.\" Copyright (c) 1999 Takanori Watanabe
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.\" $FreeBSD: src/share/man/man4/intpm.4,v 1.8.2.4 2001/08/17 13:08:38 ru Exp $
.\" $DragonFly: src/share/man/man4/intpm.4,v 1.2 2003/06/17 04:36:59 dillon Exp $
.\"
.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 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 don't use IRQ 9 for Non-PnP ISA cards.