ASUS VivoBook 15 X540NA Bios + EC

BIOS .rar 5.60 MB Shared

BIOS firmware package for the ASUS VivoBook 15 X540NA, bundled together with the embedded controller (EC) firmware in a 5.60 MB RAR archive. Having both images matters on ASUS boards, where a corrupted EC can cause no power, no charging or dead keyboard symptoms even with a good BIOS. Extract the archive, read and save the original SPI contents with a programmer such as a CH341A before writing anything, and confirm the image size matches the flash chip on your board, since a mismatched file will not fit.

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.

7-ZipWinRARThe Unarchiver (macOS)

More about .rar files

Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →

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