ASUS K46CB BIOS, with WX124H in the name being the model configuration code, reported as tested and working. The RAR archive is about 3.6 MB. It can be written to the SPI flash with a programmer to revive a laptop that does not post, shows no display or freezes at the logo after a failed update. Before writing, read and keep the original chip contents, confirm the image size equals the chip capacity and check the mainboard model on the PCB to avoid flashing a mismatched board version.
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 @laptexlaptopbios. 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 →