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       # QDI COMPUTER, INC.
       
          S3VGA PS805
       
          Category                     Video                             
          Video Types Supported        XVGA                              
          Video Processor              Unidentified                      
          Highest Resolution Supported 1280 x 1024                       
          Data Bus Type                VESA local bus                    
          Memory Type                  DRAM                              
          Maximum Onboard Memory       2MB (location unidentified)       
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |   Purpose   | Location |        Purpose         | Location |
          |-------------+----------+------------------------+----------|
          | VGA feature |   CN1    | 15-pin analog video    |   CN2    |
          | connector   |          | port                   |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         INTERRUPT                          |
          |------------------------------------------------------------|
          |              IRQ9               |           JP1            |
          |---------------------------------+--------------------------|
          | » |          Disabled           |           Open           |
          |---+-----------------------------+--------------------------|
          |   |           Enabled           |          Closed          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DAC ACCESS TIMING                      |
          |------------------------------------------------------------|
          |          Setting           |              J3               |
          |----------------------------+-------------------------------|
          | » |        Primary         |       Pins 1 & 2 closed       |
          |---+------------------------+-------------------------------|
          |   |       Alternate        |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        REFRESH RATE                        |
          |------------------------------------------------------------|
          |              Rate                |     J1     |     J2     |
          |----------------------------------+------------+------------|
          | » |  H-sync 43Hz (interlaced),   | Pins 1 & 2 | Pins 1 & 2 |
          |   |      V-sync up to 36KHz      |   closed   |   closed   |
          |---+------------------------------+------------+------------|
          |   |         H-sync 70Hz          | Pins 2 & 3 | Pins 2 & 3 |
          |   | (non-interlaced), V-sync up  |   closed   |   closed   |
          |   |           to 57KHz           |            |            |
          |---+------------------------------+------------+------------|
          |   |         H-sync 60Hz          | Pins 2 & 3 | Pins 1 & 2 |
          |   | (non-interlaced), V-sync up  |   closed   |   closed   |
          |   |           to 48KHz           |            |            |
          |---+------------------------------+------------+------------|
          |   |         H-sync 56Hz          | Pins 1 & 2 | Pins 2 & 3 |
          |   | (non-interlaced), V-sync up  |   closed   |   closed   |
          |   |           to 39KHz           |            |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    BANK ORDER SELECTION                    |
          |------------------------------------------------------------|
          |           Order            |              JP2              |
          |----------------------------+-------------------------------|
          | » |         Normal         |   Pins 1 & 3, 2 & 4 closed    |
          |---+------------------------+-------------------------------|
          |   |        Reversed        |   Pins 1 & 2, 3 & 4 closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 FACTORY CONFIGUED SETTINGS                 |
          |------------------------------------------------------------|
          |           Jumper            |           Setting            |
          |-----------------------------+------------------------------|
          |             W1              |             Open             |
          +------------------------------------------------------------+