BIOS for the MSI G31M2 desktop motherboard, version 1.0, dumped from a Winbond W25X40 flash chip. The 512 KB raw bin matches that 4 Mbit SPI device exactly, so it can be programmed directly. It is useful when a G31 board shows no post due to corrupted firmware. Confirm the board model and PCB revision, read the original chip before erasing it, and verify the write. Any MAC address stored in the image may need restoring from the backup.
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 .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 →