Power Management with Lenovo Efficiency Mode

As focus is increased on datacenter efficiency, understanding and investing in energy management has never been more important. Lenovo® has developed a unique feature called Lenovo Efficiency Mode in the System x® M5 series of servers. This new UEFI setting is designed to operate autonomously. It optimizes the processor frequency based on the dynamic workload changes and obtains the best performance/power ratio.

This paper is intended for use by datacenter administrators, end users, and technical sales personal who would like to learn about the benefits of Lenovo Efficiency Mode and how it operates.

Introduction
Methods of controlling CPU P-states
Comparing P-state control under Windows
Comparing P-state control under Linux
Conclusions

Changes in the December 7 update:

• Grammar and style corrections

Related product families

Product families related to this document are the following:

• 2-Socket Rack Servers
• 2-Socket Tower Servers
• Blade Servers
• Supercomputing Servers