At 08:05 PM 2/25/02 -0600, Jim wrote: >What - no power conditioning/"surge" strips or >UPSes? > >Or did these get toasted too? > >I have always run the "Isobar" and "IsoTel" series >which are made of extruded aluminum and have *real* >coils and caps (noise/EMI/RFI protection) as well as >surge suppressor (transorb/varistor) devices ... Sounds like this was a power supply failure, as opposed to a transient coming from the outside world. Standard computer power supplies work by sampling the 5V output and adjusting the duty cycle of the switch mode controller so as to maintain the desired output voltage. If the feedback quits, the power supply runs wide open - with the results that Bob described. dwayne Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA (780) 489-3199 voice (780) 487-6397 fax Celebrating 18 years of Engineering Innovation (1984 - 2002) .-. .-. .-. .-. .-. .-. .-. .-. .-. .- `-' `-' `-' `-' `-' `-' `-' `-' `-' Do NOT send unsolicited commercial email to this email address. This message neither grants consent to receive unsolicited commercial email nor is intended to solicit commercial email. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu