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Help with Q6600 temps! :(

post #1 of 14
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Well I recently did a reseat of my AC Freezer 7 Pro. Before this I was getting up to 60c idle, and 75c load @ 3.2ghz

Upon taking out the heatsink, I noticed huge air pockets, meaning I didn't apply it well (did the line method). Well I swapped out my AS5 with MX-2, cleaned out both surfaces, and applied paste using the bb-size drop method. My temps did drop to about 35c-40c idle, 65c max on load, and allowed me to hit 3.4ghz stable.

My problem now is, after a few days of usage, my idle temps suddenly shot up to 45-51c again, with load temps hitting 70c.

I'm not sure what I did wrong. But I did almost botch the reinstallation of my HSF, thanks to the crappy push-pins not going in. I'm seriously considering lapping my CPU and HSF, as I hear most Intel's IHS's are concave to start with. But I'm very worried about killing my CPU in the process.

My 4870x2 could really use the extra boost, and I really want to hit 3.5ghz at least...

1. What's the best method of applying MX-2?
2. To lap or not to lap?

Any other tips, I'd definitely appreciate. Thanks in advance!
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post #2 of 14
I would lap for sure! if you have a high spot in the middle of your CPU or heatsink base, you could be sqeezing all the TIM out to the edges of the CPU. I would take it off and see if you have that pocket in the middle again. If you do im sure you are sqeezing the paste to the edges because of uneven surfaces.
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post #3 of 14
Thread Starter 
Thanks! I already have my sandpaper of varying grits ready. I'm just worried about either to wet or dry sand it. Dry sanding and I risk killing it with ESD. Wet sanding and I risk shorting it out. @_@

What a choice, haha!
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post #4 of 14
I started with 320 on the CPU till it was level, the tunr the chip 90 degrees and go to 400, then finished with 600. Dont worry about getting a polished surface it really doesnt help.

Are you going to do the heatsink too i hope ;-)
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post #5 of 14
Oh yeah i did wet sanding on the 400 and 600, but not the 320. Just cover the bottm of the chip with some plastic wrap if ya are worried about it.
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post #6 of 14
Hmm, those are pretty high temps even for non-lapped CPU's/coolers. I'd definitely lap the cooler. I'd do that first and see how your temps are. If they are still higher than desired then you can try lapping the CPU. If you've never lapped anything before starting on the cooler is a better idea is they are cheaper to replace. Damaging your CPU shouldn't be a huge risk once you know what you are doing and you aren't overzealous in your lapping.

Also you can try putting a dabble of TIM on your CPU and spreading it evenly yourself with a credit card or something. Hell, I even use my finger. I put just enough on there that I can cover the top with the TIM stretched very thinly all the way across. I've tried all the different methods and haven't seen any real noticable difference between them. That is, if you are using the proper amount.

What are your ambient temps? That will play a big part in your idle temps. If your ambient temps are higher than what most are then your idle will be higher as well.

Quote:
Originally Posted by ArcticZero View Post
Thanks! I already have my sandpaper of varying grits ready. I'm just worried about either to wet or dry sand it. Dry sanding and I risk killing it with ESD. Wet sanding and I risk shorting it out. @_@

What a choice, haha!
Regardless of what you lap you need to wet sand. All you need a few drops you won't be at any real risk of getting your CPU wet. Just enough to get all the old scraps away and help it move smoothly.
Edited by Ricdeau - 12/16/08 at 7:28am
post #7 of 14
Thread Starter 
Oh yes, I'm planning on doing the heatsink as well. Not sure how to get the push pins out though, as they droop below the contact surface.

Anyways, I'd appreciate any tips, do-s and don't-s before I actually begin torturing my processor with sandpaper.
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post #8 of 14
id lap the heatsink first to see if that helps, i lapped my E6550 dry and it did well
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post #9 of 14
I know its not on this forum, but this is the guide i followed when i did the CPU. It was very helpful...

http://forum.****************/showthread.php?t=4735
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post #10 of 14
Thread Starter 
Quote:
Originally Posted by Ricdeau View Post
Hmm, those are pretty high temps even for non-lapped CPU's/coolers. I'd definitely lap the cooler. I'd do that first and see how your temps are. If they are still higher than desired then you can try lapping the CPU. If you've never lapped anything before starting on the cooler is a better idea is they are cheaper to replace. Damaging your CPU shouldn't be a huge risk once you know what you are doing and you aren't overzealous in your lapping.

Also you can try putting a dabble of TIM on your CPU and spreading it evenly yourself with a credit card or something. Hell, I even use my finger. I put just enough on there that I can cover the top with the TIM stretched very thinly all the way across. I've tried all the different methods and haven't seen any real noticable difference between them. That is, if you are using the proper amount.

What are your ambient temps? That will play a big part in your idle temps. If your ambient temps are higher than what most are then your idle will be higher as well.
Well I do live in the Philippines, so the climate is pretty tropical. I'll try re-applying TIM first to see what happens... And yes, I was planning on doing the cooler first. I was gonna purchase a TRUE 120 soon anyway, and that could be the perfect excuse to go out and get one.

As for the amount of TIM, I tried the "rice grain" bit, but that gave me several air pockets. Then I tried applying more just to be sure, and now I'm still getting 50c idle. Seems way too high for my overclock though.
Cheezburgerz
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Cheezburgerz
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