BIOS firmware for a board identified only as 945GZ7MC, packed in a 465 KB RAR, with no brand or revision stated. The 945GZ code refers to an Intel 945 series chipset of the LGA775 era, and the rest is the board model. Before writing, compare the model printed on your PCB carefully, since generic OEM boards share similar names. Read the original flash chip with a programmer and keep a copy, and verify that 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 @biosarchive. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →