A boardview (component placement) file. Shared as “N19H1 NB8609_PCB_MB_V4 (BDV).cad” — a .cad file, 1.73 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 @alischematics. 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