Component and net layout for the MSI H81M-P33 micro-ATX motherboard, MS-7817 Rev 1.2, stored as a 3.50 MB .cad boardview. MSI uses the MS-7xxx code to identify its desktop board designs, and the revision suffix matters because placements can change between versions. The file helps locate test points, follow the CPU and memory power rails, and pinpoint a shorted capacitor or failed regulator. Open it in a boardview viewer such as OpenBoardView and compare it with the revision printed on the board.
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 @boardviews. Enginerys does not host this file.
How to open a .cad file
GenCAD text export, the usual format for Compal, Quanta, Wistron and Dell / HP / Lenovo laptop boards.