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! scope="col"|[https://www.system16.com/hardware.php?id=705 <abbr title="The Sega System C is an arcade board used by Sega between 1989 and 1994, and later used by Atlus for their Print Club series. A slight update called the Sega System C2 was introduced in 1990. This hardware is based on the Genesis hardware, the main cpu, the sound cpu and the graphic processor are the same. The main cpu is just a bit faster (10Mhz instead of 8Mhz) and there is no Z80, the sound chip is driven by the main cpu. The dac is also replace by a uPD7759. The Columns game manual refers to the hardware as Sega System 14. For more info: segaretro.org/Sega_System_Cor system16.com/hardware.php?id=705">C/C-2</abbr>]