Xbox is the predecessor to Microsoft's Xbox 360 console.
The Xbox 360 sold out completely at release and by the end of September 2006 had sold 6 million worldwide.
Its Xbox Live service allows players to compete online as well as download games and additional content.
Known during development as Xenon, Xbox 2, Xbox Next or NextBox, the Xbox 360 was conceived in early 2003.
The end of OurColony came on May 12, 2005, with the release of a video where J Allard of Microsoft showed off the Xbox 360 console.
Due to its early launch, the Xbox 360 has a one-year lead on both of its competitors, Sony's PlayStation 3 and Nintendo's Wii.
Xenos contains 48 unified shader units, which are capable of both vertex and pixel shading operations. This is in contrast to older graphics processor designs which utilize separate specialized units for these tasks.