Zalman CNPS9500 LED CPU Cooler
 

This is when I saw where the reputation for the hot Prescott cores came from, I had problems keeping this chip from setting off alarms. I thought it might not be set properly so I removed it, cleaned it and reset it, and still was getting high temps. Letting this one stay on there a week for the AS5 to cure was a hard decision and I was glad to take it off and put the Zalman 9500 back on, but this time with the AS5