A boardview (component placement) file (board LA-6901P). Shared as “IT SERVICE WORLD_Compal_LA-6901P_P5WE0_P5WS0_BoardView (2).rar” — a .rar file, 788 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 @abgm_manutencao_esquemas. 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)