A boardview (component placement) file (board 18777-1). Shared as “Wistron LS40IC 18777-1 BOARDVIEW(BDV)(.CAD).cad” — a .cad file, 575 KB.
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 @ShareMan_Electronic_Files. 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.
OpenBoardViewFlexBVBoardViewer