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+.\" $NetBSD: lcd.4,v 1.2 2017/02/17 22:24:46 christos Exp $
+.\" OpenBSD: lcd.4,v 1.2 2007/07/20 22:41:57 kettenis 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 February 17, 2017
+.Dt LCD 4 hppa
+.Os
+.Sh NAME
+.Nm lcd
+.Nd front panel LCD display
+.Sh SYNOPSIS
+.Cd "lcd0 at mainbus0"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the front panel LCD display found on newer
+HP PA-RISC workstations and servers.
+This LCD can be made to show a heartbeat based on the load average by
+setting the
+.Xr sysctl 3
+variable
+.Ar machdep.lcd_blink
+to a non-zero value.
+.Sh SEE ALSO
+.Xr sysctl 3 ,
+.Xr hppa/intro 4 ,
+.Xr sysctl 8
+.Sh HISTORY
+.An -nosplit
+The
+.Nm
+driver first appeared in
+.Ox 4.2 .
+It was ported to
+.Nx 6.0
+by
+.An Adam Hoka
+and
+.An Nick Hudson .