(TXT) View Source
       
       # BOCA RESEARCH, INC.
       
          DUAL GRAPHICS ADAPTER (DGA002)
       
          Card Type                    Parallel/Video card               
          Video Chip Set               Unidentified                      
          Highest Resolution Supported 720 x 348                         
          Maximum Video Memory         None                              
          Data Bus                     8-bit ISA                         
          Video Types Supported        Monochrome, CGA                   
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |         Function         | Label |    Function     | Label |
          |--------------------------+-------+-----------------+-------|
          | 15-pin video analog port |  CN1  | 25-pin parallel |  CN2  |
          |                          |       | port            |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    VIDEO CONFIGURATION                     |
          |------------------------------------------------------------|
          |             Type              |            J3/A            |
          |-------------------------------+----------------------------|
          | » |        Monochrome         |  Pins 1 & 3, 2 & 4 closed  |
          |---+---------------------------+----------------------------|
          |   |  Monochrome CGA display   |  Pins 3 & 5, 2 & 4 closed  |
          |---+---------------------------+----------------------------|
          |   |            CGA            |  Pins 3 & 5, 4 & 6 closed  |
          |---+---------------------------+----------------------------|
          |   |         Disabled          |  Pins 1 & 3, 4 & 6 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              PARALLEL PORT ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |          Setting           |             J3/B              |
          |----------------------------+-------------------------------|
          | » |      LPT1 (378h)       |   Pins 1 & 3, 2 & 4 closed    |
          |---+------------------------+-------------------------------|
          |   |      LPT2 (278h)       |   Pins 1 & 3, 4 & 6 closed    |
          |---+------------------------+-------------------------------|
          |   |      LPT3 (3BCh)       |   Pins 3 & 5, 2 & 4 closed    |
          |---+------------------------+-------------------------------|
          |   |        Disabled        |   Pins 3 & 5, 4 & 6 closed    |
          +------------------------------------------------------------+