Binary BIOS file of 512 KB for a G31MX board, with the extra token 46GMX, which probably refers to a specific board variant. The 512 KB size corresponds to a 4 Mbit flash, typical of older Intel G31 chipset desktop motherboards. Technicians write such images with a programmer to revive boards bricked by a failed update. Because the naming is vague, verify the model and revision on the PCB, make sure the flash is a 4 Mbit part, and save the original chip contents before flashing.
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 @laptopdesktopbiosbin. 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 →