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p4 3.0e cooling : the thermal pad + thermal compound

T

timxpx

Senior member
i recently mounted a p4 3.0e in my computer and didn't really think it through, but i applied thermal compound over the pad that comes attached to the stock heat sink. my old processor was a 1.6 overclocked from the bios, so i never turned off overclocking when i got the new processor and it's been running at 3.6ghz for the 2 weeks i've had it.

according to the asus monitoring software and bios i run at about 40 degrees celsius under normal usage in windows and after a decently long session with half life 2, i run about 48 degrees. my computer stays on 24/7 and if anything has only been rebooted twice since installing the processor.

so a few questions:

are these temperatures good?

if i scratch off the thermal pad and use just compound will i run cooler?

should i have scratched off the pad in the first place?

am i going to run into problems since i have both the pad and compound?
 
Those temperatures are good, id leave it alone. and yes you shouldnt use both the compound and pad. but seeing as your temperatures are ok, Id leave. Dont really forsee any problems with it
 
ooo thanks .

if i encounter any problems like the thermal pad melting or a violent fire i'll follow up on this
 
Thermal pads and thermal compounds are there for the sole purpose of keeping air out from between the heatsink and the proc. Therefore, as little as possible of either should be used.
 
Hmmm... 40º at idle? that sound really good. My 3E idles at about 44.... and that's with Artic Silver 5 and a Zalman 7000B Al-Cu.
 
Temps sensor's can under read the temps, my neighbor's prescott says its running at 33 C. yours could have underread that much originally but because it has heat pad and paste its running hotter, so it appears that its in the normal range.

I would uninstall the heatsink, take off the pad and paste, and reinstall it with just the paste. That way, you can be sure its running at safe temps.
 
Many boards, i believe, don't use the on die temp sensor. And, as i said, my friend's prescott says its running at 33 C. Thats impossible for a prescott, they are very hot processors. Its probably really running at around 50C. So it definately is possible with intel CPU's.
 
Originally posted by: CheesePoofs
Temps sensor's can under read the temps, my neighbor's prescott says its running at 33 C. yours could have underread that much originally but because it has heat pad and paste its running hotter, so it appears that its in the normal range.

I would uninstall the heatsink, take off the pad and paste, and reinstall it with just the paste. That way, you can be sure its running at safe temps.
Click to expand...



what kind of mobo sir ? does that make a difference ?
 
His mobo is a gigabyte with the 865 chipset. I don't know the model offhand, i'll ask him when he gets on.

It makes a difference because it could mean that your processor is running much hotter than it says. I have heard of processors under reading the temps by almost 20C. If this is the case with yours (and its probably not) then it could be running at 60 idle and 68 idle. Like i said, its probably not under reading the temps that much, but i don't think you are really running that cool with two TIM's (thermal interface materials)

To be safe, i would recomend that you remove the heatsink, wipe off all of the pad and paste, and reinstall it with just the paste. .....But thats just me.
 
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