BIOS firmware archive for the Asus K53SC laptop, labelled AS216, which in Asus naming usually means BIOS version 216. The ZIP is 1.15 MB, so it may contain an update capsule or a raw image for the flash chip. Repair shops use such images to revive a machine that powers on with no display after a failed update. Open the archive and compare the image size with the SPI chip capacity, since a file that does not match will not fit. Read and save the original chip contents with a programmer 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 .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 →