xref: /freebsd/share/man/man4/intpm.4 (revision 23f282aa31e9b6fceacd449020e936e98d6f2298)
1.\" Copyright (c) 1999 Takanori Watanabe
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25.\" $FreeBSD$
26.\"
27.\" Note: The date here should be updated whenever a non-trivial
28.\" change is made to the manual page.
29.Dd January 8, 1999
30.Dt INTPM 4 i386
31.\" Note: Only specify the operating system when the command
32.\" is FreeBSD specific, otherwise use the .Os macro with no
33.\" arguments.
34.Os FreeBSD 3.0
35.Sh NAME
36.Nm intpm
37.Nd Intel PIIX4 Power management controller driver.
38.Sh SYNOPSIS
39.Cd device smbus
40.Cd device intpm
41
42.Sh DESCRIPTION
43This driver provides access to
44.Tn Intel PIIX4 PCI Controller function 3 ,
45Power management controller.
46Currently, only smbus controller
47function is implemented.
48But it also have bus idle monitoring function.
49It
50will display mapped I/O address for bus monitoring function when attaching.
51
52.Sh SEE ALSO
53.Xr smb 4 ,
54.Xr smbus 4
55.Sh HISTORY
56The
57.Nm
58manual page example first appeared in
59.Fx 3.0 .
60.Sh AUTHORS
61This
62manual page was written by
63.An Takanori Watanabe Aq takawata@shidahara1.planet.sci.kobe-u.ac.jp .
64.Sh BUGS
65This device requires IRQ 9 exclusively.
66To use this, you should enable
67ACPI function in BIOS configuration, or PnP mechanism assigns conflicted
68IRQ for PnP ISA card.
69And don't use IRQ 9 for Non-PnP ISA cards.
70