An archive of repair files (board DA0ZY2MB6C0). Shared as “da0zy2mb6c0-e-0409-10.rar” — a .rar file, 5.28 KB.
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 @bartonarquivos. 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)