1.\" Copyright (c) 1999 Takanori Watanabe 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD: src/share/man/man4/intpm.4,v 1.15 2005/02/13 22:25:17 ru Exp $ 26.\" 27.Dd May 3, 2023 28.Dt INTPM 4 29.Os 30.Sh NAME 31.Nm intpm 32.Nd Intel PIIX4 Power Management controller driver 33.Sh SYNOPSIS 34.Cd device pci 35.Cd device smbus 36.Cd device smb 37.Cd device intpm 38.Sh DESCRIPTION 39The 40.Nm 41driver provides access to 42.Tn Intel PIIX4 43compatible Power Management controllers. 44Currently, only 45.Xr smbus 4 46controller function is implemented. 47.Sh HARDWARE 48The 49.Nm 50driver supports the following chipsets: 51.Pp 52.Bl -bullet -compact 53.It 54Intel 82371AB/82443MX 55.It 56ATI IXP400 57.It 58AMD SB600/7x0/8x0/9x0 southbridges 59.It 60AMD Axx/Hudson/Bolton FCHs 61.It 62AMD FCH integrated into Family 15h Models 60h-6Fh, 70h-7Fh Processors 63.It 64AMD FCH integrated into Family 16h Models 00h-0Fh, 30h-3Fh Processors 65.El 66.Sh SEE ALSO 67.Xr amdpm 4 , 68.Xr amdsmb 4 , 69.Xr ichsmb 4 , 70.Xr smb 4 , 71.Xr smbus 4 72.Sh HISTORY 73The 74.Nm 75driver first appeared in 76.Fx 3.4 . 77.Sh AUTHORS 78This 79manual page was written by 80.An Takanori Watanabe Aq Mt takawata@shidahara1.planet.sci.kobe-u.ac.jp . 81.Sh BUGS 82This device requires IRQ 9 exclusively. 83To use this, you should enable 84ACPI function in BIOS configuration, or PnP mechanism assigns conflicted 85IRQ for PnP ISA card. 86And do not use IRQ 9 for Non-PnP ISA cards. 87