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+.\" Copyright (c) 1999 Takanori Watanabe
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd January 8, 1999
+.Dt INTPM 4
+.Os
+.Sh NAME
+.Nm intpm
+.Nd Intel PIIX4 Power Management controller driver
+.Sh SYNOPSIS
+.Cd device smbus
+.Cd device smb
+.Cd device intpm
+.Sh DESCRIPTION
+This driver provides access to
+.Tn Intel PIIX4 PCI Controller function 3 ,
+Power management controller.
+Currently, only smbus controller
+function is implemented.
+But it also have bus idle monitoring function.
+It
+will display mapped I/O address for bus monitoring function when attaching.
+.Sh SEE ALSO
+.Xr smb 4 ,
+.Xr smbus 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Fx 3.4 .
+.Sh AUTHORS
+This
+manual page was written by
+.An Takanori Watanabe Aq takawata@shidahara1.planet.sci.kobe-u.ac.jp .
+.Sh BUGS
+This device requires IRQ 9 exclusively.
+To use this, you should enable
+ACPI function in BIOS configuration, or PnP mechanism assigns conflicted
+IRQ for PnP ISA card.
+And do not use IRQ 9 for Non-PnP ISA cards.