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+.\" $OpenBSD: bbc.4,v 1.5 2013/07/16 16:05:49 schwarze Exp $
+.\"
+.\" Copyright (c) 2007 Mark Kettenis <kettenis@openbsd.org>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd $Mdocdate: July 16 2013 $
+.Dt BBC 4 sparc64
+.Os
+.Sh NAME
+.Nm bbc
+.Nd SPARC64 BootBus Controller
+.Sh SYNOPSIS
+.Cd "bbc* at ebus?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the BootBus Controllers found on
+UltraSPARC III systems.
+.Pp
+The
+.Nm
+driver configures the system to do a full system reset when the
+watchdog timer provided by
+.Xr pmc 4
+expires.
+.Sh SEE ALSO
+.Xr intro 4 ,
+.Xr pmc 4
+.Sh HISTORY
+The
+.Nm
+driver first appeared in
+.Ox 4.2 .
+.Sh AUTHORS
+The
+.Nm
+driver was written by
+.An Mark Kettenis Aq Mt kettenis@openbsd.org .