This Double JAMMA board can be configured to allow installation in a 6 button Chinese JAMMA (CHAMMA) cabinet, or a standard JAMMA cabinet. It can run a mixture of CHAMMA and JAMMA boards.


CHAMMA boards(Chinese JAMMAish boards), like the Pandora and Elf boards, steal one of the ground pins and use it as an input allowing them to fit 6 buttons per player on the edge connector, instead of the typical 3 allowed by the JAMMA standard.

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