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Old 28th April, 2004, 11:16 PM
Aedan Aedan is offline
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Join Date: September 2001
Location: Europe
Posts: 13,075

You wouldn't be able to make the Shuttle battery powered, unless you wanted to lug a car battery around with you.

If you want a machine you can take to lectures or other areas in a hurry, you don't have a choice but to go for the laptop. In terms of graphical power, the more powerful the graphics, the less battery life you'll get from it on battery. Even with a relatively low power graphics card, getting more than an hours worth of battery life whilst playing something intensive is pretty hard.

In terms of mobile graphics, ATI don't do anything above the Mobility Radeon 9700. Laptop batteries just can't handle the extra current drain required by high performance graphics. A typical laptop power budget is less than 20W of power on average, including the screen. Try getting a Radeon 9700 pro to run on 20W on it's own!
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