freebsd-nq/share/man/man4/man4.sparc64/sbus.4

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.\" Copyright (c) 2001 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Paul Kranenburg.
.\"
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.\" modification, are permitted provided that the following conditions
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.\" This product includes software developed by the NetBSD
.\" Foundation, Inc. and its contributors.
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.\" contributors may be used to endorse or promote products derived
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.\" 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.
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.\" from: OpenBSD: sbus.4,v 1.27 2005/03/05 01:44:48 miod Exp
.\" from: NetBSD: sbus.4,v 1.5 2002/01/21 17:54:10 wiz Exp
.\" $FreeBSD$
.\"
.Dd June 18, 2005
.Dt SBUS 4 sparc64
.Os
.Sh NAME
.Nm sbus
.Nd SBus controller and bus
.Sh SYNOPSIS
.Cd "device sbus"
.Sh DESCRIPTION
The
.Nm
driver provides support for the SBus controllers and busses found in older
.Tn UltraSPARC
workstations and small to medium server class systems.
The SBus is an I/O interconnect bus supporting both on-board peripherals and
extension boards.
The SBus specifications define the bus protocol as well as the electrical and
mechanical properties of the extension slots.
.Sh SEE ALSO
.Xr auxio 4 ,
.Xr eeprom 4 ,
.Xr esp 4 ,
.Xr hme 4 ,
.Xr isp 4 ,
.Xr snd_audiocs 4 ,
.Xr uart 4
.Sh HISTORY
The
.Nm
driver first appeared in
.Nx 1.3 .
The first
.Fx
version to include it was
.Fx 5.0 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An "Paul Kranenburg"
and ported to
.Fx
by
.An "Thomas Moestl" Aq tmm@FreeBSD.org .