BIOS image package for the Gigabyte GA-P61-USB3-B3 motherboard, hardware revision 1.0, compressed as a RAR archive of about 1.43 MB. A file like this is normally written to the board SPI flash with a programmer such as a CH341A when the original firmware is corrupted and the board will not POST. Read and save the existing chip contents first, and make sure the image size equals the flash capacity. Also note that Gigabyte boards often use dual BIOS chips, so check which one you are programming.
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 →