System 573

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System 573

System 573 with a blue and black case.
Developer	Konami
CPU	MIPS R3000A @ 33.8688 MHz

The System 573 is an arcade system board made by Konami based on the original PlayStation. The hardware was used primarily for Konami's Bemani series of music video game arcades, including the popular Dance Dance Revolution series introduced in 1998. The System 573 is available is configurable with various expansion IO boards to add extra input or output, such as the analog and digital I/O boards for Dance Dance Revolution and other Bemani games. Systems with these IO boards are often called System 573 Analog and System 573 Digital respectively. There is another variant called the System 573 Satellite Terminal which allows for up to eight cabinets to be networked to a central one.

The name of the board is rooted in Japanese wordplay; each number in Japanese can be read with a number of different names, with Konami's name being one of many possible readings for "five-seven-three."^[1]