1.\" $NetBSD: edc.4,v 1.12 2017/07/03 21:30:58 wiz Exp $ 2.\" 3.\" Copyright (c) 1999 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd April 19, 2001 28.Dt EDC 4 29.Os 30.Sh NAME 31.Nm edc 32.Nd 33.Tn IBM 34DASD Storage Interface 35ESDI disk driver 36.Sh SYNOPSIS 37.Cd "edc* at mca? slot ?" 38.Cd "ed* at edc? drive ?" 39.Sh DESCRIPTION 40The 41.Nm 42driver supports 43.Tn IBM 44.Tn MCA 45ESDI disk controllers and disks, most commonly 46found in 47.Tn IBM 48.Tn PS/2 49machines. 50Supported boards include: 51.Pp 52.Bl -tag -width xxxx -offset indent 53.It Tn IBM ESDI Fixed Disk Controller 54.It Tn IBM Integrated ESDI Fixed Disk & Controller 55.El 56.Sh SEE ALSO 57.Xr intro 4 , 58.Xr mca 4 59.Sh HISTORY 60This driver appeared in 61.Nx 1.6 . 62.Sh AUTHORS 63The driver was written by 64.An Jaromir Dolecek 65.Aq jdolecek@NetBSD.org . 66.Sh NOTES 67The driver should also work properly on machines with more than 6816MB of memory, using buffer bouncing to overcome 24bit MCA DMA 69limitation. 70