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)       

<gopher://bitreich.org/I/th99/v/P-R/51105-1.png>
   

   +------------------------------------------------------------+
   |                        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             |
   +------------------------------------------------------------+