1.\" $OpenBSD: lmenv.4,v 1.11 2007/05/31 19:19:50 jmc Exp $ 2.\" 3.\" Copyright (c) 2005 Theo de Raadt <deraadt@openbsd.org> 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: May 31 2007 $ 18.Dt LMENV 4 19.Os 20.Sh NAME 21.Nm lmenv 22.Nd National Semiconductor LM87 temperature, voltage, and fan sensor 23.Sh SYNOPSIS 24.Cd "lmenv* at iic?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for the National Semiconductor LM87, 29National Semiconductor LM81, Analog Devices ADM9240, and 30Dallas Semiconductor 1780 temperature sensors. 31The sensor possesses a collection of sensor values which are 32made available through the 33.Xr sysctl 8 34interface: 35.Bd -literal -offset indent 36$ sysctl hw.sensors.lmenv0 37hw.sensors.lmenv0.temp0=-128.00 degC (External) 38hw.sensors.lmenv0.temp1=29.00 degC (Internal) 39hw.sensors.lmenv0.fan0=3220 RPM 40hw.sensors.lmenv0.volt0=2.62 V DC (+2.5Vin) 41hw.sensors.lmenv0.volt1=1.49 V DC (Vccp) 42hw.sensors.lmenv0.volt2=3.28 V DC (+Vcc) 43hw.sensors.lmenv0.volt3=5.03 V DC (+5Vin/Vcc) 44hw.sensors.lmenv0.volt4=12.00 V DC (+12Vin) 45hw.sensors.lmenv0.volt5=1.20 V DC (Vccp) 46.Ed 47.Sh SEE ALSO 48.Xr iic 4 , 49.Xr intro 4 , 50.Xr sensorsd 8 , 51.Xr sysctl 8 52.Sh AUTHORS 53.An -nosplit 54The 55.Nm 56driver was written by 57.An Mark Kettenis Aq kettenis@openbsd.org . 58