An archive of repair files for Dell hardware (board DAGM6CMB8DO). Shared as “Dell XPS 1502 (dagm6cmb8do).rar” — a .rar file, 2.13 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 @IT_SERVICE_WORLD. 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)