How Xbox Works

Inside the X

In March 2000, rumors that Microsoft was developing a game console were confirmed when Gates took the wraps off the Xbox demo unit. In January 2001, the demo model, a big chrome “X” with a green-glowing light in the middle, was replaced by a more traditional black box. As analysts predicted, the only part of the demo model to make it into the final design is the glowing green light on top of the box. The sidewinder controller pad used with the demo unit was also altered for the final Xbox design.
xbox
A lot has been made of the Xbox’s design, but it takes more than a cool look to sell gamers on a product. Just like a book, it’s what’s inside the cover that really matters. One advantage that Microsoft has enjoyed is that it has been able to sit back and watch what other game console manufacturers have done. In doing so, Microsoft’s designers have examined what has worked and what has failed in recent game consoles.
On the inside, the Xbox is fairly similar to a PC. But Microsoft maintains that it is not a PC for your living room. There’s no mouse or keyboard to go with it. The Xbox does boast:

  • A modified 733-megahertz (MHz) Intel Pentium III processor with a maximum bus transfer rate of 6.4 gigabytes per second (GBps). The Xbox possesses the fastest processing speeds for a game console to date. For comparison, the PlayStation 2 has a 300-MHz processor and a maximum bus transfer rate of 3.2 GBps. The Nintendo GameCube has a 485-MHz processor and a 2.6-GB maximum bus transfer rate. See this page for a comparison of the Xbox, GameCube and PS2.
  • A custom 250-MHz 3-D graphics processor from Nvidia that can process more than 1 trillion operations per second and produce up to 125 million polygons per second. Polygons are the building blocks of 3-D graphic images. Increasing the number polygons results in sharper, more detailed images. The graphics processor also supports high resolutions of up to 1920Ă—1080 pixels. For comparison, the PlayStation 2 has a 150-MHz graphics processor and produces 70 million polygons per second. The GameCube has a 162-MHz graphics processor and produces 12 million polygons per second. It should be pointed out that the PlayStation 2 and Xbox figures are theoretical top speeds — it’s unlikely that your system will reach that limit. Nintendo’s figure is considered a more realistic number for its console.
  • A custom 3-D audio processor that supports 256 audio channels and Dolby AC3 encoding
  • An 8-GB built-in hard drive (Having a built-in hard drive allows games to start up faster.)
  • 64 MB of unified memory, which game developers can allocate to the central processing unit and graphics processing unit as needed (This arguably makes the Xbox more flexible for game designers.)
  • A media communications processor (MCP), also from Nvidia, that enables broadband connectivity, and a 10/100-Mbps (megabits per second) built-in Ethernet that allows you to use your cable modem or DSL to play games online. As of November 15, 2002, the Xbox online gaming service is active. It requires a broadband connection and a $49.95 subscription to Xbox Live. Click here to learn more.

Other Xbox features include:

  • 5X DVD drive with movie playback (functional with addition of movie playback kit)
  • 8-MB removable memory card
  • Four custom game controller ports (one controller sold with the unit)
  • HDTV support
  • Expansion port

See How Video Game Systems Work for a detailed comparison of the features of the Xbox, PS2 and GameCube.

For more Detail: How Xbox Works


About The Author

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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