BIOS image for the ASUS K52JR notebook, marked OK by whoever saved it, suggesting a tested working dump. The 4 MB size corresponds to a 32 Mbit SPI flash chip. Technicians write such files with a CH341A or similar programmer when a board shows no display or loops after a bad update. No revision is stated, so check the PCB marking, read and keep the current chip contents, and verify the flash once programming finishes.
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 →