MSI MS-96B3 at revision 10, supplied as a ZIP file of about 1.20 MB. Only the board number and revision appear in the name, so the contents are unconfirmed, most probably schematic pages. The MS-9xxx prefix belongs to MSI's in-house board numbering. Use the document to follow power sequencing, check the supply rails at their test points and locate the parts behind a short. Because revision 0A and 20 archives also exist, match the revision printed on the PCB before relying on part references.
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 .zip file
Compressed archive that every operating system opens without extra software.