An archive of repair files for ASUS hardware (board 6050A3249301). Shared as “ASUS G513-6050A3249301-MB-A03(A3).7z” — a .7z file, 13.5 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 @boardsscanrepo. 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)