The Ricoh2A03 or RP2A03 (NTSC version) / Ricoh 2A07 or RP2A07 (PAL version) is an 8-bit microprocessor manufactured by Ricoh for the Nintendo Entertainment
unit (CPU) was produced by Ricoh, which manufactured different versions between NTSC and PAL regions; NTSC consoles have a 2A03 clocked at 1.79 MHzTooltip
The Family Computer Disk System, commonly shortened to the Famicom Disk System, or just Disk System, is a peripheral for Nintendo's Family Computer home