A year before releasing the CP System II, Capcom released an enhanced version of the original CP System dubbed the CP System Dash, which had some features that would later be used in the CP System II, such as the QSound chips. The CP System Dash boards have four interlocking PCBs contained in gray plastic boxes; this concept of enclosing arcade PCBs in a special plastic enclosure would later be reused for the CP System II hardware.
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