VIDEO SEVEN
===========

   V7 VGA 1024I

   Category                     Video                             
   Video Types Supported        XVGA                              
   Video Processor              Headland                          
   Highest Resolution Supported 1024 x 768                        
   Data Bus Type                16-bit ISA                        
   Memory Type                  DRAM                              
   Maximum Onboard Memory       512KB                             

<gopher://bitreich.org/I/th99/v/U-Z/52801-1.png>
   

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

   +------------------------------------------------------------+
   |              FAST WRITE FEATURE CONFIGURATION              |
   |------------------------------------------------------------|
   |              Setting              |         SW1/4          |
   |-----------------------------------+------------------------|
   |>>     |          Enabled          |           On           |
   |-------+---------------------------+------------------------|
   |       |         Disabled          |          Off           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             FACTORY CONFIGURED - DO NOT ALTER              |
   |------------------------------------------------------------|
   |           Switch            |           Position           |
   |-----------------------------+------------------------------|
   |            SW1/1            |              On              |
   |-----------------------------+------------------------------|
   |            SW1/2            |              On              |
   |-----------------------------+------------------------------|
   |            SW1/3            |              On              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  EMULATION MODE SELECTION                  |
   |------------------------------------------------------------|
   |               Mode                |         SW1/5          |
   |-----------------------------------+------------------------|
   |>> |       Emulation enable        |           On           |
   |---+-------------------------------+------------------------|
   |   |     CGA and HGC disabled      |          Off           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   BIOS ACCESS SELECTION                    |
   |------------------------------------------------------------|
   |          Setting          |       E2       | SW1/6 | SW1/7 |
   |---------------------------+----------------+-------+-------|
   |>> |    16-bit BIOS ROM    |   Pins 1 & 2   |  On   |  On   |
   |   |        access         |     closed     |       |       |
   |---+-----------------------+----------------+-------+-------|
   |   |    Force 8-bit ROM    |   Pins 2 & 3   |  Off  |  Off  |
   |   |        access         |     closed     |       |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     VGA MODE SELECTION                     |
   |------------------------------------------------------------|
   |              Setting              |         SW1/8          |
   |-----------------------------------+------------------------|
   |>> | VGA 1024I extensions enabled  |           On           |
   |---+-------------------------------+------------------------|
   |   |     Force VGA only modes      |          Off           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO INTERRUPT SELECTION                  |
   |------------------------------------------------------------|
   |          IRQ 2/9           |              E1               |
   |----------------------------+-------------------------------|
   |>> |        Disabled        |       Pins 2 & 3 closed       |
   |---+------------------------+-------------------------------|
   |   |        Enabled         |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             FACTORY CONFIGURED - DO NOT ALTER              |
   |------------------------------------------------------------|
   |           Switch            |           Position           |
   |-----------------------------+------------------------------|
   |            SW1/1            |              On              |
   |-----------------------------+------------------------------|
   |            SW1/2            |              On              |
   |-----------------------------+------------------------------|
   |            SW1/3            |              On              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |      256KB       |      (8) 4864      |        None        |
   |------------------+--------------------+--------------------|
   |      512KB       |      (8) 4864      |      (8) 4864      |
   +------------------------------------------------------------+