A boardview (component placement) file for Lenovo hardware. Shared as “Thinkpad T490s - NM-B891Boardview.tvw” — a .tvw file, 6.29 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 .tvw file
Binary boardview from Tebo-ICT test software, frequent for Gigabyte, MSI and many newer laptop boards.
BoardViewerTebo-ICT ViewFlexBVOpenBoardView (recent builds)