THOMSON
=======

   EGA

   Category                     Video                             
   Video Types Supported        EGA/Monochrome                    
   Video Processor              Unidentified                      
   Highest Resolution Supported 640 x 350                         
   Data Bus Type                8-bit ISA                         
   Memory Type                  DRAM                              
   Maximum Onboard Memory       256KB                             

<gopher://bitreich.org/I/th99/v/S-T/50125-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose      | Location |     Purpose      | Location |
   |-------------------+----------+------------------+----------|
   | 15-pin analog     |   CN1    | RCA connector    |   CN3    |
   | video port        |          |                  |          |
   |-------------------+----------+------------------+----------|
   | RCA connector     |   CN2    | InPort interface |   CN4    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 PORT ADDRESS CONFIGURATION                 |
   |------------------------------------------------------------|
   |            Port            |              P1               |
   |----------------------------+-------------------------------|
   |>> |          3xx           |       Pins 2 & 3 closed       |
   |---+------------------------+-------------------------------|
   |   |          2xx           |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SLOT LOCATION CONFIGURATION                 |
   |------------------------------------------------------------|
   |               Setting               |          P2          |
   |-------------------------------------+----------------------|
   |>> | Card in not installed in slot 8 |  Pins 2 & 3 closed   |
   |---+---------------------------------+----------------------|
   |   |   Card is installed in slot 8   |  Pins 1 & 2 closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               INPORT INTERFACE CONFIGURATION               |
   |------------------------------------------------------------|
   |             Setting              |           P3            |
   |----------------------------------+-------------------------|
   |>>    |          Enabled          |         Closed          |
   |------+---------------------------+-------------------------|
   |      |         Disabled          |          Open           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 INPORT INTERRUPT SELECTION                 |
   |------------------------------------------------------------|
   |            IRQ             |              P4               |
   |----------------------------+-------------------------------|
   |>>          |       2       |       Pins 1 & 2 closed       |
   |------------+---------------+-------------------------------|
   |            |       3       |       Pins 3 & 4 closed       |
   |------------+---------------+-------------------------------|
   |            |       4       |       Pins 5 & 6 closed       |
   |------------+---------------+-------------------------------|
   |            |       5       |       Pins 7 & 8 closed       |
   |------------+---------------+-------------------------------|
   |            |      10       |      Pins 9 & 10 closed       |
   |------------+---------------+-------------------------------|
   |            |      11       |      Pins 11 & 12 closed      |
   |------------+---------------+-------------------------------|
   |            |      12       |      Pins 13 & 14 closed      |
   |------------+---------------+-------------------------------|
   |            |      15       |      Pins 15 & 16 closed      |
   |------------------------------------------------------------|
   | Note: IRQ10, 11, 12 and 15 are reserved for future use.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   MONITOR TYPE SELECTION                   |
   |------------------------------------------------------------|
   |                  Type                  |        P5         |
   |----------------------------------------+-------------------|
   |>> |  Enhanced color or/Auto-scanning   | Pins 1 & 2 closed |
   |   |              display               |                   |
   |---+------------------------------------+-------------------|
   |   |  IBM monochrome/IBM color display  | Pins 2 & 3 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 INPORT INTERFACE SELECTION                 |
   |------------------------------------------------------------|
   |          Setting           |              P6               |
   |----------------------------+-------------------------------|
   |>> |        Primary         |       Pins 2 & 3 closed       |
   |---+------------------------+-------------------------------|
   |   |       Secondary        |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DUAL MONITOR CONFIGURATION                 |
   |------------------------------------------------------------|
   |   Primary    |  Secondary  | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
   |  (Thompson   |             |       |       |       |       |
   |     EGA)     |             |       |       |       |       |
   |--------------+-------------+-------+-------+-------+-------|
   |  Monochrome  | Color 40 x  |  Off  |  On   |  Off  |  On   |
   |              |     25      |       |       |       |       |
   |--------------+-------------+-------+-------+-------+-------|
   |  Monochrome  | Color 80 x  |  Off  |  On   |  Off  |  Off  |
   |              |     25      |       |       |       |       |
   |--------------+-------------+-------+-------+-------+-------|
   |  Color 40 x  | Monochrome  |  On   |  Off  |  Off  |  On   |
   |      25      |             |       |       |       |       |
   |--------------+-------------+-------+-------+-------+-------|
   |  Color 80 x  | Monochrome  |  On   |  Off  |  Off  |  Off  |
   |      25      |             |       |       |       |       |
   |--------------+-------------+-------+-------+-------+-------|
   |  CGA 320 x   | Monochrome  |  Off  |  On   |  On   |  On   |
   |     200      |             |       |       |       |       |
   |--------------+-------------+-------+-------+-------+-------|
   |  EGA 640 x   | Monochrome  |  Off  |  On   |  On   |  Off  |
   |     350      |             |       |       |       |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DUAL MONITOR CONFIGURATION                 |
   |------------------------------------------------------------|
   |   Primary   |  Secondary   | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
   |             |  (Thompson   |       |       |       |       |
   |             |     EGA)     |       |       |       |       |
   |-------------+--------------+-------+-------+-------+-------|
   | Color 40 x  |  Monochrome  |  On   |  Off  |  On   |  On   |
   |     25      |              |       |       |       |       |
   |-------------+--------------+-------+-------+-------+-------|
   | Color 80 x  |  Monochrome  |  On   |  Off  |  On   |  Off  |
   |     25      |              |       |       |       |       |
   |-------------+--------------+-------+-------+-------+-------|
   | Monochrome  |  Color 40 x  |  On   |  On   |  On   |  On   |
   |             |      25      |       |       |       |       |
   |-------------+--------------+-------+-------+-------+-------|
   | Monochrome  |  Color 80 x  |  On   |  On   |  On   |  Off  |
   |             |      25      |       |       |       |       |
   |-------------+--------------+-------+-------+-------+-------|
   | Monochrome  |  CGA 320 x   |  On   |  On   |  Off  |  On   |
   |             |     200      |       |       |       |       |
   |-------------+--------------+-------+-------+-------+-------|
   | Monochrome  |  EGA 640 x   |  On   |  On   |  Off  |  Off  |
   |             |     350      |       |       |       |       |
   +------------------------------------------------------------+