Tested BIOS for the ASUS B85M-V5 PLUS, an Intel B85 micro-ATX desktop board, marked OK in the name. The archive is 18.2 MB, which suggests it may contain several images or tools, so check what is inside before use. A dump like this is programmed into the board's SPI flash with an external programmer to repair no-POST or boot-loop symptoms caused by corrupted firmware. Note the board revision, back up the existing chip contents, and make sure the image size matches the flash chip before writing.
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 →