Models
The Super Nintendo (in Europe) or Super Famicom (in Japan).
Released on 21/11/1990 in Japan and 11/04/1992 in Europe.
The Super Nintendo.
Released on 13/08/1991 in America.
Motherboard
Motherboard
Showing revision 'SNS-RGB-CPU-01'.
Earlier revisions had the Sound Subsystem connected as a daughterboard, later ones unified both PPUs.
Motherboard with important parts labelled
Diagram
Main architecture diagram
Bus 'A' and 'B' are address buses, the data bus follows the trail of bus 'B' and it's 8 bits wide.