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# OCEAN INFORMATION SYSTEMS, INC.
PVGA1D PLUS
Category Video
Video Types Supported XVGA
Video Processor WD90C30
Highest Resolution Supported 1024 x 768
Data Bus Type 16-bit ISA
Memory Type DRAM
Maximum Onboard Memory 1024KB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------------+----------+-------------+----------|
| 15-pin analog video | J1 | VGA feature | P1 |
| port | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONITOR TYPE SELCTION |
|------------------------------------------------------------|
| Type | JP1 |
|-----------------------------+------------------------------|
| » | Auto-detect | Pins 1 & 2 closed |
|---+-------------------------+------------------------------|
| | Mono VGA | Pins 2 & 3 closed |
|---+-------------------------+------------------------------|
| | Color VGA | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ 2/9 | SW1/2 |
|-----------------------------------+------------------------|
| » | Disabled | Off |
|-----+-----------------------------+------------------------|
| | Enabled | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ZERO WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Setting | SW1/3 |
|-----------------------------------+------------------------|
| » | Enabled | On |
|------+----------------------------+------------------------|
| | Disabled | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SCANNING CONTROL SELECTION |
|------------------------------------------------------------|
| Setting | JP2 | SW1/4 |
|---------------------------+--------------------+-----------|
| » | Interlaced | Pins 1 & 2 closed | Off |
|---+-----------------------+--------------------+-----------|
| | Interlaced | Pins 2 & 3 closed | On |
|---+-----------------------+--------------------+-----------|
| | Non-interlaced (70Hz) | Pins 2 & 3 closed | Off |
|---+-----------------------+--------------------+-----------|
| | Non-interlaced (60Hz) | Pins 1 & 2 closed | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 800 X 600 REFRESH RATE SELECTION |
|------------------------------------------------------------|
| Rate | SW1/5 | SW1/6 |
|-------------------+--------------------+-------------------|
| 56Hz | Off | Off |
|-------------------+--------------------+-------------------|
| 60Hz | On | Off |
|-------------------+--------------------+-------------------|
| 72Hz | Off | On |
|-------------------+--------------------+-------------------|
| 56Hz | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | SW1/1 |
|--------------+---------------+---------------+-------------|
| 512KB | (4) 44256 | None | On |
|--------------+---------------+---------------+-------------|
| 1024KB | (4) 44256 | (4) 44256 | Off |
+------------------------------------------------------------+