ASUS BIOS file for model A3402WBAF version 303, shipped as an 11.6 MB ZIP and linked to Compal board LA-N721P. The archive likely contains an ASUS capsule-style update rather than a raw chip dump, so check its contents first: capsule files usually need headers removed or a proper tool before writing to SPI flash with a programmer. Verify the board number, compare the final image with the chip capacity, and back up the original chip, which holds serial and system data.
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 @Laptopbiossolutions. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →