BIOS archive for the Gigabyte GA-H55M-UD2H motherboard, revision 1.0, a 6.17 MB RAR file. The name gives no version or test status, so inspect the contents before use. Gigabyte boards of this era often carry dual BIOS chips, and a dump like this can be written to the main or backup SPI chip with a programmer when the board fails to boot. Match the revision printed on the PCB, since a separate rev 1.3 image exists, back up the original chip first and confirm the file size fits the chip.
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 →