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Am I in a Danger Zone ???

A

azev

Golden Member
Just overclock my Northwood 1.8a to 2.356 on asus p4b533-e. I am running 131fsb, 1:1 mem, 1.7Vcore, 2.9V memory, all device enabled. An hour ago the computer has just finished 24 hours running Prime95 and as my web and mail server.
Just today I read that Vcore more than 1.7V is dangerous to the chip. My Vcore while on load is a bit under 1.7, but when I turn off prime95 it jumps right up to 1.78V. I wonder what is going on, since I set on the Vcore on the bios at 1.7V ?
I then try to reboot the computer, and there is a hardware monitor notice of error, I went to the bios, and the vcore is highlighted in red in hardware monitor. I went to reduce the vcore to 1.65V and ran prime95, it fail after about 25 minutes.
Well, I reboot the computer and change the Vcore to 1.7V again. Right now it is just sitting there with the 1.78V vcore. Can this be something wrong with my asus probe ?? or it is normal for cpu to have more voltage that what is configured in the bios?? Btw, my CPU temps on idle is 35C and after 24hours prime95 is 53C.

Thanks
 
More important than voltage possibly being too high is that it shouldn't vary much from CPU or other system load. The fact that it changes so much depending on CPU load (or really based on power consumption would be my guess) indicates that your power supply sucks. The fact that the power supply sucks actually introduces a need for higher voltage in order to keep sufficient power flowing when the CPU (or even worse, drives & other components) is active.

Grab a copy of motherboard monitor and see what happens to the 3.3V line while your system is in use.
 
I think you might be right, my power supply does sucks. It is whatever came with antec 1030 case. Do you think changing it to a enermax 350 would be better bet for me ??? Have anyone experience that a better power supply actualy reduce the needs for high Vcore ??

Thanks
 
I personally would get that vcore down to being near 1.7v at idle or no load, then let load be were load is. The fact is most of the time the computer will not be running load and the 1.78v can take putting stress on those gates that are running.

Always go with actual vcore set and not what is in the bios. Yes the power supply could be affecting this but it could also be the mobo with many regulate the voltage differently.


Conclusion: Danger Zone!!!
 
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