What flavor of Soyo mobo???
If you're on KT400 or some such, rely on BIOS Health for current temps. Soyo KT400 is reported by Soyo to be off by +/- 10C for CPU die and should be within 10C of CPU external temp. It's NOT on most machines. If using MBM 5.2.x, sensors to match BIOS Health reporting are sensor 1 = CHA on BIOS, Sensor 2=CPU External in BIOS and LM-90 = CPU die temp (which is the critter at issue). With retail hs/f my die temps reported 63C~65C but the machine was stable with NO BSOD, re-boots or stability issues; box was always stable. Changed to SK6+, YS-Tech 40.1cfm 60mm fan and Shin Etsu PCS-11 TIM last Friday and after several hours of running now Case 28C from case sensor located center, 2" from top of mid-tower, 33C mobo (CHA), 34C CPU external and 50C CPU die. (Using Soyo conversion for die, would mean 50C should be 40C~44C for die) makes me happy! Only very new mobo's report cpu die and most, when talking of their temps, are really reporting what would equate to cpu external on Soyo KT's. Hope that helps.... Don't know if that's gospel, but what I've been able to gleen after several months of searching for Holy Grail of temps.....
Regards,
Tuxonadragon