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# NATIONAL DESIGN, INC.
AT600 PLUS
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, 64KHz | On | On |
+------------------------------------------------------------+