(TXT) View Source
       
       # DTK COMPUTER. INC.
       
          PTI-206A EGA PRINTER
       
          Card Type                    Parallel card, Video card         
          Video Chip Set               Unidentified                      
          Highest Resolution Supported 720 x 350                         
          Maximum Video Memory         256KB RAM (type unidentified)     
          Data Bus                     8-bit ISA                         
          Video Types Supported        EGA                               
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Function      | Label |    Function     |    Label     |
          |-------------------+-------+-----------------+--------------|
          | Feature connector |  J4   | 25-pin parallel |   Location   |
          |                   |       | port            | unidentified |
          |-------------------+-------+-----------------+--------------|
          | Light Pen         |  P2   | 9-pin digital   |   Location   |
          | Interface         |       | video port      | unidentified |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                | Label | Position  |
          |----------------------------------------+-------+-----------|
          | » | Secondary red output on pin 2 of   |  P1   | Pins 1 &  |
          |   | the direct drive interface         |       | 2 closed  |
          |   | connector is for use of an         |       |           |
          |   | enhanced color monitor             |       |           |
          |---+------------------------------------+-------+-----------|
          |   | Pin 2 of the direct drive          |  P1   | Pins 2 &  |
          |   | interface connector connected to   |       | 3 closed  |
          |   | the ground is                      |       |           |
          |   |                                    |       |           |
          |   | for use of a color monitor         |       |           |
          |---+------------------------------------+-------+-----------|
          | » | EGA addresses selected at 3XX      |  P3   | Pins 1 &  |
          |   |                                    |       | 2 closed  |
          |---+------------------------------------+-------+-----------|
          |   | EGA addresses selected at 2XX (not |  P3   | Pins 2 &  |
          |   | supported by BIOS)                 |       | 3 closed  |
          |---+------------------------------------+-------+-----------|
          | » | Factory configured - do not alter  | SW1/5 |    On     |
          |---+------------------------------------+-------+-----------|
          | » | Factory configured - do not alter  | SW1/6 |    On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                PARALLEL PORT CONFIGURATION                 |
          |------------------------------------------------------------|
          |      Setting      |     JP3     |     JP4     |    JP10    |
          |-------------------+-------------+-------------+------------|
          | » |     LPT1      |   Closed    |   Closed    |    Open    |
          |---+---------------+-------------+-------------+------------|
          |   |     LPT2      |    Open     |   Closed    |   Closed   |
          |---+---------------+-------------+-------------+------------|
          |   |   Disabled    |     N/A     |    Open     |    N/A     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            EGA ADAPTER CONFIGURATION (PRIMARY)             |
          |------------------------------------------------------------|
          |   Enhanced    |Monochrome|  Color  |SW1/1|SW1/2|SW1/3|SW1/4|
          |---------------+----------+---------+-----+-----+-----+-----|
          | Color Display |Secondary |   N/A   | On  | Off | Off | On  |
          |     40x25     |          |         |     |     |     |     |
          |---------------+----------+---------+-----+-----+-----+-----|
          | Color Display |Secondary |   N/A   | On  | Off | Off | Off |
          |     80x25     |          |         |     |     |     |     |
          |---------------+----------+---------+-----+-----+-----+-----|
          |Emulation mode |Secondary |   N/A   | Off | On  | On  | On  |
          |---------------+----------+---------+-----+-----+-----+-----|
          |High Res. Mode |Secondary |   N/A   | Off | On  | On  | Off |
          |---------------+----------+---------+-----+-----+-----+-----|
          |  Monochrome   |   N/A    |Secondary| Off | On  | Off | On  |
          |               |          |  40x25  |     |     |     |     |
          |---------------+----------+---------+-----+-----+-----+-----|
          |  Monochrome   |   N/A    |Secondary| Off | On  | Off | Off |
          |               |          |  80x25  |     |     |     |     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |           EGA ADAPTER CONFIGURATION (SECONDARY)            |
          |------------------------------------------------------------|
          |    Enhanced     |Monochrome| Color |SW1/1|SW1/2|SW1/3|SW1/4|
          |-----------------+----------+-------+-----+-----+-----+-----|
          |  Color Display  | Primary  |  N/A  | On  | On  | On  | On  |
          |      40x25      |          |       |     |     |     |     |
          |-----------------+----------+-------+-----+-----+-----+-----|
          |  Color Display  | Primary  |  N/A  | On  | On  | On  | Off |
          |      80x25      |          |       |     |     |     |     |
          |-----------------+----------+-------+-----+-----+-----+-----|
          | Emulation mode  | Primary  |  N/A  | On  | On  | Off | On  |
          |-----------------+----------+-------+-----+-----+-----+-----|
          | High Res. Mode  | Primary  |  N/A  | On  | On  | Off | Off |
          |-----------------+----------+-------+-----+-----+-----+-----|
          |   Monochrome    |   N/A    |Primary| On  | Off | On  | On  |
          |                 |          | 40x25 |     |     |     |     |
          |-----------------+----------+-------+-----+-----+-----+-----|
          |   Monochrome    |   N/A    |Primary| On  | Off | On  | Off |
          |                 |          | 80x25 |     |     |     |     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MISCELLANEOUS TECHNICAL NOTES                |
          |------------------------------------------------------------|
          |      Note: The purpose of SW1/7 and SW1/8 is unidentified. |
          +------------------------------------------------------------+