(TXT) View Source
# UNIDENTIFIED
S3 LOCAL BUS VGA
Category Video
Video Types Supported XVGA
Video Processor S3
Highest Resolution Supported 1024 x 768
Data Bus Type 16-bit EISA
Memory Type VRAM
Maximum Onboard Memory 1024KB
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| 15-pin analog video port | CN1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP9 |
|----------------------------+-------------------------------|
| ยป | 100ns | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | 80ns | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 640 X 480 REFRESH RATE SELECTION |
|------------------------------------------------------------|
| Rate | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
|-------+--------+--------+--------+--------+--------+-------|
| 56Hz | On | Off | On | Off | Off | On |
|-------+--------+--------+--------+--------+--------+-------|
| 60Hz | On | Off | On | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 800 X 600 REFRESH RATE CONFIGURATION |
|------------------------------------------------------------|
|Rate | Mode |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5|SW1/6|
|-----+--------------+------+------+------+------+-----+-----|
|43Hz | Interfaced | Off | On | On | Off | Off | On |
|-----+--------------+------+------+------+------+-----+-----|
|60Hz |Non-Interlaced| On | Off | Off | On | Off | On |
|-----+--------------+------+------+------+------+-----+-----|
|60Hz |Non-Interlaced| On | Off | Off | On | On | Off |
|-----+--------------+------+------+------+------+-----+-----|
|70Hz |Non-Interlaced| Off | On | On | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 1024 X 768 REFRESH RATE CONFIGURATION |
|------------------------------------------------------------|
|Rate | Mode |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5|SW1/6|
|-----+--------------+------+------+------+------+-----+-----|
|70Hz |Non-Interlaced| Off | On | Off | On | On | Off |
|-----+--------------+------+------+------+------+-----+-----|
|70Hz |Non-Interlaced| Off | On | Off | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | JP10 |
|--------+-----------------+----------------+----------------|
| 256KB | (2) 256K x 4 | None | Pins 2 & 3 |
| | VRAM | | closed |
|--------+-----------------+----------------+----------------|
| 512KB | (4) 256K x 4 | None | Pins 2 & 3 |
| | VRAM | | closed |
|--------+-----------------+----------------+----------------|
| 1024KB | (4) 256K x 4 | (4) 256K x 4 | Pins 1 & 2 |
| | VRAM | VRAM | closed |
+------------------------------------------------------------+