An archive of repair files (board DA0ZQEMB6C0). Shared as “4253 AMD U12 DA0ZQEMB6C0 REV C NUVOTON781LA.rar” — a .rar file, 1008 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 @abgm_manutencao_esquemas. 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)