ASUS K53SM BIOS file, 4 MB, with 214 in the name most likely marking the firmware version. A 4 MB image suits a 32 Mbit SPI flash chip, so check the chip fitted on the board before writing. Technicians program such images with an external tool like a CH341A to revive a board that has no POST after a failed update. Confirm the mainboard model and revision, and read and save the original dump first so the board can be restored if needed.
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 .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 →