Open        |        Open        |
   |------------------+--------------------+--------------------|
   |  >> LPT2 (278h)   |       Closed       |        Open        |
   |------------------+--------------------+--------------------|
   |   LPT3 (3BCh)    |        Open        |       Closed       |
   |------------------+--------------------+--------------------|
   |     Disabled     |       Closed       |       Closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 1 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |      Setting      |   W10/Pins 5 & 6   |  W10/Pins 7 & 8   |
   |-------------------+--------------------+-------------------|
   |    COM1 (3F8h)    |        Open        |       Open        |
   |-------------------+--------------------+-------------------|
   |   >> COM2 (3E8h)   |       Closed       |       Open        |
   |-------------------+--------------------+-------------------|
   |    COM3 (358h)    |        Open        |      Closed       |
   |-------------------+--------------------+-------------------|
   |    COM4 (338h)    |       Closed       |      Closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 2 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |   W10/Pins 1 & 2   |   W10/Pins 3 & 4   |
   |------------------+--------------------+--------------------|
   |   COM1 (2F8h)    |        Open        |        Open        |
   |------------------+--------------------+--------------------|
   |   COM2 (2E8h)    |       Closed       |        Open        |
   |------------------+--------------------+--------------------|
   |   COM3 (258h)    |        Open        |       Closed       |
   |------------------+--------------------+--------------------|
   |   COM4 (238h)    |       Closed       |       Closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 1 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   | IRQ  |  W1  |  W2  |  W3  |  W4  |  W5  |  W6  | W7  | W8  |
   |------+------+------+------+------+------+------+-----+-----|
   | IRQ3 | Open | Open | Open | Open | Open | Open |Open |1 & 2|
   |------+------+------+------+------+------+------+-----+-----|
   |>> IRQ4| Open | Open | Open | Open | Open | Open |1 & 2|Open |
   |------+------+------+------+------+------+------+-----+-----|
   | IRQ9 | Open | Open | Open | Open | Open |1 & 2 |Open |Open |
   |------+------+------+------+------+------+------+-----+-----|
   |IRQ10 | Open | Open | Open | Open |1 & 2 | Open |Open |Open |
   |------+------+------+------+------+------+------+-----+-----|
   |IRQ11 | Open | Open | Open |1 & 2 | Open | Open |Open |Open |
   |------+------+------+------+------+------+------+-----+-----|
   |IRQ12 | Open | Open |1 & 2 | Open | Open | Open |Open |Open |
   |------+------+------+------+------+------+------+-----+-----|
   |IRQ14 | Open |1 & 2 | Open | Open | Open | Open |Open |Open |
   |------+------+------+------+------+------+------+-----+-----|
   |IRQ15 |1 & 2 | Open | Open | Open | Open | Open |Open |Open |
   |------------------------------------------------------------|
   |Note: Pins designated are closed                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 2 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   | IRQ  |  W1  |  W2  |  W3  |  W4  |  W5  |  W6  | W7  | W8  |
   |------+------+------+------+------+------+------+-----+-----|
   | IRQ3 | Open | Open | Open | Open | Open | Open |Open |2 & 3|
   |------+------+------+------+------+------+------+-----+-----|
   |>> IRQ4| Open | Open | Open | Open | Open | Open |2 & 3|Open |
   |------+------+------+------+------+------+------+-----+-----|
   | IRQ9 | Open | Open | Open | Open | Open |2 & 3 |Open |Open |
   |------+------+------+------+------+------+------+-----+-----|
   |IRQ10 | Open | Open | Open | Open |2 & 3 | Open |Open |Open |
   |------+------+------+------+------+------+------+-----+-----|
   |IRQ11 | Open | Open | Open |2 & 3 | Open | Open |Open |Open |
   |------+------+------+------+------+------+------+-----+-----|
   |IRQ12 | Open | Open |2 & 3 | Open | Open | Open |Open |Open |
   |------+------+------+------+------+------+------+-----+-----|
   |IRQ14 | Open |2 & 3 | Open | Open | Open | Open |Open |Open |
   |------+------+------+------+------+------+------+-----+-----|
   |IRQ15 |2 & 3 | Open | Open | Open | Open | Open |Open |Open |
   |------------------------------------------------------------|
   |Note: Pins designated are closed                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |            IRQ             |              W9               |
   |----------------------------+-------------------------------|
   |           >> IRQ5           |       Pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |            IRQ7            |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+