BIOS image for the ASRock G31M-S desktop motherboard, a raw 512 KB binary, with the trailing 2 not explained in the name. The size matches a 4 Mbit SPI or FWH flash chip, which is what the board uses for firmware. Technicians write this with a programmer to recover a board that fails to POST after a bad update. Confirm the board model and revision printed on the PCB, read and keep the original chip contents, and check that the chip capacity is 512 KB before programming.
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 @bioshub. 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 →