BIOS dump for a Quanta-designed laptop board DA0Y0UMBAD0 at revision D, intended for a 16MB SPI flash chip and supplied as a 23.4 MB RAR archive. The name gives no laptop brand or model, only the board code, which follows the Quanta DA0 numbering style printed near the board edge. Such an image is written to the SPI chip with a programmer like a CH341A when the firmware is corrupt. Read and save the original chip contents first, and check that the image size matches the 16MB capacity of the fitted chip.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @biosarchive. Enginerys does not host this file.
All sources (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 20 Feb 2025 | Open file on RM Schematics |
| @dtechbios | 25 Aug 2025 | Open file on RM Schematics |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →