Advanced Settings - Lenovo M55p - ThinkCentre - 8808 Hardware Maintenance Manual

Advanced settings

On some computer models the Advanced settings menu includes a setting to Enable/Disable
HyperThreading. This feature works only with HyperThreading-aware operating systems such as Microsoft®
Windows® XP. The default setting for HyperThreading is Enabled. However, if you select Set Defaults and
are using an operating system other than Windows XP, the computer performance might be degraded.
Therefore, you should always set HyperThreading to Disabled unless you are sure your operating system
supports HyperThreading.
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Chapter 6 Using the Setup Utility