ASUS Ux31a2 rev. 2.0

BIOS .rar 1.64 MB Shared

BIOS archive for the ASUS Zenbook UX31A, marked for board revision 2.0 and compressed to 1.64 MB. The name gives no firmware version or chip type. Such an image is written to the SPI flash with a programmer to revive a board that powers up without display or is stuck after a bad update. Check that the revision silkscreened on the PCB is 2.0 since other revisions may differ, dump and keep the original chip contents, and confirm the extracted image equals the chip size.

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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