A boardview (component placement) file (board 11309-1). Shared as “_WISTRON Husk 11309-1 - BoardView.GR” — a .gr file, 212 B.
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.