1.\" $NetBSD: piixpm.4,v 1.8 2020/01/14 15:43:19 msaitoh 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 January 14, 2020 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.It 46AMD FCHs (HUDSON, BOLTON and KERNCZ) 47.El 48.Sh SEE ALSO 49.Xr iic 4 , 50.Xr intro 4 , 51.Xr pci 4 52.Sh HISTORY 53The 54.Nm 55driver first appeared in 56.Ox 3.9 57and then in 58.Nx 4.0 . 59.Sh AUTHORS 60.An -nosplit 61The current 62.Nm 63driver was written by 64.An Alexander Yurchenko Aq Mt grange@openbsd.org . 65It was ported to 66.Nx 67by 68.An Jared D. McNeill Aq Mt jmcneill@netbsd.org . 69.Sh BUGS 70The driver doesn't support I2C commands with a data buffer size of more 71than 2 bytes. 72