PCHTEMP(4) | Device Drivers Manual | PCHTEMP(4)

# NAME

`pchtemp` — Intel PCH temperature sensor

# SYNOPSIS

`pchtemp* at pci?`

# DESCRIPTION

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.

# SEE ALSO

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

# HISTORY

The `pchtemp` driver first appeared in OpenBSD 5.9.

# AUTHORS

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

# CAVEATS

The temperature sensor only attached if it has been enabled by the BIOS.

June 20, 2020 | Debian