BIOS dump for the ASUS X421EAY laptop mainboard revision 2.0, marked as fully working and supplied in an 8.74 MB RAR archive. Unlike some related packages, the name does not specify CPU variant, so check the processor fitted before choosing it. The image is intended for programming the board's SPI flash chip directly with a hardware programmer to recover from no-boot or no-display faults. Verify the revision silkscreen, confirm the file size matches the chip, and keep a backup of the existing dump before flashing.
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 →