RAR archive of about 1.08 MB for the P8H61-M LE desktop motherboard, with BR and version 1.03 in the name, which most likely points to a BIOS image or board revision 1.03, though the contents are not described further. Open the archive to see whether it holds a firmware dump, schematic or flashing tool. If it is a BIOS image, write it with an SPI programmer only after backing up the original chip, and confirm the image size matches the flash capacity. Also check that the board model and revision printed on the PCB agree with the file.
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 @alischematics. 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.