1.\" $NetBSD: piixpm.4,v 1.4 2008/11/20 09:06:44 wiz Exp $ 2.\" $OpenBSD: piixpm.4,v 1.9 2006/01/18 03:06:33 brad Exp $ 3.\" 4.\" Copyright (c) 2004, 2005 Alexander Yurchenko <grange@openbsd.org> 5.\" 6.\" Permission to use, copy, modify, and distribute this software for any 7.\" purpose with or without fee is hereby granted, provided that the above 8.\" copyright notice and this permission notice appear in all copies. 9.\" 10.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17.\" 18.Dd March 26, 2008 19.Dt PIIXPM 4 20.Os 21.Sh NAME 22.Nm piixpm 23.Nd Intel PIIX and compatible Power Management controller 24.Sh SYNOPSIS 25.Cd "piixpm* at pci? dev ? function ?" 26.Cd "iic* at piixpm?" 27.Sh DESCRIPTION 28The 29.Nm 30driver provides support for the Intel PIIX and compatible Power Management 31controller. 32Only the SMBus host interface is supported and can be used with the 33.Xr iic 4 34framework. 35.Pp 36Supported chipsets: 37.Pp 38.Bl -bullet -compact -offset indent 39.It 40ATI SB200, SB300, SB400, SB600, SB700, SB800 41.It 42Intel 82371AB (PIIX4), 82440MX 43.It 44Serverworks OSB4, OSB5, OSB6, HT1000SB 45.El 46.Sh SEE ALSO 47.Xr iic 4 , 48.Xr intro 4 , 49.Xr pci 4 50.Sh HISTORY 51The 52.Nm 53driver first appeared in 54.Ox 3.9 55and then in 56.Nx 4.0 . 57.Sh AUTHORS 58.An -nosplit 59The current 60.Nm 61driver was written by 62.An Alexander Yurchenko Aq grange@openbsd.org . 63It was ported to 64.Nx 65by 66.An Jared D. McNeill Aq jmcneill@netbsd.org . 67.Sh BUGS 68The driver doesn't support I2C commands with a data buffer size of more 69than 2 bytes. 70