BIOS image for Quanta board DA0ZQ9MB6C0 revision C, project code ZQ9; the name does not state the laptop brand or model. DA-prefixed numbers follow the Quanta scheme, so the end product could carry one of several brands. The 1.84 MB ZIP is meant for reflashing the SPI chip with a programmer. Check that the board number and revision on the PCB match exactly, read and store the original chip, and confirm the image size fits the installed flash 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.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →