MSI boardview for motherboard MS-16R81 version 2.0, packed in a 156 KB ZIP that per its name holds BDV and CAD files. MS- numbers are MSI's own board numbering, so this board is made in-house by MSI. BDV and CAD layouts open in viewers like OpenBoardView, FlexBV or Boardviewer and show part placement, net names and pin connections on both sides. Use it to locate test points, follow power rails, or find which component pulls a rail to ground, after confirming the PCB reads MS-16R81 Ver 2.0.
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 @cynetitsolution. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.