Numbered copy of the ASUS K52JR BIOS marked OK, 4 MB in size to match a 32 Mbit SPI flash. Keeping several copies allows a quick checksum or hex comparison to confirm the dump is intact. Use an external programmer to write it to the chip after reading and storing the existing firmware. As the name gives no board revision, confirm the target motherboard matches the K52JR and verify the written data 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 @abgm_manutencao_bios. 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 →