A boardview (component placement) file (board DA0P5HMB8F0). Shared as “QUANTA 0P5-C (BDV) da0p5hmb8f0 (BDVPK).rar” — a .rar file, 180 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)