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# QDI COMPUTER, INC.
S3VGA PS805
Category Video
Video Types Supported XVGA
Video Processor Unidentified
Highest Resolution Supported 1280 x 1024
Data Bus Type VESA local bus
Memory Type DRAM
Maximum Onboard Memory 2MB (location unidentified)
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------+----------+------------------------+----------|
| VGA feature | CN1 | 15-pin analog video | CN2 |
| connector | | port | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT |
|------------------------------------------------------------|
| IRQ9 | JP1 |
|---------------------------------+--------------------------|
| » | Disabled | Open |
|---+-----------------------------+--------------------------|
| | Enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DAC ACCESS TIMING |
|------------------------------------------------------------|
| Setting | J3 |
|----------------------------+-------------------------------|
| » | Primary | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | Alternate | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REFRESH RATE |
|------------------------------------------------------------|
| Rate | J1 | J2 |
|----------------------------------+------------+------------|
| » | H-sync 43Hz (interlaced), | Pins 1 & 2 | Pins 1 & 2 |
| | V-sync up to 36KHz | closed | closed |
|---+------------------------------+------------+------------|
| | H-sync 70Hz | Pins 2 & 3 | Pins 2 & 3 |
| | (non-interlaced), V-sync up | closed | closed |
| | to 57KHz | | |
|---+------------------------------+------------+------------|
| | H-sync 60Hz | Pins 2 & 3 | Pins 1 & 2 |
| | (non-interlaced), V-sync up | closed | closed |
| | to 48KHz | | |
|---+------------------------------+------------+------------|
| | H-sync 56Hz | Pins 1 & 2 | Pins 2 & 3 |
| | (non-interlaced), V-sync up | closed | closed |
| | to 39KHz | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BANK ORDER SELECTION |
|------------------------------------------------------------|
| Order | JP2 |
|----------------------------+-------------------------------|
| » | Normal | Pins 1 & 3, 2 & 4 closed |
|---+------------------------+-------------------------------|
| | Reversed | Pins 1 & 2, 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGUED SETTINGS |
|------------------------------------------------------------|
| Jumper | Setting |
|-----------------------------+------------------------------|
| W1 | Open |
+------------------------------------------------------------+