1.\" $NetBSD: ixpide.4,v 1.5 2009/10/19 18:41:09 bouyer Exp $ 2.\" 3.\" Copyright (c) 2003 Manuel Bouyer. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22.\" INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24.\" 25.Dd October 16, 2008 26.Dt IXPIDE 4 27.Os 28.Sh NAME 29.Nm ixpide 30.Nd PCI IDE disk controllers driver 31.Sh SYNOPSIS 32.Cd "ixpide* at pci? dev ? function ? flags 0x0000" 33.Sh DESCRIPTION 34The 35.Nm 36driver supports the ATI Technologies IXP IDE controller, and provides the 37interface with the hardware for the 38.Xr ata 4 39driver. 40.Pp 41The 0x0002 flag forces the 42.Nm 43driver to disable DMA on chipsets for which DMA would normally be 44enabled. 45This can be used as a debugging aid, or to work around 46problems where the IDE controller is wired up to the system incorrectly. 47.Sh HARDWARE 48The supported IDE controllers are 49.Bl -bullet -compact 50.It 51ATI SB200 52.It 53ATI SB300 54.It 55ATI SB400, Parallel ATA 56.It 57ATI SB400, Serial ATA 58.It 59ATI SB700, Serial and Parallel ATA 60.El 61.Sh SEE ALSO 62.Xr ata 4 , 63.Xr atapi 4 , 64.Xr intro 4 , 65.Xr pci 4 , 66.Xr pciide 4 , 67.Xr wd 4 , 68.Xr wdc 4 69.Sh CAVEATS 70Some SB700 controllers can hang under load when Native IDE mode is 71selected in the system BIOS, but work fine in AHCI mode. 72