In the late 1980s, when Nintendo was developing the Super Nintendo, they collaborated with Sony on a powerful sound chip for the console. This chip was a whole new way of synthesizing music and sound on a video game system, and it really helped the Super Nintendo stand out against its competition. The next step in this collaboration was adding CD capabilities to the Super Nintendo. This took two forms: an add-on drive that would plug into existing systems, and a combination device that could