Atari 2600 RIOT Chip (A202 RAM I/O Timer) – RetroSix

The Atari 2600 RIOT Chip is the perfect solution for resolving any issues with the game cartridge pin. With the A202 chip, also known as the RIOT chip, you can ensure optimal RAM input output timing. This original IC from the 90s is a reliable and unused option for fixing any activity problems on your Atari 2600.