1.\" $OpenBSD: pgs.4,v 1.4 2013/07/16 16:05:49 schwarze Exp $ 2.\" 3.\" Copyright (c) 2010 Jasper Lievisse Adriaanse <jasper@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: July 16 2013 $ 18.Dt PGS 4 macppc 19.Os 20.Sh NAME 21.Nm pgs 22.Nd programmer's switch 23.Sh SYNOPSIS 24.Cd "pgs* at macgpio?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for the "Programmer's Switch" found on selected 29PowerMac2,1 and newer models. 30If the 31.Va ddb.console 32.Xr sysctl 8 33is set, pressing the button will cause the machine to enter 34.Xr ddb 4 . 35The "Programmers Switch" can be identified by the V-like symbol on it. 36.Sh SEE ALSO 37.Xr intro 4 , 38.Xr macgpio 4 , 39.Xr sysctl 8 40.Sh HISTORY 41Support for the 42.Nm 43driver first appeared in 44.Ox 4.8 . 45.Sh AUTHORS 46The 47.Nm 48driver was written by 49.An Jasper Lievisse Adriaanse Aq Mt jasper@openbsd.org . 50