Ahh I see, sorry my bad Thank you anyway.
The PSU, maybe does not support thermal sensor then. But I wonder if the "Chassis #2" RPM show in my sensor screen shot is perhaps the PSU fan speed ? or I guess it could just be one of the 6 case fans. Not sure.
Also I will defiantly try the DIMM thermal sensor support.option you mentioned, just to see if I can pick up any RAM temps. Although i'll hold off on testing this option for the moment. As I don't want to do anything that might introduce instability, and thus cause the system to reboot. As the system seems to have developed some kind