Duplicate-named BIOS binary for the 4331S model, 4.00 MB in size, sitting alongside a file of the same base name. Whether the two differ is not stated, so a quick checksum or hex comparison is worthwhile before flashing either. The name gives no board number or firmware revision. Typical use is reprogramming the SPI flash chip with a programmer to revive a board that fails to post; always save a backup of the current chip contents and verify the image size equals the chip capacity.
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 @biosfilebins. 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 →