(TXT) View Source
       
       # UNIDENTIFIED
       
          ET4000VL-BUS
       
          Category                     Video                             
          Video Types Supported        XVGA                              
          Video Processor              Tseng Laboratories ET 4000        
          Highest Resolution Supported 1280 x 1024                       
          Data Bus Type                32-bit VESA local bus             
          Memory Type                  DRAM                              
          Maximum Onboard Memory       1MB                               
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |        Purpose         | Location |   Purpose   | Location |
          |------------------------+----------+-------------+----------|
          | 15-pin analog video    |   CN1    | VGA feature |   CN2    |
          | port                   |          | connector   |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    INTERRUPT SELECTION                     |
          |------------------------------------------------------------|
          |             IRQ2              |            JP8             |
          |-------------------------------+----------------------------|
          |            Enabled            |           Close            |
          |-------------------------------+----------------------------|
          |           Disabled            |            Open            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        ISA VGA BIOS                        |
          |------------------------------------------------------------|
          |            Setting            |            JP9             |
          |-------------------------------+----------------------------|
          |            Enabled            |           Close            |
          |-------------------------------+----------------------------|
          |           Disabled            |            Open            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                LOCAL BUS VGA CONFIGURATION                 |
          |------------------------------------------------------------|
          |      Setting       |        JP1        |        JP4        |
          |--------------------+-------------------+-------------------|
          |      Enabled       |      Closed       |      Closed       |
          |--------------------+-------------------+-------------------|
          |      Disabled      |       Open        |       Open        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       MIN/IO CYCLES                        |
          |------------------------------------------------------------|
          | MIN T2 MIO=1  | MIN T2 MIO=1  |     JP2      |     JP3     |
          |---------------+---------------+--------------+-------------|
          |       1       |       1       |      1       |      3      |
          |---------------+---------------+--------------+-------------|
          |       2       |       4       |      1       |      0      |
          |---------------+---------------+--------------+-------------|
          |       3       |       3       |      0       |      1      |
          |---------------+---------------+--------------+-------------|
          |       4       |       4       |      0       |      0      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |         FACTORY CONFIGURED SETTINGS - DO NOT ALTER         |
          |------------------------------------------------------------|
          |          Jumpers           |           Settings            |
          |----------------------------+-------------------------------|
          |            JP5             |         Unidentified          |
          |----------------------------+-------------------------------|
          |            JP6             |         Unidentified          |
          |----------------------------+-------------------------------|
          |            JP7             |         Unidentified          |
          |------------------------------------------------------------|
          | Note: JP5-7 control clock IC frequency                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (2) 256 x 4  |     None      |     None      |
          |------------+---------------+---------------+---------------|
          |   512KB    |  (2) 256 x 4  |  (2) 256 x 4  |     None      |
          |------------+---------------+---------------+---------------|
          |    1MB     |  (2) 256 x 4  |  (2) 256 x 4  |  (4) 256 x 4  |
          +------------------------------------------------------------+