An archive of repair files (board 6050A3068501). Shared as “6050A3068501_MB_A01_A1 HD PHOTO.rar” — a .rar file, 17.8 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 @pkbiosbdv. 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.