A boardview (component placement) file for HP hardware (board DA0R13MB6E1). Shared as “HP (R13) MB DA0R13MB6E1 REV;E (BDV) (PK).rar” — a .rar file, 83.2 KB.
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 @pkbiosbdv. 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)