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E6400 L626A Overheating?

post #1 of 10
Thread Starter 
Hello everyone. I have an E6400 L626A processor and it is running at the default 2.13 GHZ with default 1.31 voltage and all the default settings. I'm concerned about the temps that my processor is running at ever since updating my bios. I have a Gigabyte GA-945P-S3 revision 1.0 motherboard and I updated the bios to version F5. My computer used to idle at 30 degrees C. That is according to what Easy Tune 5 was reporting. After I updated my bios, the temp went up to 43 degrees C in Easy Tune 5. I contacted Gigabyte and they said it was probably the bios updated that made the sensor more accurate. Anyway, I downloaded TAT and decided to run that and see what I get. Here are my temps in TAT:

Idle:
CPU 0 - 52 degrees C
CPU 1 - 52 degrees C

100% Load:
CPU 0 - 70 degrees C
CPU 1 - 71 degrees C

This seems quite hot for an E6400. The room is fairly cool and my CPU fan is the stock intel fan running at 2800 RPM all the time. I make the fan run at 100% since I'm getting these high temps and the temps still don't decrease. The case also has 3 80mm fans and there is plenty of ventelation. Even when I remove the side cover of the case, the temp only drops by maybe 2 degrees C.

I thought when I upgraded my bios to the newest version it would show more accurate temps. I'm wondering if the new bios is giving me the wrong temps, or if my computer is really running that hot. Like I said, since I updated the bios, my temps have seemed to increase. If I revert back to the old bios, the temps go down. I'm not sure what I should do here. Do you guys think I should just use the old bios and trust what it's saying, or should I trust what the new bios is saying? If the new bios is showing the right temps, you guys have any idea why my CPU would be running so hot?

Thanks in advance for any replies.
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post #2 of 10
Hello,

I would say reseat the Heatsink with a dab of AS5, only a wee bit >0<..bout the size of that.
With a reasonable ambient temp..say 26°c the stock cooler should keep you below 60°c. Proper mounting and thermal paste application are the key.

Also fill out your System specs in your user CP.
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post #3 of 10
Thread Starter 
Quote:
Originally Posted by grunion View Post
Hello,

I would say reseat the Heatsink with a dab of AS5, only a wee bit >0<..bout the size of that.
With a reasonable ambient temp..say 26°c the stock cooler should keep you below 60°c. Proper mounting and thermal paste application are the key.

Also fill out your System specs in your user CP.
I guess I'm definitely going to have to try that. Perhaps that is my problem. Although, I didn't notice the overheating problem until I updated my bios, but that may be because the bios is reading the temps more accurately now. Thanks for the reply.

I'll also update my computer specs in my profile now. Thanks for the advice.
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post #4 of 10
At stock speed you could also lower the cpu voltage to like 1.2v or lower, that should shave some degrees off also.
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post #5 of 10
Thread Starter 
Quote:
Originally Posted by Acoma_Andy View Post
At stock speed you could also lower the cpu voltage to like 1.2v or lower, that should shave some degrees off also.
I'll try that and see if it helps for now. I'd like to be able to run everything at stock speeds/voltages or better but with this heat I don't see that as a possibility. I'm going to get some thermal grease and try re-mounting my cpu heatsink and fan also. Hopefully that helps. Thanks for the replies. I'll keep you guys posted on this once I try some things to resolve this issue.
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post #6 of 10
Thread Starter 
I just reduced my voltage to 1.1v and now both cores are staying just under 60 degrees C under 100% load in TAT. At the default 1.3v it was running 70 degrees C and higher under 100% load in TAT. Reducing the voltage definitely helped cool it off for now. Thanks for the tip. Now I have to figure out what the real problem is.
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post #7 of 10
Thread Starter 
I'm ordering some ARCTIC SILVER 5 THERMAL COMPOUND to remount my heatsink onto my CPU. Hopefully that will help bring down the temperatures some. The only reason I can think of that my CPU is running so hot is that the heatsink isn't mounted right or the thermal grease is cheap or not applied properly.
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post #8 of 10
That's a nice voltage you are using there

Yeah AS5 will take down the temps quite a bit, you should also check if each pin is really tightened to the mobo, look close and you will see.
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post #9 of 10
What case do you have.. ? And have you blown the dust out of the case recently? Dust accumulation can have a very real impact on chip temperatures.
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post #10 of 10
Thread Starter 
Quote:
Originally Posted by rottenotto View Post
What case do you have.. ? And have you blown the dust out of the case recently? Dust accumulation can have a very real impact on chip temperatures.

I'm not sure of the brand of case but it's a mid size tower and seems to have plenty of circulation and it seems fairly cool inside. I don't think that's a problem. Also, there is virtually no dust on my components. When I get the thermal grease I ordered I'm going to re-apply the heatsink and fan on the processor. When I do, I'll double check to make sure there is no dust on the heatsink, cpu, and fan.

Thanks for the reply.
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