RAR archive containing a BIOS image for an H61H2-LM3 revision V1.1 desktop board, with the name stating an 8MB size. That capacity corresponds to a 64 Mbit SPI flash, so check the chip marking on your board before programming, since some units of the same family use smaller chips. The file is intended for direct flashing with a hardware programmer when a board fails to post or after a bad update. Always read and keep a copy of the original contents first, and verify the written data afterwards to rule out a poor clip connection.
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 →