An archive of repair files for Gigabyte hardware. Shared as “GA-H61M-DS2 (REV 1.0).rar” — a .rar file, 11.5 MB.
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.
7-ZipWinRARThe Unarchiver (macOS)