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+.\"	$NetBSD: ebus.4,v 1.3 2002/03/13 21:42:20 wiz Exp $
+.\"
+.\" Copyright (c) 1999 Matthew R. Green
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. The name of the author may not be used to endorse or promote products
+.\"    derived from this software without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.Dd March 13, 2002
+.Dt EBUS 4
+.Os
+.Sh NAME
+.Nm EBus
+.Nd introduction to SPARC EBus bus support and drivers
+.Sh SYNOPSIS
+.Cd "ebus* at pci?"
+.Sh DESCRIPTION
+The
+.Nm
+bus is designed to provide the ability to put ISA and traditional
+Intel-style peripherals in a SPARC based system with a minimal amount
+of glue logic.  
+Typically, it is implemented in the PCIO IC from SME, which also
+implements a
+.Xr hme 4
+compatible PCI network device
+.Pf ( Ql network ) .
+The
+.Nm
+has four DMA channels, similar to the DMA seen in the
+.Xr esp 4
+.\" XXX: prevent SC-SI
+.hw SCSI
+SCSI DMA.
+.Sh SEE ALSO
+.Rs
+.%A Sun Microelectronics
+.%B Peripheral Component Interconnect Input Output Controller
+.%V Part\ No.:\ 802-7837-01
+.%D March 1997
+.%O "http://www.sun.com/microelectronics/manuals/802-7837.pdf"
+.Re