RAR package of 4.91 MB labelled for the MSI MS-7059 motherboard. No revision, chipset or content list is included in the name, so it could be a schematic, BIOS files or a mix. The MS-7xxx code is MSI's own desktop board identifier, found on the PCB silkscreen. Extract it with WinRAR or 7-Zip and match the board revision before relying on any diagram. When flashing a firmware image, read and save the original chip first and verify the image size equals 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 @IT_SERVICE_WORLD. 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.