Dell faces overclocking issue on quad-core desktops
 

*Source: InfoWorld (http://www.infoworld.com/article/07/...ktops_1.html)*
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Dell has stopped taking orders for one model of its high-end desktop PCs, citing issues related to overclocking quad-core processors from Intel.

Dell's XPS 720 H2C is a $5,939 computer designed to boost video-game performance by combining two Nvidia graphics cards with Intel's Core 2 Extreme chip, "overclocked" by Dell to run at a higher frequency than Intel intends. The computer uses a liquid radiator to dissipate the extreme heat generated by the setup, a more expensive design than standard air-cooled PCs.

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