(TXT) View Source
       
       # UNIDENTIFIED
       
          SVGA ‘E’ VERSION
       
          Category                     Video                             
          Video Types Supported        CGA/EGA/Monochrome/VGA/XVGA       
          Video Processor              TVGA 8900                         
          Highest Resolution Supported 1024 x 768                        
          Data Bus Type                16-bit ISA                        
          Memory Type                  DRAM                              
          Maximum Onboard Memory       512KB                             
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |        Purpose         | Location |   Purpose   | Location |
          |------------------------+----------+-------------+----------|
          | 15-pin analog video    |   CN1    | VGA feature |   CN3    |
          | port                   |          | connector   |          |
          |------------------------+----------+-------------+----------|
          | 9-pin TTL video port   |   CN2    |             |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VIDEO INTERRUPT SELECTION                  |
          |------------------------------------------------------------|
          |          IRQ 2/9           |              J1               |
          |----------------------------+-------------------------------|
          | » |        Disabled        |       Pins 2 & 3 closed       |
          |---+------------------------+-------------------------------|
          |   |        Enabled         |       Pins 1 & 2 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               BUS SIZE DETECT CONFIGURATION                |
          |------------------------------------------------------------|
          |            Setting             |            J2             |
          |--------------------------------+---------------------------|
          | » |         Autodetect         |     Pins 2 & 3 closed     |
          |---+----------------------------+---------------------------|
          |   |     Standard interface     |     Pins 1 & 2 closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                DRAM CLOCK SPEED SELECTION                  |
          |------------------------------------------------------------|
          |           Select           |              J4               |
          |----------------------------+-------------------------------|
          | » |         40MHz          |       Pins 2 & 3 closed       |
          |---+------------------------+-------------------------------|
          |   |         48MHz          |       Pins 1 & 2 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  MONITOR TYPE SELECTION                    |
          |------------------------------------------------------------|
          |       Type        |       SW1/1        |       SW1/2       |
          |-------------------+--------------------+-------------------|
          |       SVGA        |         On         |        On         |
          |-------------------+--------------------+-------------------|
          |        EGA        |        Off         |        On         |
          |-------------------+--------------------+-------------------|
          |        CGA        |         On         |        Off        |
          |-------------------+--------------------+-------------------|
          |        MDA        |        Off         |        Off        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              MONITOR INTERLACE CONFIGURATION               |
          |------------------------------------------------------------|
          |               Setting               |        SW1/3         |
          |-------------------------------------+----------------------|
          | »   |           Interlace           |          On          |
          |-----+-------------------------------+----------------------|
          |     |         Non-Interlace         |         Off          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               ADDRESS DECODE CONFIGURATION                 |
          |------------------------------------------------------------|
          |             Setting             |          SW1/5           |
          |---------------------------------+--------------------------|
          | »     |          Fast           |           Open           |
          |-------+-------------------------+--------------------------|
          |       |          Slow           |          Closed          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       BUS SELECTION                        |
          |------------------------------------------------------------|
          |              Bus               |           SW1/6           |
          |--------------------------------+---------------------------|
          | » |           16-bit           |           Open            |
          |---+----------------------------+---------------------------|
          |   |           8-bit            |          Closed           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             FACTORY CONFIGURED - DO NOT ALTER              |
          |------------------------------------------------------------|
          |           Jumper            |           Position           |
          |-----------------------------+------------------------------|
          |            SW1/4            |            Closed            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DRAM CONFIGURATION                      |
          |------------------------------------------------------------|
          |  Size  |   Bank 0   |  Bank 1   |            J3            |
          |--------+------------+-----------+--------------------------|
          | 256KB  | (2) 44256  |   None    | Pins 1 & 2, 3 & 4 closed |
          |--------+------------+-----------+--------------------------|
          | 512KB  | (2) 44256  | (2) 44256 | Pins 1 & 3, 2 & 4 closed |
          +------------------------------------------------------------+