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# 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
IMG IMG 1
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+