UNIDENTIFIED
============

   TRIDENT TVGA (16-BIT)

   Category                     Video                             
   Video Types Supported        XVGA                              
   Video Processor              TVGA 8800CS                       
   Highest Resolution Supported 1024 x768                         
   Data Bus Type                16-bit ISA                        
   Memory Type                  DRAM                              
   Maximum Onboard Memory       512KB                             

<gopher://bitreich.org/I/th99/v/U-Z/50081-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |        Purpose         | Location |   Purpose   | Location |
   |------------------------+----------+-------------+----------|
   | 15-pin analog video    |   CN1    | VGA feature |   CN3    |
   | port                   |          | connector   |          |
   |------------------------+----------+-------------+----------|
   | 9-pin TTL video port   |   CN2    |             |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  MONITOR TYPE SELECTION                    |
   |------------------------------------------------------------|
   |     Type     |     J1      | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
   |--------------+-------------+-------+-------+-------+-------|
   |>> |  Analog  | Pins 2 & 3  |  On   |  On   |  On   |  On   |
   |   | monitor  |   closed    |       |       |       |       |
   |---+----------+-------------+-------+-------+-------+-------|
   |   |   TTL    | Pins 1 & 2  |  Off  |  Off  |  Off  |  Off  |
   |   | monitor  |   closed    |       |       |       |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 ADDRESS DECODE SELECTION                   |
   |------------------------------------------------------------|
   |             Setting             |          SW1/5           |
   |---------------------------------+--------------------------|
   |>>    |           Fast           |            On            |
   |------+--------------------------+--------------------------|
   |      |           Slow           |           Off            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  BUS DATA PATH SELECTION                   |
   |------------------------------------------------------------|
   |         Bus          |         J2         |     SW1/6      |
   |----------------------+--------------------+----------------|
   |>> |      16-bit      | Pins 1 & 2 closed  |      Off       |
   |---+------------------+--------------------+----------------|
   |   |      8-bit       | Pins 2 & 3 closed  |       On       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    DRAM CONFIGURATION                      |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |      256KB       |     (8) 41256      |        None        |
   |------------------+--------------------+--------------------|
   |      512KB       |     (8) 41256      |     (8) 41256      |
   +------------------------------------------------------------+