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 |
|
CONNECTIONS | |
|
Purpose |
Location |
|
15-pin analog video port |
CN1 |
|
VIDEO MEMORY SPEED SELECTION | ||
|
Speed |
JP9 | |
|
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 VRAM |
None |
Pins 2 & 3 closed |
|
512KB |
(4) 256K x 4 VRAM |
None |
Pins 2 & 3 closed |
|
1024KB |
(4) 256K x 4 VRAM |
(4) 256K x 4 VRAM |
Pins 1 & 2 closed |