An archive of repair files (board DA0NJ5MB8C0). Shared as “DA0NJ5MB8C0 _207.7z” — a .7z file, 1.52 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 @IT_SERVICE_WORLD. Enginerys does not host this file.
How to open a .7z file
High-ratio compressed archive, often used for large BIOS collections.
7-ZipWinRARKeka (macOS)