RAR archive of 1.61 MB with BIOS firmware for an ASUS K52F laptop. The trailing b in the name is unexplained and may mark a second or alternative copy. There is no board revision or BIOS version given, so open the archive and inspect the image before use. Such dumps are flashed onto the SPI chip with a programmer when the notebook shows no display or fails to boot after corruption. Compare the image size to the flash part number, confirm the mainboard revision, and keep the original contents as a backup.
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 →