BIOS ASUS X401A (REV 2.0)

BIOS .zip 3.53 MB Shared

Zipped BIOS image for the ASUS X401A notebook, mainboard revision 2.0, about 3.5 MB in size. Technicians write such a file to the SPI flash chip with a programmer such as a CH341A to recover a laptop that powers on but shows no display or loops at boot. Check that the revision printed on the board is 2.0, since ASUS revisions can differ in layout and firmware. Read and keep the original chip first, and confirm the image size matches the chip capacity before writing.

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.

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

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