BIOS archive for the ASUS N55SF laptop, with no board revision mentioned in the name. The 1.56 MB RAR is intended for reprogramming the SPI flash chip with an external programmer when the notebook shows no image or fails to start after a bad update. Open it in any RAR archiver and confirm the image size matches the installed flash. Compare the revision printed on the mainboard and save a full backup of the original chip before writing, since it holds board-specific 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 @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.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →