Also asked, what is a jamma board?
JAMMA stands for Japan Amusement Machine and Marketing Association who in 1985 created the JAMMA wiring standard. This allowed all Arcade Cabinets that were wired in the JAMMA standard to run any game built to this standard. This was a costly operation due to none standard wiring.
One may also ask, what is a MAME cabinet? Arcade cabinet and MAMEMAME which stands for Multiple Arcade Machine Emulator is a software that allows to run and emulate approximately 3700 different arcade games such as, among the most famous ones Ms Pac Man, Metal Slug, Street Fighter II, Galaga etc.
Consequently, what does Jamma stand for?
Japan Amusement Machine and Marketing Association
What is arcade PCB?
Back in the 1980's a standard was created that allowed most arcade machine cabinets to use easily interchangeable game PCB's (printed circuit boards). It was called JAMMA, which stands for Japanese Amusement Machine Manufacturer's Association.