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[Official Guide] Modifying/Removing NVidia GPU Heat Spreader/IHS - Page 3

post #21 of 257
Thread Starter 
Get some MX-2 guys! Check out my comparison charts! Just finished up all my mods. The GPU and card is all set now. Mods done! Hope you guys liked it! I'll keep posting any new information that I get.
post #22 of 257
definitely need to get some mx-2 and attempt this.
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post #23 of 257
Id like to see what someone who alrighty has good temps gets after doing this mod. My temps right now are still better than the op after his mod. Still fantastic for one who has a temp issue that cant seem to be resolved. Ive linked this alrighty and will continue to do so, great stuff.
post #24 of 257
Damn, you've got balls of steel OP.

When you removed the IHS was there any TIM between it and the core?

As for lapping the IHS, I don't think there's any point since the stock IHS is completely even and flat (at least on all the 460/560s I've see anyway). Pretty much no point unless you go right down to the copper.
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post #25 of 257
Thread Starter 
Quote:
Originally Posted by qiqi1021;15537764 
Damn, you've got balls of steel OP.

When you removed the IHS was there any TIM between it and the core?

As for lapping the IHS, I don't think there's any point since the stock IHS is completely even and flat (at least on all the 460/560s I've see anyway). Pretty much no point unless you go right down to the copper.


Yes, there was thermal paste. Sadly I didn't get a pic... It was like stock paste, all dried and cracking.

The IHS is smooth but it can be smoother. A matte finish has tiny bubbles in the surface. Sanding it down achieves that mirror finish and eliminates those bubbles. The surface that makes contact from the IHS to the actual chip needs it bad! That coated surface is very rough, probably equatable to 1000grit sandpaper...


I posted my OCCT 100% results before and after. 60C max temp @ 100% GPU usage is pretty darn good... I could have never gotten close to that in original stock config. Usually around 72-75C stock...
post #26 of 257
Glad there's TIM there, otherwise I'd be ripping mine off too!
Quote:
Originally Posted by Cakewalk_S;15514456 
If you also want to. You can lap the top of the Nvidia IHS too. Basically use the 1500 grit paper only and very lightly sand it till you get a great mirror like finish. Then hit it with super fine steel wool till your happy.
6295735278_3feeff2e96_b.jpg

That inner surface of the IHS looks pretty bad so yes, good idea to lap that. I meant the outer surface is fine, as you said about similar to 1000 grit which is good enough. Not much to be gained any further unless you remove the coating completely and get to the copper.
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post #27 of 257
good results
why don't they do this from the factory
interested to see this on a 580 than a 560...
this is better than any re-TIMing would yield
Edited by SirWaWa - 11/1/11 at 11:15pm
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post #28 of 257
Thread Starter 
Doing more tests today. Looks like anywhere from 57-62C for the max temp on the GPU....62C...That's nuts! Does watercooling present such good results?

Freaking incredible! I even impressed myself with this mod....no more worries about heat...pretty much ever....
Edited by Cakewalk_S - 11/7/11 at 11:02am
post #29 of 257
I can confirm what Cakewalk S said about the heatspreader. Top surface that mates with the heatsink is fine. The underside of the heatspreader that mates with the actual GPU chip is much rougher.

I'm the 'Great Persuader' btw, ie. the guy that had the accident with his GTX580 heatspreader, re-timmed underneath, solved his 100ºc problem and then whispered in Cakewalks ear, "Do It, Do It....Just Do It!!" biggrin.gif

So in other words I have a GTX580 and might be able to answer SirWaWa's question. What do you want to know or want me to do dude? INstall OCCT? What tests do you want me to run?
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post #30 of 257
Thread Starter 
Went from 910MHz core @ 1.025V to 950MHz @ 1.050V with no OCCT errors whatsoever.

I was never able to get past 910MHz and now I'm stable @ 950MHz because I top out @ 62C on the core...AMAZING! So gained 40MHz with this mod and reduced temps by a good 10C.

That's a 4% clock increase with a 17% decrease in temperatures.
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