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Energy Efficient Servers: Blueprints for Data Center Optimization by Corey Gough, Ian Steiner, Winston Saunders

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CHAPTER 4

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Platform Power Management

Each CPU in a data center requires a large amount of support hardware. This support hardware, contained within the server chassis, is generally referred to as the platform. Over the years, more and more of the platform has been integrated into the CPU, such as memory controllers and PCIe connectivity. However, a large portion of the overall power in the data center is still consumed by the support infrastructure outside of the CPUs and memory. Storage (drives), networking, power delivery, and cooling all can contribute a significant amount to the overall cost of a data center. Some of these components (like ...

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