1.\" $OpenBSD: acpitz.4,v 1.6 2013/07/16 16:05:48 schwarze Exp $ 2.\" 3.\" Copyright (c) 2006 Dmitri Alenitchev <dma@dma.org.ru> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: July 16 2013 $ 18.Dt ACPITZ 4 19.Os 20.Sh NAME 21.Nm acpitz 22.Nd ACPI thermal zone 23.Sh SYNOPSIS 24.Cd "acpitz* at acpi?" 25.Sh DESCRIPTION 26The 27.Nm 28driver supports ACPI Thermal Zones. 29Temperature information is available through this driver as a sensor 30which is updated every 10 seconds or, if the implementation supports it, 31via an event. 32If the temperature exceeds the 33.Sq critical 34temperature threshold, the system will be shut down and powered off. 35The sensor provided by 36.Nm 37can be monitored using 38.Xr sysctl 8 39or 40.Xr sensorsd 8 . 41.Sh SEE ALSO 42.Xr acpi 4 , 43.Xr intro 4 , 44.Xr sensorsd 8 , 45.Xr sysctl 8 46.Sh HISTORY 47The 48.Nm 49driver first appeared in 50.Ox 3.8 . 51.Sh AUTHORS 52.An -nosplit 53The 54.Nm 55driver was written by 56.An Can Erkin Acar Aq Mt canacar@openbsd.org . 57