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Tseng ET4000VL-Bus
Jumper Settings[edit]
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 |