A boardview (component placement) file (board 203005-1). Shared as “WISTRON _203005-1 BOARDVIEW(BDV)(.GR).GR” — a .gr file, 489 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.