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.\" $OpenBSD: auxreg.4,v 1.4 2010/07/10 19:38:39 miod Exp $
.\"
.\" Copyright (c) 2003 Jason L. Wright (jason@thought.net)
.\" 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.
.\"
.\" 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 $Mdocdate: July 10 2010 $
.Dt AUXREG 4 sparc
.Os
.Sh NAME
.Nm auxreg
.Nd SPARC auxiliary register
.Sh SYNOPSIS
.Cd "auxreg0 at mainbus0 " Pq "sun4c and sun4e"
.Cd "auxreg0 at obio0 " Pq "sun4m"
.Sh DESCRIPTION
The
.Nm
device contains miscellaneous system controls, including the front panel LED.
This LED can be made to blink based on the load average by setting the
.Xr sysctl 3
variable
.Ar machdep.led_blink
to a non-zero value.
Internally, various status bits for the floppy controller are found
in
.Nm auxreg .
.Sh SEE ALSO
.Xr sysctl 3 ,
.Xr intro 4
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