Firmware archive for a board labelled H81MLV3 with revision 7.x, alongside the image or version token H81WR521. The name points to an Intel H81 chipset desktop motherboard, but no manufacturer is stated. The 2.79 MB RAR likely contains a dump for the SPI flash. Use it to recover a board after a failed update by writing the chip with a programmer. Compare the model and revision printed on the PCB, keep a backup of the original contents, and confirm the image size matches the flash capacity.
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 →