A boardview (component placement) file for Lenovo hardware (board NM-B501). Shared as “Thinkpad T480 - NM-B501 BoardView.tvw” — a .tvw file, 12.3 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 .tvw file
Binary boardview from Tebo-ICT test software, frequent for Gigabyte, MSI and many newer laptop boards.