83 lines
2.3 KiB
Groff
83 lines
2.3 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: fhc.4,v 1.5 2004/09/28 21:42:59 jmc Exp
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.\" $FreeBSD$
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.\"
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.Dd June 18, 2005
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.Dt FHC 4 sparc64
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.Os
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.Sh NAME
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.Nm fhc
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.Nd "FireHose controller and bus"
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.Sh SYNOPSIS
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.Cd "device fhc"
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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
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.Tn FireHose
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controllers and busses found in
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.Tn Sun Enterprise xx00
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systems.
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These controllers are also used for board level functions on these systems.
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Each 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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The
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.Dq Li Cycling
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LEDs 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/board Ns Ar N
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devices where
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.Ar N
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represents the physical slot number of the board.
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.Sh FILES
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.Bl -tag -width ".Pa /dev/led/board Ns Ar N"
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.It Pa /dev/led/board Ns Ar N
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board
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.Ar N
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LED device node
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.El
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.Sh SEE ALSO
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.Xr central 4 ,
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.Xr clkbrd 4 ,
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.Xr eeprom 4 ,
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.Xr led 4 ,
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.Xr uart 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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.Fx 5.1 .
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.Sh AUTHORS
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The
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.Nm
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driver was written by
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.An Jake Burkholder Aq Mt jake@FreeBSD.org .
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