Firmware binary for an ASUS K52F laptop marked OK, meaning it is reported to work, 4 MB in size. The name gives no revision or board number beyond the model, so check the board marking before relying on it. A 4 MB file suits a 32 Mbit SPI flash chip and is written with a hardware programmer when the machine fails to start because of corrupt firmware. Back up the original chip contents and verify the write before reassembling the laptop.
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 @biosbigarchives. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →