JAMMA Interface for Raspberry Pi - Compatible with RGB-Pi

This board makes you to use the Raspberry Pi in JAMMA Arcade Cabinet.VGA666 and MCP23017 interfaces and RGB-Pi (OS2/OS4) is compatible with this board. Raspberry Pi is not included   Setup : Mount the Raspberry Pi upside down with the bottom facing up. You can also mount it with the heatsink attached Connect the JAMMA harness to the board. Note the location of the key slot   Features : Compatible with Raspberry Pi 3B+ & 4 Can be mounted with heatsink attached Cooling fan to prevent the Raspberry Pi from overheating Buil-in AMP and Volume Knob to work speaker in Arcade Cabinet Support Stereo Sound output on MVS Cabinet Les Lock to keep this board secure in the Arcade Cabinet