A modification chip or modchip is a device used to play import, backup, or homebrew games and/or circumvent the digital rights management of many popular game consoles, including the Xbox, PlayStation and GameCube. Early mod chips for the Playstation were soldered into the system, but later ones attached themselves to the extension port on the back of the original Playstation. Non-CD media based systems, such as the Sega Master System or the NES, rarely relied on modchips.After the fifth-generation of video games, every console system featured CD\DVD-based media. For this reason the mod chip began to grow in popularity.