A boardview (component placement) file for Acer hardware (board 17891-1M). Shared as “Acer - Sapporo_GLK - 17891-1M BoardView.BRD” — a .brd file, 185 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 @ShareMan_Electronic_Files. Enginerys does not host this file.
How to open a .brd file
The most common boardview extension. Several unrelated formats share it, which is why one viewer opens a .brd and another refuses it.
OpenBoardViewFlexBVBoardViewerAllegro Free Physical Viewer (Allegro .brd only)