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Tuning UEFI Settings for Performance and Energy Efficiency on Intel Xeon Scalable Processor-Based ThinkSystem Servers

Planning / Implementation

15 Jun 2021
Form Number
PDF size
41 pages, 222 KB


Properly configuring UEFI parameters in a server is important for achieving a desired outcome such as maximum performance or maximum energy efficiency. This paper defines preset UEFI operating modes for Lenovo® ThinkSystem™ servers running 1st, 2nd and 3rd Gen Intel Xeon Scalable processors that are optimized for each of these outcomes. In addition, a thorough explanation is provided for each of the UEFI parameters so they can be fine-tuned for any particular customer deployment.

This paper is for customers and for business partners and sellers wishing to understand how to optimize UEFI parameters to achieve maximum performance or energy efficiency of Lenovo ThinkSystem servers with 1st, 2nd and 3rd Gen Intel Xeon Scalable processors.

4th Gen Intel Xeon processors: For 4th Gen Intel Xeon processors, see the separate document at

Table of Contents

Summary of operating modes
How to use OneCLI and Redfish to access these settings
UEFI menu items
Hidden UEFI Items
Red Hat Enterprise Linux (RHEL) and derivatives
Additional references

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