First volume of a multi-part RAR archive titled GTA V Atom Guy Edition, 3.91 GB in size, which by name is a repackaged game. No device, board number, revision or firmware detail is given, so it is unrelated to the schematic and BIOS files in this collection. This is the part from which WinRAR or 7-Zip begins extraction, but it still requires all following volumes to be present and intact. For board-level repair, diagnosing shorts or programming SPI chips, the archive offers nothing of practical use.
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 @laptopschematics. 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.