ITHERM(4) - Device Drivers Manual

ITHERM(4) - Device Drivers Manual #

ITHERM(4) - Device Drivers Manual

NAME #

itherm - Intel 3400 temperature sensor

SYNOPSIS #

itherm* at pci?

DESCRIPTION #

The itherm driver provides support for several sensors found in Intel 3400 and 5 series chipsets.

The sensors currently exposed via the sysctl(8) interface are:

**Sensor**         **Units** **Typical Use**  
`Thermometer`      degC     Temperature  
`Core 1`           degC     Temperature  
`Core 2`           degC     Temperature  
`CPU power cons.`  Watts    Power usage  
`CPU/GPU Max`      degC     Temperature  
`DIMM 1`           degC     Temperature  
`DIMM 2`           degC     Temperature  
`DIMM 3`           degC     Temperature  
`DIMM 4`           degC     Temperature  
`GPU abs.`         degC     Temperature  
`PCH abs.`         degC     Temperature

SEE ALSO #

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

HISTORY #

The itherm driver first appeared in OpenBSD 4.8.

AUTHORS #

The itherm driver was written by Mike Larkin <mlarkin@openbsd.org>.

CAVEATS #

Not all sensors are wired on every machine, so the list of sensors shown in sysctl(8) may not show all the sensors listed above. Furthermore, the itherm driver will flag sensors as invalid if they report bogus data.

OpenBSD 7.5 - July 16, 2013