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High load temp

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Anonymous
a b K Overclocking
March 9, 2010 6:00:21 PM

Hi,

I've just got a problem, I bought a overclocked bundle from OverclockersUK, it's an i7 920 running at 4Ghz. Normal temps are fine they usually don't go above 40, but I've just tried intel burn test, the test passed but temps hit up to 90. Also tried prime95, after a few seconds temps also went up to 90+. What could be wrong?

Case has 9 fans, its a Antec 1200, arctic 5 silver thermal paste is applied and the cpu heat sink is a Titan Fenrir.

Below is the picture of core temp showing the lowest and highest temps.

Any advice would be greatly appreciated, thank you for your time and help.



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Anonymous
a b K Overclocking
March 9, 2010 6:04:55 PM

Sorry also forgot to mention, nothing happens when the temperatures get that high, the computer doesn't freeze or shut down or anything. Also there's good airflow inside of the case and no cables in the way, the air blowing out from the back of the computer is cold. When temps got that high the air felt just slightly warm.
March 9, 2010 6:51:30 PM

90C is a bit high temp in my mind i would try to keep it below 80C. Try readjusting your heat sink and appliying fresh thermal paste. What you can also do is bump down your vcore a bit or you can lower your bclk so its runing @3.8Ghz. Then test it with intel burn test or prime95. I have a C0 and using same voltages iam sure your D0 doesnt require that much of a vcore but every cpu is different.
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a b K Overclocking
March 10, 2010 9:03:24 PM

96c is way to hot. Open coretemp and minimize it, then just run your normal programs, games, whatever you normally do with your computer. Bring coretemp back up and see how high the temps have gotten under normal use. If it stays under 75c, enjoy and don't worry about it.

I'm guessing since you bought it already OCed your not experienced in OCing that's why I suggested this. If your computer DOES get over 75c under normal use then that's another story and you will need to deal with it.
a b å Intel
a c 151 K Overclocking
March 10, 2010 11:38:48 PM

That's an extreme temperature. At 4.4 Ghz, my son's 920 is in the 70's.

1. Try and turn down your core voltage a bit....my guess is it's set close to 1.4 volts and see how far you can turn it down, while still remaining stable.....turning off HT will help a lot.

2. Here's some info on AS5

http://benchmarkreviews.com/index.php?option=com_conten...

"Here is the Arctic Silver 5 recommended cure time instruction from the manufacturers web site:

Due to the unique shape and sizes of the particles in Arctic Silver 5's conductive matrix, it will take a up to 200 hours and several thermal cycles to achieve maximum particle to particle thermal conduction and for the heatsink to CPU interface to reach maximum conductivity. (This period will be longer in a system without a fan on the heatsink or with a low speed fan on the heatsink.) On systems measuring actual internal core temperatures via the CPU's internal diode, the measured temperature will often drop 2C to 5C over this "break-in" period. This break-in will occur during the normal use of the computer as long as the computer is turned off from time to time and the interface is allowed to cool to room temperature. Once the break-in is complete, the computer can be left on if desired.

So by my estimation of this statement it would take almost a year of normal use to properly cure the AC5 compound, or almost nine days of continuous power cycles to meet their recommendation."

3. I am not familiar with your HS....perhaps it's not seated correctly or got knocked loose in shipping. If you can't get to low 70's, I'd have it replaced.

Top HS's
http://www.silentpcreview.com/Recommended_Heatsinks
http://www.frostytech.com/top5heatsinks.cfm#INTELHEATSI...
http://benchmarkreviews.com/index.php?option=com_conten...

pick a TIM from the top few here:
http://www.hwreviewlabs.com/index.php?option=com_conten...
http://www.xbitlabs.com/articles/coolers/display/therma...
http://benchmarkreviews.com/index.php?option=com_conten...
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