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PCHTEMP(4) Device Drivers Manual PCHTEMP(4)

Intel PCH temperature sensor

pchtemp* at pci?

The pchtemp driver provides support for the temperature sensor in the Intel X99, C610 series, 9 series and 100 series platform controller hub (PCH).
These sensors provide 0.5 degC resolution. Sensor values are made available through the sysctl(8) interface.

intro(4), pci(4), sensorsd(8), sysctl(8)

The pchtemp driver first appeared in OpenBSD 5.9.

The pchtemp driver was written by Mark Kettenis kettenis@openbsd.org.

The temperature sensor only attached if it has been enabled by the BIOS.
February 6, 2016 OpenBSD-current