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Temperature sensors [Web console]

Some Intel processors have Therm Margin and Therm Ctrl % sensors.

The Therm Margin sensor shows the number of degrees between the current temperature and the temperature at which the processor will begin to reduce its operational speed. Reducing the processor speed can, in many cases, reduce the processor operating temperature. The Therm Margin will be read as a negative temperature and will decrease to zero as the processor temperature increases. When the Therm Margin reaches zero temperature, the processor will begin to reduce speed, as necessary, to control its operating temperature.

The Therm Ctrl % sensor will show the percentage of time (during 5.8 second intervals) that the processor was operating at reduced speed because of increased processor temperature.


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