A boardview (component placement) file (board DA0Z8CMB8D0). Shared as “DA0Z8CMB8D0 Rev.D 141118.cad” — a .cad file, 1.25 MB.
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