BIOS for the DG31GL board, named after Intel's desktop board series, supplied as a 512 KB binary. That size points to a 4 Mbit flash chip, smaller than on later boards. Technicians use it to recover a board after a failed update by writing the image with a programmer. Confirm the chip capacity, because a 512 KB image will not correctly fill a larger part. Back up whatever is on the chip first and look for the BIOS ID string in a hex editor to verify the model.
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 →