89 lines
2.4 KiB
Groff
89 lines
2.4 KiB
Groff
.\"-
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.\" Copyright (c) 2004 Jason L. Wright (jason@thought.net)
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" from: OpenBSD: clkbrd.4,v 1.2 2005/02/21 11:29:36 jmc Exp
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.\" $FreeBSD$
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.\"
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.Dd June 18, 2005
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.Dt CLKBRD 4 sparc64
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.Os
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.Sh NAME
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.Nm clkbrd
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.Nd "clock board"
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.Sh SYNOPSIS
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.Cd "device clkbrd"
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for the clock board found in
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.Tn Sun Enterprise xx00
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systems.
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The clock board has three status LEDs labeled
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.Dq Li Power ,
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.Dq Li Failure
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and
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.Dq Li Cycling .
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These LEDs are also mirrored on the main front panel.
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The
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.Dq Li Cycling
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LED can be made to blink by writing
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.Tn ASCII
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strings to the
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.Pa /dev/led/clockboard
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device.
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.Pp
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On attach the
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.Nm
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driver also prints out the number of board slots the chassis provides.
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.Sh FILES
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.Bl -tag -width ".Pa /dev/led/clockboard"
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.It Pa /dev/led/clockboard
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clock board LED device node
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.El
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.Sh SEE ALSO
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.Xr fhc 4 ,
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.Xr led 4
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.Sh HISTORY
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The
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.Nm
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driver first appeared in
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.Ox 3.7 .
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The first
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.Fx
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version to include it was
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.Fx 6.0 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Nm
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driver was written by
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.An Jason L. Wright
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and ported to
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.Fx
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by
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.An Marius Strobl Aq Mt marius@FreeBSD.org .
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.Sh CAVEATS
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Hardware management functionality is not implemented.
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