WILLOW PERIPHERALS
VGA-TV 4000
|
Category |
Video |
|
Video Types Supported |
XVGA |
|
Video Processor |
ET4000 |
|
Highest Resolution Supported |
1280 x 1024 |
|
Data Bus Type |
16-bit ISA |
|
Memory Type |
DRAM |
|
Maximum Onboard Memory |
1024KB |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Composite video port |
J1 |
15-pin analog video connector |
J3 |
|
4-pin mini DIN jack |
J2 | ||
|
BOOT UP MODE SELECTION | ||||
|
Setting |
Mode |
SW1/5 |
SW1/6 | |
| » |
NTSC mode |
Underscan |
Off |
On |
|
VGA mode |
Overscan |
On |
Off | |
|
Note: SW1/5 must be in the Off position for SW1/6 to function. | ||||
|
VIDEO CARD CONFIGURATION | ||||
|
Setting |
Select |
SW1/7 |
SW1/8 | |
| » |
Enabled |
Master |
On |
Off |
|
Disabled |
Slave |
Off |
On | |
|
Note: SW1/8 must be in the Off position if SW1/7 is On and SW1/8 must be On if SW1/7 is Off. If both switches have the same setting the operation is undefined. | ||||
|
I/O BASE ADDRESS SELECTION | ||
|
Address |
SW1/4 | |
| » |
310h |
Off |
|
300h |
On | |
|
MULTIPLE CARD I/O BASE ADDRESS CONFIGURATION | |||||
|
ID |
Address |
SW1/1 |
SW1/2 |
SW1/3 | |
| » |
2 |
3X4h - 3X5h |
On |
Off |
On |
|
0 |
3X0h - 3X1h |
On |
On |
On | |
|
1 |
3X2h - 3X3h |
Off |
On |
On | |
|
3 |
3X6h - 3X7h |
Off |
Off |
On | |
|
4 |
3X8h - 3X9h |
On |
On |
Off | |
|
5 |
3XAh - 3XBh |
Off |
On |
Off | |
|
6 |
3XCh - 3XDh |
On |
Off |
Off | |
|
7 |
3XEh - 3XFh |
Off |
Off |
Off | |
|
Note: X=0 or 1. | |||||
|
VSYNC CONFIGURATION | ||
|
Setting |
JP8 | |
| » |
Output always present |
Pins 2 & 3 closed |
|
Output present only in VGA mode |
Pins 1 & 2 closed | |
|
FACTORY CONFIGURED - DO NOT ALTER | |
|
Jumper |
Position |
|
JP5 |
Open |
|
JP6 |
Open |
|
JP7 |
Open |
|
JP10 |
Pins 1 & 2 closed |
