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 |