DTK COMPUTER, INC.
==================

   PTI-206B

   Category                     Video                             
   Video Types Supported        EGA                               
   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/C-D/50792-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose       | Location |     Purpose     | Location |
   |--------------------+----------+-----------------+----------|
   | 32-pin feature     |   CN1    | 25-pin parallel |   CN3    |
   | connector          |          | port            |          |
   |--------------------+----------+-----------------+----------|
   | 9-pin digital      |   CN2    | Light pen       |    P1    |
   | video port         |          | connector       |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |  >> LPT/Address   |        JP1         |        JP2         |
   |------------------+--------------------+--------------------|
   |>> |  LPT1/378h   |    1 & 2 closed    | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |>> |  LPT2/278h   | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     MONOCHROME DISPLAY                     |
   |------------------------------------------------------------|
   |            Setting            |            JP3             |
   |-------------------------------+----------------------------|
   |           MDA mode            |            Open            |
   |-------------------------------+----------------------------|
   |         Hercules mode         |           Closed           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        MONITOR TYPE                        |
   |------------------------------------------------------------|
   |         >> Setting          |              JP4              |
   |----------------------------+-------------------------------|
   |>> |         Color          |       Pins 1 & 2 closed       |
   |---+------------------------+-------------------------------|
   |>> |       Monochrome       |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  PRIMARY ADAPTER SETTINGS                  |
   |------------------------------------------------------------|
   |   >> Primary    |  Secondary  | SW1/1 | SW1/2 |SW1/3 |SW1/4 |
   |----------------+-------------+-------+-------+------+------|
   |>>|  640 x 350   | Monochrome  |  Off  |  On   |  On  | Off  |
   |-+--------------+-------------+-------+-------+------+------|
   |>>| 40 x 25 text | Monochrome  |  On   |  Off  | Off  |  On  |
   |-+--------------+-------------+-------+-------+------+------|
   |>>| 80 x 25 text | Monochrome  |  Off  |  Off  | Off  |  On  |
   |-+--------------+-------------+-------+-------+------+------|
   |>>|  640 x 200   | Monochrome  |  On   |  On   |  On  | Off  |
   |-+--------------+-------------+-------+-------+------+------|
   |>>|  Monochrome  |40 x 25 text |  On   |  Off  |  On  | Off  |
   |-+--------------+-------------+-------+-------+------+------|
   |>>|  Monochrome  |80 x 25 text |  Off  |  Off  |  On  | Off  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SECONDARY ADAPTER SETTINGS                 |
   |------------------------------------------------------------|
   |  Secondary   |   Primary   | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
   |--------------+-------------+-------+-------+-------+-------|
   | 40 x 25 text | Monochrome  |  On   |  On   |  On   |  On   |
   |--------------+-------------+-------+-------+-------+-------|
   | 80 x 25 text | Monochrome  |  Off  |  On   |  On   |  On   |
   |--------------+-------------+-------+-------+-------+-------|
   |  640 x 200   | Monochrome  |  On   |  Off  |  On   |  On   |
   |--------------+-------------+-------+-------+-------+-------|
   |  640 x 350   | Monochrome  |  Off  |  Off  |  On   |  On   |
   |--------------+-------------+-------+-------+-------+-------|
   |  Monochrome  |   40 x 25   |  On   |  On   |  Off  |  On   |
   |              |    text     |       |       |       |       |
   |--------------+-------------+-------+-------+-------+-------|
   |  Monochrome  |   80 x 25   |  Off  |  On   |  Off  |  On   |
   |              |    text     |       |       |       |       |
   +------------------------------------------------------------+