AC/DC LE & PREMIUM (Stern) CPU board
Stern AC/DC pinball machines feature 12 full AC/DC performed classic songs. This feature requires more RAM (Random Access Memory) capacity on the CPU boards. The additional RAM added to the CPU board makes these CPU boards unique to AC/DC (Pro), (L/E), and (Premium) games. The AC/DC (Pro), (L/E), and (Premium) CPU boards are Not Compatible with any other games.