Working BIOS for the ASUS K451L and S451 laptop motherboard, revision 2.0, without a CPU or GPU variant mentioned in the name. The RAR is 10.3 MB, larger than a single image, so it may contain several dumps or extra files; inspect it before programming. Technicians use such files to restore a corrupted SPI chip with a hardware programmer. Compare the configuration with your board, back up the existing flash and make sure the selected image size matches the 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 .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 →