MSI MS-7313 desktop motherboard schematic, with the name indicating revision 1.2, stored as a 1.08 MB PDF. MSI identifies desktop boards with MS-7xxx codes, and the revision printed on the PCB should agree with this document before you rely on component values. A technician can use it to trace the CPU VRM and memory supply, check standby and power-good signalling, review the BIOS chip connections and locate components when diagnosing a no-power or short condition.
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 @pepeelectronica. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.