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

   RTVGA

   Category                     Video                             
   Video Types Supported        XVGA                              
   Video Processor              REALTEK RTG3106                   
   Highest Resolution Supported 1280 x 1024                       
   Data Bus Type                16-bit ISA                        
   Memory Type                  DRAM                              
   Maximum Onboard Memory       1MB                               

<gopher://bitreich.org/I/th99/v/U-Z/51310-1.png>
   

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

   +------------------------------------------------------------+
   |         VGA FEATURE CONNECTOR POWER CONFIGURATION          |
   |------------------------------------------------------------|
   |              Setting               |          JP1          |
   |------------------------------------+-----------------------|
   | M12 & M13 connect to Vcc. (Ground) |        Closed         |
   |------------------------------------+-----------------------|
   |     M12 & M13 floating (Open)      |         Open          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            BASE ADDRESS DECODING CONFIGURATION             |
   |------------------------------------------------------------|
   |               Setting               |         JP2          |
   |-------------------------------------+----------------------|
   |>>   |       Unlatched (Fast)        |         Open         |
   |-----+-------------------------------+----------------------|
   |     |        Latched (Slow)         |        Closed        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              VGA GRAPHICS MODE CONFIGURATION               |
   |------------------------------------------------------------|
   |                Mode                 |         JP3          |
   |-------------------------------------+----------------------|
   |>>   |          Interlaced           |         Open         |
   |-----+-------------------------------+----------------------|
   |     |        Non-interlaced         |        Closed        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              BUS SIZE DETECTION CONFIGURATION              |
   |------------------------------------------------------------|
   |              Setting               |          JP4          |
   |------------------------------------+-----------------------|
   |>>    |         Auto detect         |        Closed         |
   |------+-----------------------------+-----------------------|
   |      |            8-bit            |         Open          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    INTERRUPT SELECTION                     |
   |------------------------------------------------------------|
   |            IRQ             |              JP5              |
   |----------------------------+-------------------------------|
   |            2/9             |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |             7              |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

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