BIOS archive for the Gigabyte GA-H81M-DS2 motherboard, revision 4.0, 2.88 MB ZIP. Gigabyte often changes components between revisions, so the rev marking printed on the PCB must match before flashing. The contents may be an official update file or an SPI dump; check the extracted size to decide whether it can be written directly with an external programmer or should go through the board flashing utility. Always back up the existing chip before writing to keep a recovery path.
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 .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →