BIOS firmware for the HP Spectre x360 13-4000 series, built on Quanta board DA0Y0DMBAF0, supplied as a 3.82 MB RAR archive. The DA0 prefix marks Quanta as the original design manufacturer. Technicians write this image to the SPI flash chip with a programmer when the laptop will not power on, shows no display or has corrupt firmware. Check the PCB revision letter, confirm the extracted file size matches the chip, and save the original dump, as it contains serial number and product data HP machines need.
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 →