Boardview in .gr format for motherboard 10260-1, a number that follows the Wistron five-digit project numbering pattern used on boards built for several laptop brands. The 304 KB file shows component outlines, part references and net connections, letting you find test points, follow a signal between chips and pinpoint parts near a suspected short. GR files open in viewers such as OpenBoardView or BoardViewer. Check that the number and revision printed on your PCB read 10260-1 before relying on the layout.
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 @one5technology. Enginerys does not host this file.