1.\" $OpenBSD: sysbutton.4,v 1.6 2007/05/31 19:19:55 jmc Exp $ 2.\" 3.\" Copyright (c) 2007 Gordon Willem Klok <gwk@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: May 31 2007 $ 18.Dt SYSBUTTON 4 macppc 19.Os 20.Sh NAME 21.Nm sysbutton 22.Nd Xserve G4 and G5 front system identifier button 23.Sh SYNOPSIS 24.Cd "sysbutton* at macgpio?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for the system identifier button found on 29the front panel of Apple G4 and G5 Xserve machines. 30.Pp 31If the 32.Va ddb.console 33.Xr sysctl 8 34is set, 35pressing the system identifier 36button will cause the machine to enter 37.Xr ddb 4 . 38.Sh SEE ALSO 39.Xr intro 4 , 40.Xr macgpio 4 , 41.Xr sysctl 8 42