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# OAK TECHNOLOGY, INC.
VP42B
Category Video
Video Types Supported VGA
Video Processor Unidentified
Highest Resolution Supported 640 x 480
Data Bus Type 16-bit ISA
Memory Type DRAM
Maximum Onboard Memory 256KB
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| 15-pin analog video | CN1 | 9-pin digital | CN2 |
| port | | video port | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONITOR TYPE |
|------------------------------------------------------------|
| Setting | JP1 | JP2 | JP3 | JP4 |
|----------------+----------+----------+----------+----------|
| VGA | Pins 1 & | Pins 2 & | Pins 1 & | Pins 2 & |
| | 2 closed | 3 closed | 2 closed | 3 closed |
|----------------+----------+----------+----------+----------|
| IBM VGA MONO | Pins 2 & | Pins 2 & | Pins 2 & | Pins 2 & |
| | 3 closed | 3 closed | 3 closed | 3 closed |
|----------------+----------+----------+----------+----------|
| Non IBM VGA | Pins 1 & | Pins 2 & | Pins 2 & | Pins 2 & |
| Color | 2 closed | 3 closed | 3 closed | 3 closed |
|----------------+----------+----------+----------+----------|
| Non IBM VGA | Pins 2 & | Pins 1 & | Pins 2 & | Pins 2 & |
| Color | 3 closed | 2 closed | 3 closed | 3 closed |
|----------------+----------+----------+----------+----------|
| Non IBM VGA | Pins 1 & | Pins 1 & | Pins 2 & | Pins 2 & |
| 16" Color | 2 closed | 2 closed | 3 closed | 3 closed |
|----------------+----------+----------+----------+----------|
| MDA NMI PINS | Pins 2 & | Pins 2 & | Pins 1 & | Pins 2 & |
| OFF | 3 closed | 3 closed | 2 closed | 3 closed |
|----------------+----------+----------+----------+----------|
| NEC 4D/NEC 5D | Pins 2 & | Pins 1 & | Pins 1 & | Pins 2 & |
| | 3 closed | 2 closed | 2 closed | 3 closed |
|----------------+----------+----------+----------+----------|
| Reserved | Pins 1 & | Pins 1 & | Pins 1 & | Pins 2 & |
| | 2 closed | 2 closed | 2 closed | 3 closed |
|----------------+----------+----------+----------+----------|
| MDA | Pins 2 & | Pins 2 & | Pins 2 & | Pins 1 & |
| | 3 closed | 3 closed | 3 closed | 2 closed |
|----------------+----------+----------+----------+----------|
| CGA | Pins 1 & | Pins 2 & | Pins 2 & | Pins 1 & |
| | 2 closed | 3 closed | 3 closed | 2 closed |
|----------------+----------+----------+----------+----------|
| EGA | Pins 2 & | Pins 1 & | Pins 2 & | Pins 1 & |
| | 3 closed | 2 closed | 3 closed | 2 closed |
|----------------+----------+----------+----------+----------|
| NEC | Pins 1 & | Pins 1 & | Pins 2 & | Pins 1 & |
| | 2 closed | 2 closed | 3 closed | 2 closed |
|----------------+----------+----------+----------+----------|
| NEC Plus | Pins 2 & | Pins 2 & | Pins 1 & | Pins 1 & |
| | 3 closed | 3 closed | 2 closed | 2 closed |
|----------------+----------+----------+----------+----------|
| NEC 2A | Pins 1 & | Pins 2 & | Pins 1 & | Pins 1 & |
| | 2 closed | 3 closed | 2 closed | 2 closed |
|----------------+----------+----------+----------+----------|
| NEC XL | Pins 2 & | Pins 1 & | Pins 1 & | Pins 1 & |
| | 3 closed | 2 closed | 2 closed | 2 closed |
|----------------+----------+----------+----------+----------|
| Unidentified | Pins 1 & | Pins 1 & | Pins 1 & | Pins 1 & |
| | 2 closed | 2 closed | 2 closed | 2 closed |
+------------------------------------------------------------+