MSI MS-7142 board resources in a 2.98 MB RAR archive. Apart from the MSI model code, the name says nothing about the contents, such as diagrams, boardview or firmware. MSI assigns MS-7xxx numbers to its desktop mainboards and prints them on the PCB together with a revision. Before using any schematic to trace rails or any dump to reflash a BIOS chip, check that the board matches. When programming, back up the original chip first and make sure the image size matches the flash 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.