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# NATIONAL DESIGN, INC.
AT600
Card Type Video card
Video Chip Set S3, Inc.
Maximum Video Memory 1MB VRAM
Video Types Supported VGA, XVGA, EGA, CGA, Monochrome
Highest Resolution Supported 1280 x 1024
Data Bus 16-bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------------+-------+---------------------+-------|
| VGA feature | CN1 | 15-pin analog video | CN2 |
| connector | | port | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Turbo disabled | SW1/3 | Off |
|---+---------------------------------+-------+--------------|
| | Turbo enabled | SW1/3 | On |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP1 | Unidentified |
| | alter (VRAM) | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP2 | Unidentified |
| | alter (engine speed) | | |
|---+---------------------------------+-------+--------------|
| » | IRQ9 interrupt disabled | JP4 | Off |
|---+---------------------------------+-------+--------------|
| | IRQ9 interrupt enabled | JP4 | On |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP5 | Unidentified |
| | alter (monitor ID) | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| WAIT STATE SELECTION |
|------------------------------------------------------------|
| Setting | JP3 |
|------------------------------------------+-----------------|
| » | Disabled | Off |
|----------------+-------------------------+-----------------|
| | Enabled | On |
|------------------------------------------------------------|
| Note: SW/3 must be set to the on position to enable zero |
| wait state. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONITOR CONFIGURATION SELECTION |
|------------------------------------------------------------|
| Setting | SW1/1 | SW1/2 |
|----------------------------+---------------+---------------|
| VGA,XVGA | Off | Off |
|----------------------------+---------------+---------------|
| Multi-Sync, 38KHz | Off | On |
|----------------------------+---------------+---------------|
| Multi-Sync, 48KHz | On | Off |
|----------------------------+---------------+---------------|
| Multi-Sync, 57KHz | On | On |
+------------------------------------------------------------+