Small RAR archive labelled 5LXWV-RH-10, roughly 1.43 MB, with no manufacturer or model stated in the name. The trailing 10 may be a revision or version number, but the meaning of the code cannot be confirmed. Before using it, extract the archive and compare what is inside with the identifiers printed on your board or its sticker. If it holds a dump meant for an SPI chip, save a full read of the original chip with your programmer first, and check the file size matches the chip capacity before writing.
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 @schematicslaptop. 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.