A boardview (component placement) file for Dell hardware (board LA-E081P, LA-E082P). Shared as “Dell latitude 5480 CDM70 LA-E081P BIOSLatitude 54805488.rar” — a .rar file, 37.0 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 @Laptopbiossolutions. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
7-ZipWinRARThe Unarchiver (macOS)