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[Official Guide] Modifying/Removing NVidia GPU Heat Spreader/IHS - Page 4

post #31 of 257
hm... i wonder if i can do this to my 480s...

they are known for heat...

and with my AXP cooler.... tongue.gif
post #32 of 257
Yup, biggrin.gif

it works! done mine for ENGTX560Ti CuII TOP, from 99% max load @ 95C and 42C min and now I'm having 99% max load @78C and 36C with ambient of 27C. well not bad and quiet happy but I think i need a little more sanding with 400 git sand paper to lower by at least 3 degrees more as with my second card. will post some photos later.


thank for the awesome guide.

cheers
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post #33 of 257
Quote:
Originally Posted by SirWaWa;15539726 
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

Well i just did my 580 after reading this guide. Check it out here. last page bottom ish. It seems the temps are about the same for me but i didnt have any issues before doing it.....just wanted to try it out. Lapped it all and added artic something or other 5 and slapped a H70 on it to cool it all

http://www.overclock.net/nvidia-cooling/1086286-complete-build-log-zotac-560ti-corsair-2.html

Should be near the end of page 2
post #34 of 257
Thread Starter 
Quote:
Originally Posted by znarf;15576046 
Yup, biggrin.gif

it works! done mine for ENGTX560Ti CuII TOP, from 99% max load @ 95C and 42C min and now I'm having 99% max load @78C and 36C with ambient of 27C. well not bad and quiet happy but I think i need a little more sanding with 400 git sand paper to lower by at least 3 degrees more as with my second card. will post some photos later.


thank for the awesome guide.

cheers
Great news! Glad your having success. Keep sanding. I had a good 10C drop from stock with this mod so I somewhat expect people to have around a similar result. I bet you could get it down to 70C. The point when you know you've sanded enough is when you can start to see through the edges of the heat spreader when you put it on the chip, noticing that the edges are no longer touching the silicon base of the chip, that tells you its finally in direct contact with the chip.
Quote:
Originally Posted by cravinmild;15576640 
Well i just did my 580 after reading this guide. Check it out here. last page bottom ish. It seems the temps are about the same for me but i didnt have any issues before doing it.....just wanted to try it out. Lapped it all and added artic something or other 5 and slapped a H70 on it to cool it all
Because you didn't really do anything. I didn't emphasize enough the fact that its about sanding down the edges of the heat spreader. Basically all you did was change the TIM, which in reality, after cracking that seal, your going to probably get worse temps. Gotta sand the IHS. I'll maybe make a MS paint diagram of what the problem is and what needs sanded, if people need a more visual representation.

Glad to hear people are having good luck with this mod guide that I posted.
It's all about sanding those edges of the heat spreader, and trying to remove as much of the black glue/epoxy on the silicon. The edges of that heat spreader actually prevent the heat spreader from making a solid contact with the chip, hence the entire need to sand it down. When you make a perfect contact with the chip and heat spreader that is where your temperature difference is!

Hopefully we could get some OCCT results posted and i'll make a list of the people that've done this mod. Before and after OCCT 10 (600sec) test.
Edited by Cakewalk_S - 11/5/11 at 7:43am
post #35 of 257
Well after letting it cure overnight i turned on the pc and saw an all time low of 20c on my gpu temp WOOT

This is a 7c difference
post #36 of 257
I purchased 3 tubes of MX-2 when it was on sale on newegg the other day, in preparation for this ninja.gif
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post #37 of 257
Quote:
Originally Posted by znarf;15576046 
Yup, biggrin.gif

it works! done mine for ENGTX560Ti CuII TOP, from 99% max load @ 95C and 42C min and now I'm having 99% max load @78C and 36C with ambient of 27C. well not bad and quiet happy but I think i need a little more sanding with 400 git sand paper to lower by at least 3 degrees more as with my second card. will post some photos later.


thank for the awesome guide.

cheers

Well as promise attached are my OCCT test with MSI AB, GPU temps on the first card (slot 1) dropped at around 10 degrees after modding but as you can see, it's quite erratic on idle and I guess need more lapping but overall i'm a happy that max is hovering around 70 to 75 degrees. biggrin.gif again, cheers to cakewalk for his awesome guide.smil3dbd4e4c2e742.gif
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post #38 of 257
Will it void warranty ?

I think that when RMAing they won't remark this... hehe.
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post #39 of 257
Thread Starter 
Those graphs look wrong... Why would your temps go from 72C down to the 40's during the test....
I was also unaware of the new OCCT. So I just got that this morning and I'm running that same test, error check off. For some weird reason Nvidia forces Vsync on when I try to run the test full screen, so I have to run it windowed...weird...
Well scratch that. For some reason OCCT isn't generating me graphs...well it is, but only at certain times....guess they've got some bugs to fix on the new OCCT...


Thanks guys! I'll start that table of users that've done this mod and their result.


Znarf, You did this on both your 560ti's in SLI config? What was your before/after temp?

Ah, figured it out...
Here's my chart from my test. I'm upto 1.075V now @ 970MHz core, maybe try for 1GHz?
6318943633_472c704383_b.jpg
Edited by Cakewalk_S - 11/6/11 at 10:59am
post #40 of 257
i cant for the life of me seperate the IHS from the gpu. ive watched youtube videos and everyone takes like a minute and a half of easily slicing through. my razorbades cant even find a spot to go in, and when they do feels very solid and wont cut through anything. im so confused. i probably ruined the processor (cutting away the silicone to force a razorblade in and twisting forcefully). you make it sound like it pops right off!
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