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# OCEAN INFORMATION SYSTEMS, INC.
AVGA-20 REV. C
Category Video
Video Types Supported XVGA
Video Processor Cirrus Logic GD542X
Highest Resolution Supported 1024 x 768
Data Bus Type 16-bit ISA
Memory Type DRAM
Maximum Onboard Memory 1MB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| 15-pin analog video port | J1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT CONFIGURATION |
|------------------------------------------------------------|
| IRQ 9 | JP3 |
|----------------------------+-------------------------------|
| Enabled | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| Disabled | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 512KB | (2) 256K x 8 | NONE |
|------------------+--------------------+--------------------|
| 1MB | (2) 256K x 8 | (4) 256K x 4 |
+------------------------------------------------------------+