An archive of repair files (board DA0ZAWMB8C0). Shared as “da0zawmb8c0-c-roger-172-0227-6.rar” — a .rar file, 1.23 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 @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)