Originally Posted by lightman
I tried enabling PECI in the bios, and guess what ? TAT temps are the same as before (well, a little lower with orthos and tat running (about 44 °C, both cores), but Speedfan and Probe II readings are incredibly lower: about 18-19 °C at idle, and 34 under load.
TAT and Core Temp both read the same for me. They read from the digital sensors located in each core.
Probe II reads from sensors near the cpu, so they will be lower. Speedfan, I never used it. Unsure about that one. I would go with what TAT or Core Temp says.