An archive of repair files (board DAY33AMB6C0). Shared as “DAY33AMB6C0 REV C (Y33-C).rar” — a .rar file, 3.80 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 @Satale_bios_esquemas_Laptop. 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)