RELIALOGIC CORPORATION PRIVATE, LTD.
====================================

   WINDOWS ACCELERATOR CW31

   Category                     Video                             
   Video Type                   XVGA                              
   Video Processor              Western Digital                   
   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/P-R/50422-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |    Purpose    | Location |       Purpose        | Location |
   |---------------+----------+----------------------+----------|
   | 15-pin analog |   CN1    | 16-Bit Sierra RAMDAC |   U13    |
   |  video port   |          |        socket        |          |
   |---------------+----------+----------------------+----------|
   | VESA Feature  |   CN2    |                      |          |
   |   connector   |          |                      |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               HORIZONTAL SCAN RATE SELECTION               |
   |------------------------------------------------------------|
   |          Purpose           |              JP1              |
   |----------------------------+-------------------------------|
   |>> |        31.5KHz         |        Pins 1 & 2 open        |
   |---+------------------------+-------------------------------|
   |   |         40KHz          |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    WAIT STATE SELECTION                    |
   |------------------------------------------------------------|
   |       MEMORY WAIT STATE       |            JP2             |
   |-------------------------------+----------------------------|
   |>> |      Zero Wait State      |     Pins 1 & 2 closed      |
   |---+---------------------------+----------------------------|
   |   |      One Wait State       |      Pins 1 & 2 open       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       BIOS SELECTION                       |
   |------------------------------------------------------------|
   |        Setting        |             JP1 & JP3              |
   |-----------------------+------------------------------------|
   |>> | 16-Bit Video BIOS | JP1 Pins 5&6, 7&8 closed, JP3 Pins |
   |   |                   |             2&3 closed             |
   |---+-------------------+------------------------------------|
   |   | 8-Bit Video BIOS  |  JP1 5&6, 7&8 open, JP3 Pins 2&3   |
   |   |                   |               closed               |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  1024 X 768 REFRESH RATES                  |
   |------------------------------------------------------------|
   |          Refresh           | SW1/switch 1  | SW1/switch 2  |
   |----------------------------+---------------+---------------|
   |         Interlaced         |      Off      |      Off      |
   |----------------------------+---------------+---------------|
   |    60Hz Non-Interlaced     |      On       |      Off      |
   |----------------------------+---------------+---------------|
   |    70Hz Non Interlaced     |      Off      |      On       |
   |----------------------------+---------------+---------------|
   |    72Hz Non-Interlaced     |      On       |      On       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  800 X 600 REFRESH RATES                   |
   |------------------------------------------------------------|
   |          Refresh           | SW1/switch 3  | SW1/switch 4  |
   |----------------------------+---------------+---------------|
   |            56Hz            |      Off      |      Off      |
   |----------------------------+---------------+---------------|
   |            60Hz            |      On       |      Off      |
   |----------------------------+---------------+---------------|
   |            70Hz            |      Off      |      On       |
   |----------------------------+---------------+---------------|
   |            72Hz            |      On       |      On       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   |    Size    |        Bank 0         |        Bank 1         |
   |------------+-----------------------+-----------------------|
   |   512KB    |       (4) 44256       |         NONE          |
   |------------+-----------------------+-----------------------|
   |    1MB     |       (4) 44256       |       (4) 44256       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  MEMORY BANK COMPOSITION                   |
   |------------------------------------------------------------|
   |               Selection                |        JP1        |
   |----------------------------------------+-------------------|
   |>>  | Bank 0 = U1, U2, U3, U4, U7, U8,  |  Pins 3 & 4 open  |
   |    |             U9, & U10             |                   |
   |----+-----------------------------------+-------------------|
   |    |    Bank 1 = U1, U2, U7, & U10     | Pins 3 & 4 closed |
   +------------------------------------------------------------+