UNIDENTIFIED
ET4000VL-BUS
|
Category |
Video |
|
Video Types Supported |
XVGA |
|
Video Processor |
Tseng Laboratories ET 4000 |
|
Highest Resolution Supported |
1280 x 1024 |
|
Data Bus Type |
32-bit VESA local bus |
|
Memory Type |
DRAM |
|
Maximum Onboard Memory |
1MB |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
15-pin analog video port |
CN1 |
VGA feature connector |
CN2 |
|
INTERRUPT SELECTION | |
|
IRQ2 |
JP8 |
|
Enabled |
Close |
|
Disabled |
Open |
|
ISA VGA BIOS | |
|
Setting |
JP9 |
|
Enabled |
Close |
|
Disabled |
Open |
|
LOCAL BUS VGA CONFIGURATION | ||
|
Setting |
JP1 |
JP4 |
|
Enabled |
Closed |
Closed |
|
Disabled |
Open |
Open |
|
MIN/IO CYCLES | |||
|
MIN T2 MIO=1 |
MIN T2 MIO=1 |
JP2 |
JP3 |
|
1 |
1 |
1 |
3 |
|
2 |
4 |
1 |
0 |
|
3 |
3 |
0 |
1 |
|
4 |
4 |
0 |
0 |
|
FACTORY CONFIGURED SETTINGS - DO NOT ALTER | |
|
Jumpers |
Settings |
|
JP5 |
Unidentified |
|
JP6 |
Unidentified |
|
JP7 |
Unidentified |
|
Note: JP5-7 control clock IC frequency | |
|
DRAM CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
|
256KB |
(2) 256 x 4 |
None |
None |
|
512KB |
(2) 256 x 4 |
(2) 256 x 4 |
None |
|
1MB |
(2) 256 x 4 |
(2) 256 x 4 |
(4) 256 x 4 |