Models
The original Game Boy.
Released on 21/04/1989 in Japan, 31/07/1989 in America, and 28/09/1990 in Europe.
The next-generation successor called Game Boy Color.
Released on 21/10/1998 in Japan, 18/11/1998 in North America, and 23/11/1998 in Europe.
Motherboard
Motherboard
Showing revision '04'. Note that 'DMG' is the identifier of the original Game Boy model.
Motherboard with important parts labelled
Diagram
Main architecture diagram
Based on the original Game Boy.