Using Intel Speed Select on ThinkSystem Servers Running Linux

Intel Speed Select Technology is a processor-based power management technology that provides multiple CPU performance configurations for users to choose and set different frequency ranges to different cores according to their computing needs.

This paper introduces this new power management technology. The paper first reviews the legacy technologies and the various frequency range each works on, and points out two of the shortcomings of the legacy technologies. Then the paper introduces Intel Speed Select Technology and its main features features. Finally, the support status of the new technology and its usage on Linux is described.

Introduction
Overview of Legacy Intel Power Management Technologies
Intel SST
Intel SST Tool on Linux
References

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Related product families

Product families related to this document are the following:

• Processors
• Red Hat Enterprise Linux
• SUSE Linux Enterprise Server