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ENVIRON(4) Device Drivers Manual (sparc64) ENVIRON(4)

environSPARC64 temperature sensor

environ* at fhc?

The environ driver provides support for the temperature sensor found on the boards of Sunfire, Starfire, and Wildfire UltraSPARC systems. The temperature readings are made available through the sysctl(8) interface.

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

The environ driver first appeared in OpenBSD 4.3.

The environ driver was written by Mark Kettenis <>.

July 16, 2013 OpenBSD-current