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Originally Posted by GlassMan
I believe the Integrated Thermal Sensor (ITS) is one bit. Very fast and accurate, at it's factory calibrated set (trip) point (135C?)
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There is no magic 135C number. The data sheet specifically says,
"The temperature where the THERMTRIP# signal goes active is individually calibrated during manufacturing."
That means each processor has a unique real trip point temp ie some get hotter than others and still function normally.
It also says,
"The temperature where THERMTRIP# goes active is roughly parallel to the thermal profile"
I do not get "calibrated" to mean the sensor was adjusted to an artifical number like 135C. I get the "calibrated" means the temp determined to be the trip point. It says the temperature is calibrated not the sensor.
You would have to find a tech data sheet on these Thermal sensors themselves to determine how they are calibrated before Intel takes any reading from them.