RAR archive of 2.34 MB holding BIOS firmware for an HP 15 laptop built on Quanta board DA0R75MB6C0, marked as the third version or copy of this file. The DA0 prefix is Quanta's board code, with the last characters usually reflecting revision. Extract it with WinRAR or 7-Zip and check that the image inside matches the SPI flash capacity before programming it. Verify the PCB board number, back up the original chip with your programmer, and only then write the new image.
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 @biosfilebins. 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 →