Hyper-Threading Technology: BIOS Settings and Requirements for Intel® Desktop and Server Boards

Documentation

Troubleshooting

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09/18/2018

POST Screen Display of Physical versus Logical Processors

Physical is implied when the count of processors is stated on the BIOS POST screen. The processor count should refer to logical processor count only if explicitly stated. The system BIOS should recognize two logical processors, but only one physical processor. Intel® Desktop/Server Boards supporting Hyper-Threading Technology will display only one physical processor during POST.

 

Hyper-Threading Technology BIOS Setup Options

For Intel® Desktop/Server Boards setup option location is the main menu of the BIOS setup program.

  • Located on the same menu screen that already had Processor Type, Processor Speed, System Bus Speed, and other related processor fields.
  • Setup Option Text
    • The field is called Hyper-Threading Technology.
  • Setup Option Values
    • The setup option values are Enabled and Disabled.
  • Setup Option Help Text
 

BIOS Setup Options for Intel® Desktop Boards

If an Intel® Processor without Hyper-Threading Technology is detected:

  • Hyper-Threading Technology setup option is grayed out (or removed)
  • Hyper-Threading Technology setup option value is forced to disabled
 

If an Intel® Processor with Hyper-Threading Technology is detected:

  • Hyper-Threading Technology setup option is displayed
  • The consumer in the BIOS Setup program can change Hyper-Threading Technology setup option