Search 5101 NVRAM 6116 NVRAM 6116/6264 NVRAM 6264 NVRAM 62256 NVRAM for other Pinball Machine Battery Eliminators. The four extra pads connect to the spare data lines on the NVRAM. Then, just solder 4 wire links, one from each pad, and plug them to Pins 11, 12, 13 and 14, of the second SRAM IC socket.
