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Reseated heatsink with IC Diamond...and my temps went up - Page 6

post #51 of 57
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Update: Just removed my second card from crossfire and now my load temps are 30c better.

post #52 of 57
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Another update:

Just moved my entire rig to an open case environment and loads on GPU1 were reduced 25c and loads on GPU2 were reduced 15c.
post #53 of 57
Hmmm... My IC Diamond 7 finally came in the mail today.

I went from the stock Kuhler 620 paste (Shin Etsu) to Arctic Silver 5 and saw a 5-6c increase in idle and load temps. Switching from Arctic Silver 5 to IC Diamond 7, I saw my temps drop back down to Shin Etsu levels, give or take 1c.

I waited 10 minutes before seating the heatsink to let the solvents in the stuff evaporate, and I used about the size of a pea on the center of my CPU.

For reference, it was probably a tiny bit more than this much: (__). Using anything less would lead to insufficient coverage since the stuff was so thick. Oh, I also left the stuff on top of my laptop battery for about 30 minutes to warm it up and make it easy to push out.

Since the size of a GPU is smaller, you'd probably only use half of the size I used.
Edited by jivenjune - 6/5/11 at 10:46pm
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post #54 of 57
As I am reading through this thread I'm wondering if anyone is going to ask the right question,"why are his temps so high?"I doubt the TIM has anything to do with it.Bad airflow would be my guess.
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post #55 of 57
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Quote:
Originally Posted by Redwoodz View Post
As I am reading through this thread I'm wondering if anyone is going to ask the right question,"why are his temps so high?"I doubt the TIM has anything to do with it.Bad airflow would be my guess.
Hi

Quote:
Originally Posted by kiwiasian View Post
Update: Just removed my second card from crossfire and now my load temps are 30c better.

Quote:
Originally Posted by kiwiasian View Post
Another update:

Just moved my entire rig to an open case environment and loads on GPU1 were reduced 25c and loads on GPU2 were reduced 15c.


Quote:
Originally Posted by jivenjune View Post
Hmmm... My IC Diamond 7 finally came in the mail today.

I went from the stock Kuhler 620 paste (Shin Etsu) to Arctic Silver 5 and saw a 5-6c increase in idle and load temps. Switching from Arctic Silver 5 to IC Diamond 7, I saw my temps drop back down to Shin Etsu levels, give or take 1c.

I waited 10 minutes before seating the heatsink to let the solvents in the stuff evaporate, and I used about the size of a pea on the center of my CPU.

For reference, it was probably a tiny bit more than this much: (__). Using anything less would lead to insufficient coverage since the stuff was so thick. Oh, I also left the stuff on top of my laptop battery for about 30 minutes to warm it up and make it easy to push out.

Since the size of a GPU is smaller, you'd probably only use half of the size I used.
You didn't use enough.
Have you even looked at IC's website?
post #56 of 57
Thread Starter 
Update:

Well I guess I've finally sorted all this out.
I have transpoted everything to an open test bench because I'm upgrading my case.
Along with that I've purchased a third 5850 for triple crossfire. This helped rule out the possibility that the coolers on both my other 5850s were defective, because its temps are roughly the same as my top GPU.

In an open test bench environment, all temps were easily 20-30c lower than inside a case at the same fan speed. After doing some temperature monitoring at each part of my card I have come to the conclusion that the non-reference cooler design on my card exhausts the most heat out of the rear as opposed to the front ventilation holes (or even the huge side vent). Both fans in my case were counteracting the natural airflow of the card, thus blowing hot air back in to the card but yet at the same time washing it over with cool air. I suspect that this is most likely the problem.

Anyways, here are my new temps.
GPU1 is my new Asus direct heatpipe contact cooler (in the middle).
GPU2 is my XFX with a really tiny heatsink (at the bottom).
GPU3 is my primary card with a reasonably beefy heatsink (on the top).
Clocks: 950/1000 (1.175v)--all cards
post #57 of 57
Quote:
Originally Posted by jivenjune View Post
I picked this off a random website, but I know I read it somewhere more legitimate also:

"Application IC Diamond contains a solvent which enhances application to the CPU. For optimum results, after applying a thin coat of IC Diamond on the CPU, DO NOT install the heatsink for 10 minutes to allow solvent to evaporate.

Curing Time IC Diamond requires minimal time to attain peak performance; in most cases, IC Diamond will reach peak performance after two hours of use.

Stability IC Diamond is designed for stability – it will not bleed or separate in normal use."

Edit: Found it. It was on the Performance-PC website that I ordered it from. Here's the link: http://www.performance-pcs.com/catal...ducts_id=26060

"IC Diamond contains a solvent which enhances application to the CPU. For optimum results, after applying a thin coat of IC Diamond on the CPU, DO NOT install the heatsink for 10 minutes to allow solvent to evaporate."
That is interesting, I had no problem putting my heatsink on right away, both GPU and CPU. Temps stay nice and cool at all times. I used an X method, more of a * on the GPU (actually ran out after getting 3 complete lines), didn't bleed over and my GPU actually runs as cool as my CPU unless I am benchmarking.
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