1.\" $NetBSD: lm.4,v 1.25 2008/04/30 13:10:54 martin Exp $ 2.\" 3.\" Copyright (c) 2000 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Bill Squier. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd April 2, 2008 31.Dt LM 4 32.Os 33.Sh NAME 34.Nm lm 35.Nd National Semiconductor LM78, LM79 and compatible hardware monitors 36.Sh SYNOPSIS 37.Cd "lm0 at isa? port 0x280" 38.Cd "lm1 at isa? port 0x290" 39.Cd "lm2 at isa? port 0x310" 40.Cd "lm3 at isa? port 0xa00" 41.Cd "lm0 at pnpbios0 index ?" 42.Sh DESCRIPTION 43The 44.Nm 45driver provides support for the 46.Tn National Semiconductor 47LM series hardware monitors and register compatible chips to be used with 48the 49.Xr envsys 4 50API. 51.Pp 52Most supported devices possess 11 sensors: 53.Bl -column "Sensor" "Units" "Typical" -offset indent 54.It Sy "Sensor" Ta Sy "Units" Ta Sy "Typical Use" 55.It Li "IN0" Ta "uV DC" Ta "Core voltage" 56.It Li "IN1" Ta "uV DC" Ta "unknown" 57.It Li "IN2" Ta "uV DC" Ta "+3.3V" 58.It Li "IN3" Ta "uV DC" Ta "+5V" 59.It Li "IN4" Ta "uV DC" Ta "+12V" 60.It Li "IN5" Ta "uV DC" Ta "-12V" 61.It Li "IN6" Ta "uV DC" Ta "-5V" 62.It Li "Temp" Ta "uK" Ta "Motherboard Temperature" 63.It Li "Fan0" Ta "RPM" Ta "Fan" 64.It Li "Fan1" Ta "RPM" Ta "Chassis Fan" 65.It Li "Fan2" Ta "RPM" Ta "Fan" 66.El 67for some devices (most Winbond devices) sensor names and numbers will be 68different. 69.Pp 70Due to hardware limitations, fresh sensor data is only available every 712 seconds. 72.Sh HARDWARE 73Chips supported by the 74.Nm 75driver include: 76.Pp 77.Bl -item -offset indent 78.It 79.Tn National Semiconductor 80.Em LM78 , 81.Em LM78-J , 82.Em LM79 83and 84.Em LM81 . 85.It 86.Tn Winbond 87.Em W83627HF , 88.Em W83627THF , 89.Em W83627EHF , 90.Em W83627DHG , 91.Em W83637HF , 92.Em W83697HF , 93.Em W83781D , 94.Em W83782D , 95.Em W83783S , 96.Em W83791D , 97.Em W83791SD 98and 99.Em W83792D . 100.It 101.Tn ASUS 102.Em AS99127F . 103.El 104.Sh SEE ALSO 105.Xr envsys 4 , 106.Xr envstat 8 107.Sh HISTORY 108The 109.Nm 110device appeared in 111.Nx 1.5 . 112.Sh BUGS 113Interrupt support is unimplemented. 114.Pp 115There are currently no known pnpbios IDs assigned to LM chips. 116