ASUS X751MA notebook BIOS, with the file tag X751MAAS403 indicating ASUS firmware version 403 for this model, supplied in a 2.69 MB ZIP archive. The image can recover a laptop with a corrupted BIOS, written to the SPI flash via a programmer if the normal ASUS update tools cannot run. Before writing, read and keep the original chip contents, since a raw capsule file may need conversion and must match the chip size. Check the mainboard revision on the PCB matches this model.
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 →