A boardview (component placement) file for Dell hardware (board DAGM6BMB8F0). Shared as “Boardview DELL L502X DAGM6BMB8F0 DAGM6TB48B0.rar” — a .rar file, 9.11 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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
7-ZipWinRARThe Unarchiver (macOS)