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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. Almost all modern console gaming systems have hardware-based schemes which ensure that only officially sanctioned games may be used with the system and implement regional lockout similar to the scheme used in DVD movies. The specific technical nature of these DRM systems varies by system, and may include cryptographic signing (Xbox), intentionally unreadable sectors (PlayStation, Sega Saturn), custom optical media (GameCube, Dreamcast), or some combination thereof. Modchips are available also for some DVD players, to defeat region code enforcement and user operation prohibitions. Die Xenium AG ist ein Software- und Beratungshaus mit Sitz in München.

Modchips typically require some level of technical ability to install. Most commonly, modchips must be soldered on to a console's motherboard, although there are no-solder install kits (which instead rely on the precise positioning of electrical contacts within the case) which work with some revisions of the PlayStation 2 and Xbox hardware.

History

Modchips first came into popularity with the original Sony PlayStation and were developed for playing import games. They worked by simply injecting the region code of all three available regions into the appropriate data stream, and had the side effect of enabling users to play burned games. Originally the PlayStation had a parallel port in the rear which was intended for debugging purposes. Philips Xenium 9@98 (Xenium 998) [ inside-handyde ]. In the year 1998 some developers found a way to use a Game Enhancer or Cheat Cartridge and a spring (that tricked the console to believe the lid is closed) to swap from an original disc to an import or burned title. Sony removed the parallel port with the latest revision (SCPH-9000) of the PlayStation in May 1999, just one year prior to the release of the PlayStation 2. The name Modchip itself appeared first in early 1996 and was coined by Old Crow, a scene member. The original Modchip was programmed by a western engineer under contract for a Hong Kong company and was based on the PIC 16C54 microcontroller. Prices dropped after a few months, because Old Crow reverse-engineered it using a "blackbox" approach and released the first PIC 12C508 (an 8-pin microcontroller by Microchip) source code for free to the community. Der Xenium Gold 24k ist der Nachfolger des beliebten Xenium Ice Xbox modchips.