These sudden reboots during Prime or CPUBurn load are classic vCore droop symptoms. Even though the P5W DH has a very good VRM, the vCore still bounces around as the CPU suddenly changes its current draw when programs enter/exit various loops. Usually higher vCore makes this go away, but there is a limit for each chip, and it sounds to me like you've found yours...Quote:
Originally Posted by eva2000
Temperature isn't really a factor until the core temperature gets up into the 70s. But as you increase vCore, you're increasing power consumption as the square of the voltage, so it goes up pretty fast.