I have a major technical fascination with video games. Before discovering multimedia full motion video files I was interested in old 8-bit NES games. At one point, I disassembled a number of game cartridges and scan their ROM printed circuit boards. If you’re a gaming tech nerd like me, you might find my gallery of NES ROM images. This is what Super Mario Bros. looks like, the simplest, most unadorned type of PCB:

The interesting thing about many of the PCBs is the special hardware present on the board to extend the capabilities of the standard NES, usually in the form of extended memory.