A schematic diagram for Dell hardware (board DA0V07MBAD1). Shared as “Vostro_3360-DA0V07MBAD1_(Luirons_Esquemas).rar” — a .rar file, 806 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 @Satale_bios_esquemas_Laptop. 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.