RAR archive, 47.8 KB, for board 08627-SA, the fuller of two uploads sharing this number. The name gives no brand, model or contents, and no scheme was confirmed, though the SA suffix looks like Wistron project naming. The size suggests a boardview or similar layout data. Extract it and load any layout into a boardview viewer to locate parts, follow nets and probe test points. Distinguish it from 08627-1 by checking the silkscreen on your PCB.
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 @cyberlanelectonik. 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)