Firmware archive for Quanta motherboard DAG7BMB48C0, revision C, with no laptop brand or version stated in the name and packed as a 6.72 MB RAR. Boards with this number are used in HP notebooks, and the DA-prefixed code follows Quanta numbering. The contents are meant for reprogramming the SPI BIOS chip using an external programmer when the system fails to boot. Compare the board number and revision on the PCB first, keep a copy of the original chip, and ensure the image size matches the flash capacity.
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.
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 →