PGS(4) Device
Drivers Manual (macppc) PGS(4)
NAME
pgs —
programmer's switch
SYNOPSIS
pgs* at macgpio?
DESCRIPTION
The pgs driver provides support for the
"Programmer's Switch" found on selected PowerMac2,1 and newer
models. If the ddb.console
sysctl(8) is set, pressing
the button will cause the machine to enter ddb(4). The "Programmers Switch" can be identified
by the V-like symbol on it.
SEE ALSO
HISTORY
Support for the pgs driver first appeared
in OpenBSD 4.8.
AUTHORS
The pgs driver was written by
Jasper Lievisse Adriaanse
<jasper@openbsd.org>.
OpenBSD 7.8 July
16, 2013 PGS(4)