With an ATX power supply it is always on - unless you've a power= cut :)). Check your M/B, on some they have a suspend led (often= green) glowing when the system is shut down. colin -- cdb, bodgy1@optusnet.com.au on 19/04/2002 -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.