Intel PIIX4 Power Management Unit for smbus(4).

Submitted by: Takanori Watanabe <takawata@shidahara1.planet.sci.kobe-u.ac.jp>
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.\" Copyright (c) 1999 Takanori Watanabe
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.\" $Id$
.\"
.\" Note: The date here should be updated whenever a non-trivial
.\" change is made to the manual page.
.Dd January 8, 1997
.Dt INTPM 4 i386
.\" Note: Only specify the operating system when the command
.\" is FreeBSD specific, otherwise use the .Os macro with no
.\" arguments.
.Os FreeBSD 3.0
.Sh NAME
.Nm intpm
.Nd Intel PIIX4 Power management controller driver.
.Sh SYNOPSIS
.Cd controller intpm0
.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 smbus 4 ,
.Xr smb 4
.Sh HISTORY
The
.Nm
manual page example first appeared in
.Fx 3.0 .
.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.