freebsd-dev/share/man/man4/intpm.4

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.\" Copyright (c) 1999 Takanori Watanabe
.\" All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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1999-08-28 00:22:10 +00:00
.\" $FreeBSD$
.\"
.Dd January 8, 1999
2001-02-20 12:13:29 +00:00
.Dt INTPM 4
.Os
.Sh NAME
.Nm intpm
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.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.
2005-02-13 22:25:33 +00:00
And do not use IRQ 9 for Non-PnP ISA cards.