(TXT) View Source
       
       # GENOA SYSTEMS CORPORATION
       
          4850-5
       
          Category                     Video                             
          Video Types Supported        EGA                               
          Video Processor              Unidentified                      
          Highest Resolution Supported 800 x 600                         
          Data Bus Type                8-bit ISA                         
          Memory Type                  DRAM                              
          Maximum Onboard Memory       256KB                             
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Purpose      | Location |     Purpose      | Location |
          |-------------------+----------+------------------+----------|
          | Composite display |    J1    | 9-pin digital    |    J4    |
          | jack              |          | video port       |          |
          |-------------------+----------+------------------+----------|
          | Composite display |    J2    | 32-pin feature   |    J5    |
          | jack              |          | connector        |          |
          |-------------------+----------+------------------+----------|
          | Light pen         |    J3    |                  |          |
          | connector         |          |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          CHIPSET                           |
          |------------------------------------------------------------|
          |          Setting           |             JMP1              |
          |----------------------------+-------------------------------|
          |    27128 chip installed    |   Pins 1 & 2, 4 & 5 closed    |
          |----------------------------+-------------------------------|
          |    27256 chip installed    |   Pins 2 & 3, 5 & 6 closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        I/O ADDRESS                         |
          |------------------------------------------------------------|
          |         » Address          |             JMP2              |
          |----------------------------+-------------------------------|
          | »  |         3XXh          |       Pins 2 & 3 closed       |
          |----+-----------------------+-------------------------------|
          | »  |         2XXh          |       Pins 1 & 2 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        MONITOR TYPE                        |
          |------------------------------------------------------------|
          |           Setting            |            JMP3             |
          |------------------------------+-----------------------------|
          |             EGA              |      Pins 1 & 2 closed      |
          |------------------------------+-----------------------------|
          |      CGA or monochrome       |      Pins 2 & 3 closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  PRIMARY ADAPTER SETTINGS                  |
          |------------------------------------------------------------|
          |   EGA    |  Mono   |      CGA      |SW1/1|SW1/2|SW1/3|SW1/4|
          |----------+---------+---------------+-----+-----+-----+-----|
          | 40 x 25  |Secondary|      N/A      | On  | Off | Off | On  |
          |   text   | adapter |               |     |     |     |     |
          |----------+---------+---------------+-----+-----+-----+-----|
          | 80 x 25  |Secondary|      N/A      | Off | Off | Off | On  |
          |   text   | adapter |               |     |     |     |     |
          |----------+---------+---------------+-----+-----+-----+-----|
          |640 x 200 |Secondary|      N/A      | On  | On  | On  | Off |
          |          | adapter |               |     |     |     |     |
          |----------+---------+---------------+-----+-----+-----+-----|
          |640 x 350 |Secondary|      N/A      | Off | On  | On  | Off |
          |          | adapter |               |     |     |     |     |
          |----------+---------+---------------+-----+-----+-----+-----|
          |Monochrome|   N/A   |   Secondary   | On  | Off | On  | Off |
          |          |         |adapter 40 x 25|     |     |     |     |
          |----------+---------+---------------+-----+-----+-----+-----|
          |Monochrome|   N/A   |   Secondary   | Off | Off | On  | Off |
          |          |         |adapter 80 x 25|     |     |     |     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SECONDARY ADAPTER SETTINGS                 |
          |------------------------------------------------------------|
          |   EGA    | Mono  |       CGA       |SW1/1|SW1/2|SW1/3|SW1/4|
          |----------+-------+-----------------+-----+-----+-----+-----|
          | 40 x 25  |Primary|       N/A       | On  | On  | On  | On  |
          |   text   |adapter|                 |     |     |     |     |
          |----------+-------+-----------------+-----+-----+-----+-----|
          | 80 x 25  |Primary|       N/A       | Off | On  | On  | On  |
          |   text   |adapter|                 |     |     |     |     |
          |----------+-------+-----------------+-----+-----+-----+-----|
          |640 x 200 |Primary|       N/A       | On  | Off | On  | On  |
          |          |adapter|                 |     |     |     |     |
          |----------+-------+-----------------+-----+-----+-----+-----|
          |640 x 350 |Primary|       N/A       | Off | Off | On  | On  |
          |          |adapter|                 |     |     |     |     |
          |----------+-------+-----------------+-----+-----+-----+-----|
          |Monochrome|  N/A  | Primary adapter | On  | On  | Off | On  |
          |          |       |     40 x 25     |     |     |     |     |
          |----------+-------+-----------------+-----+-----+-----+-----|
          |Monochrome|  N/A  | Primary adapter | Off | On  | Off | On  |
          |          |       |     80 x 25     |     |     |     |     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DISPLAY MODE SELECT                     |
          |------------------------------------------------------------|
          |        Setting        |      SW1/5       |      SW1/6      |
          |-----------------------+------------------+-----------------|
          | Standard/advanced EGA |        On        |       On        |
          |-----------------------+------------------+-----------------|
          |          CGA          |       Off        |       On        |
          |-----------------------+------------------+-----------------|
          |      Monochrome       |       Off        |       Off       |
          +------------------------------------------------------------+