QDI COMPUTER, INC.
==================

   TVGA-8900C (SOJ/DIP VERSION)

   Category                     Video                             
   Video Types Supported        XVGA                              
   Video Processor              Trident 8900C                     
   Highest Resolution Supported 1024 x 768                        
   Data Bus Type                16-bit ISA                        
   Memory Type                  DRAM                              
   Maximum Onboard Memory       1MB                               

<gopher://bitreich.org/I/th99/v/P-R/51308-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |            Purpose            |          Location          |
   |-------------------------------+----------------------------|
   | 15-pin analog video port      |            CN1             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  INTERRUPT CONFIGURATION                   |
   |------------------------------------------------------------|
   |          IRQ 2/9           |              J1               |
   |----------------------------+-------------------------------|
   |>> |        Disabled        |       Pins 2 & 3 closed       |
   |---+------------------------+-------------------------------|
   |   |        Enabled         |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              MONITOR DETECTION CONFIGURATION               |
   |------------------------------------------------------------|
   |               Setting                |         J6          |
   |--------------------------------------+---------------------|
   |>> |        Standard monitors         |  Pins 1 & 2 closed  |
   |---+----------------------------------+---------------------|
   |   |   Non-standard color monitors    |        Open         |
   |---+----------------------------------+---------------------|
   |   | Non-standard monochrome monitors |  Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                VGA SCAN RATE CONFIGURATION                 |
   |------------------------------------------------------------|
   |              Rate                |           SW3           |
   |----------------------------------+-------------------------|
   |>>   |          <48.7KHz          |         Closed          |
   |-----+----------------------------+-------------------------|
   |     |          48.7KHz           |          Open           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |      Memory      |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |      512KB       |    (4) 256K x 4    |        None        |
   |------------------+--------------------+--------------------|
   |       1MB        |    (4) 256K x 4    |    (4) 256K x 4    |
   +------------------------------------------------------------+