ACPIBTN(4)                OpenBSD Programmer's Manual               ACPIBTN(4)

NAME
     acpibtn - ACPI button

SYNOPSIS
     acpibtn* at acpi?

DESCRIPTION
     The acpibtn driver is used to handle the event triggered when the user
     presses an ACPI button.  Currently, the only event handled is the press
     of a power button which causes the system to perform a regular system
     shutdown and power off the machine.

SEE ALSO
     acpi(4), intro(4)

HISTORY
     The acpibtn driver first appeared in OpenBSD 3.9.

AUTHORS
     The acpibtn driver was written by Marco Peereboom <marco@openbsd.org>.

OpenBSD 4.7                      May 31, 2007                                1
