Dell 720H2C Personal Computer User Manual


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Optimizing for Greater Performance
Dell™XPS™720Owner'sManual
Understanding Dual-Graphics Technology
Understanding CPU Overclocking
Understanding Dual-Graphics Technology
With dual-graphics technology, an optional second PCI Express graphics card will significantly increase graphics performance on your computer. Benefits of this
technology can be seen in the improved portrayal of the 3-D graphics used in gaming and design applications.
Each graphics card includes at least one GPU (graphics processing unit). In dual graphics card configurations, multiple GPUs dynamically share their workload
to provide the best possible performance. For a given application, the software selects the optimum rendering (processing) mode.
For more information about your graphics card, go to support.dell.com.
Understanding CPU Overclocking
Overclocking is the process of causing a computer component to run faster than designed or designated by the component manufacturer. Depending upon
your application (such as gaming or video editing), your performance may benefit from overclocking different subsystems within your computer.
TheDell™XPS™720H2C™EditionshipswithanoverclockedIntel®Core™2ExtremeEditionprocessorandanH2Ceramic (also called H2C™orHot-to-Cold)
cooling system designed to improve overall thermal capacity.
The processor has been overclocked through CPU multiplier overclocking via the BIOS to speeds faster than the standard speed of the processor.
You can make limited adjustments to the CPU operating frequency in system setup. For more information on accessing system setup, see System Setup. For
information on performance options, see Performance.
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NOTICE: Dell does not recommend operating the processor or other system components beyond the factory default settings. This may cause system
instability and reduce the operating life of your system components.
NOTICE: Dell Technical Support will verify the full functionality of the CPU at the factory default setting and support the CPU performance settings
available within the system BIOS. Dell does not provide technical support for any hardware or software issues arising from any third party applications
used to enable overclocking, such as NVIDIA nTune 5.0.
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