On May 10, 2008, at 5:56 PM, Curtis H. Wilbar Jr. wrote: > Anyone familiar with the 3/80 to give an idea of why this might have > smoked. You have a short across the -12V rail. I have two 3/80 boards with the same symptom. I haven't had time yet to track down where the short is (most likely to be a cap). ok bear