That happened to me. Power supply lost its ability to regulate and went ballistic. Basically the crowbar protection kept the +5 and +3.3 lines down, but anything that used +12 volts was dead afterward - modem, soundcard, hard drive, motherboard. Cheers, Bob -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body