UNIDENTIFIED
CIRRUS GD5428
|
Card Type |
Video card |
|
Video Chip Set |
Cirrus Logic |
|
Maximum Video Memory |
2MB |
|
Data Bus |
32-bit VESA Local Bus |
|
Video Types Supported |
VGA |
|
Highest Resolution Supported |
1280 x 1024 |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
15-pin video analog video port |
CN1 |
Feature connector |
CN2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
IRQ2 disabled |
JP1 |
Pins 2 & 3 closed | |
|
IRQ2 enabled |
JP1 |
Pins 1 & 2 closed | |
|
Main memory map decoder size select 64MB |
JP2 |
Pins 1 & 2 closed | |
|
Main memory map decoder size select 128B |
JP2 |
Pins 2 & 3 closed | |
|
RAMDAC shadow disabled |
JP3 |
Pins 2 & 3 closed | |
|
RAMDAC shadow enabled |
JP3 |
Pins 1 & 2 closed | |
|
Factory configured do not alter |
CN3 |
Unidentified | |
|
Factory configured do not alter |
SO |
Unidentified | |
|
Factory configured do not alter |
S1 |
Unidentified | |
|
Note: CN3, S0 & S1 are optional and may not be present. | |||
|
VIDEO MEMORY CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
1MB |
None |
|
1MB |
1MB |
1MB |
|
Note: The size of the chips is unidentified. | ||
|
BIOS ADDRESS SELECTION | |||
|
Address |
JP4/pins 1 & 2 |
JP4/pins 3 & 4 |
JP4/pins 5 & 6 |
|
C800 |
Closed |
Closed |
Closed |
|
CC00 |
Open |
Closed |
Closed |
|
D000 |
Closed |
Open |
Closed |
|
D800 |
Open |
Open |
Closed |
|
DC00 |
Closed |
Closed |
Open |
|
E000 |
Open |
Closed |
Open |
|
E800 |
Closed |
Open |
Open |
|
Disabled |
Open |
Open |
Open |