Archive labelled VM8G, 128 KB in RAR format. The name provides no brand, board revision or description of the contents. VM8G is likely a board or model code, but the exact device must be confirmed by opening the files. At this size it probably contains boardview data or a BIOS dump rather than a full schematic. Check the extracted files first. If it is firmware, back up the original SPI chip before writing and make sure the image size matches the chip capacity.
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)