STB SYSTEMS, INC.
=================

   MVP-2

   Card Type                    Video card                        
   Video Chip Set               Tseng Labs ET4000                 
   Highest Resolution Supported 1280 x 1024                       
   Maximum Video Memory         2MB DRAM                          
   I/O Options                  Bus mouse port                    
   Data Bus                     16-bit ISA                        
   Video Types Supported        XVGA                              

<gopher://bitreich.org/I/th99/v/S-T/52062-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Function       | Label |       Function       | Label |
   |---------------------+-------+----------------------+-------|
   | VGA port 1 - 15-pin |  CN1  | VGA feature          |  CN4  |
   |                     |       | connector for        |       |
   |                     |       | channel 1            |       |
   |---------------------+-------+----------------------+-------|
   | Bus mouse port      |  CN2  | VGA feature          |  CN5  |
   |                     |       | connector for        |       |
   |                     |       | channel 2            |       |
   |---------------------+-------+----------------------+-------|
   | VGA port 2 - 15-pin |  CN3  |                      |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Label | Position  |
   |----------------------------------------+-------+-----------|
   |>> | Zero wait states enabled           |  J1   | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Zero wait states disabled          |  J1   | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Video BIOS uses 16-bit data        |  J2   | Pins 2 &  |
   |   | transfer                           |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Video BIOS uses 8-bit data         |  J2   | Pins 1 &  |
   |   | transfer                           |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Card uses 16-bit data transfer     |  J3   | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Card uses 8-bit data transfer      |  J3   | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | VPU runs at 50MHz                  |  J4   | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | VPU runs at 40MHz                  |  J4   | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Bus mouse enabled                  |  J8   | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Bus mouse disabled                 |  J8   | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   VERTICAL REFRESH RATE                    |
   |------------------------------------------------------------|
   |    Resolution    |    Refresh Rate    |         J5         |
   |------------------+--------------------+--------------------|
   |>>  |  640 x 480  |        60Hz        | Pins 2 & 3 closed  |
   |----+-------------+--------------------+--------------------|
   |>>  |  800 x 600  |        56Hz        | Pins 2 & 3 closed  |
   |----+-------------+--------------------+--------------------|
   |>>  | 1024 x 768  | 43Hz (interlaced)  | Pins 2 & 3 closed  |
   |----+-------------+--------------------+--------------------|
   |    |  640 x 480  |        72Hz        | Pins 1 & 2 closed  |
   |----+-------------+--------------------+--------------------|
   |    |  800 x 600  |        72Hz        | Pins 1 & 2 closed  |
   |----+-------------+--------------------+--------------------|
   |    | 1024 x 768  |        65Hz        | Pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BOARD NUMBER                        |
   |------------------------------------------------------------|
   |      Board       |         J6         |         J7         |
   |------------------+--------------------+--------------------|
   |>> |      1       | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |      2       | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |      3       | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |      4       | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    BUS MOUSE INTERRUPT                     |
   |------------------------------------------------------------|
   |        Setting         |       W1        |       W2        |
   |------------------------+-----------------+-----------------|
   |   |      IR/FONT>      |     Closed      |      Open       |
   |---+--------------------+-----------------+-----------------|
   |>> |        IRQ5        |      Open       |     Closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      DRAM - CHANNEL 1                      |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |      512KB       |     (4) 128KB      |        NONE        |
   |------------------+--------------------+--------------------|
   |       1MB        |     (4) 128KB      |     (4) 128KB      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      DRAM - CHANNEL 2                      |
   |------------------------------------------------------------|
   |       Size       |       Bank 2       |       Bank 3       |
   |------------------+--------------------+--------------------|
   |      512KB       |     (4) 128KB      |        NONE        |
   |------------------+--------------------+--------------------|
   |       1MB        |     (4) 128KB      |     (4) 128KB      |
   +------------------------------------------------------------+