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[Official] Delidded Club / Guide - Page 360

post #3591 of 33823
Quote:
Originally Posted by BaK2BaK View Post

Hi guys
Dunno if you already answered that in the last 50 pages, d4mn hard to keep up with that thread! tongue.gif
You say the IHS could be concave sometimes, which could explain a core being hotter than the others, and needs to be lapped. I guess the purpose of lapping is to have the whole surface of the die touching the IHS, right?
Then why do you lap the upper side of the IHS? From what I see this will improve the IHS / heatsink contact, but won't do anything for the die / IHS interface...wha-smiley.png
What do you guys use to lap? Hand + sand paper?
Would that work for the under side of the IHS too?
How do you do to have a 100% flat and horizontal surface? Any pics or videos?
After delidding, would it be good to glue back the IHS to the PCB (one or two small points of glue), to avoid the IHS moving on to the lil black square that will lift it a bit?

here your answer about lapping. biggrin.gif
Quote:
Originally Posted by VonDutch View Post

made this post about lapping the ihs a while ago,
might be helpful smile.gif
http://www.overclock.net/t/1313179/official-delidded-ivy-bridge-club/1320#post_18421749
post #3592 of 33823
Quote:
Originally Posted by BaK2BaK View Post

Hi guys
Dunno if you already answered that in the last 50 pages, d4mn hard to keep up with that thread! tongue.gif
You say the IHS could be concave sometimes, which could explain a core being hotter than the others, and needs to be lapped. I guess the purpose of lapping is to have the whole surface of the die touching the IHS, right?
Then why do you lap the upper side of the IHS? From what I see this will improve the IHS / heatsink contact, but won't do anything for the die / IHS interface...wha-smiley.png
What do you guys use to lap? Hand + sand paper?
Would that work for the under side of the IHS too?
How do you do to have a 100% flat and horizontal surface? Any pics or videos?
After delidding, would it be good to glue back the IHS to the PCB (one or two small points of glue), to avoid the IHS moving on to the lil black square that will lift it a bit?

I think most people recommend a very flat surface like a piece of Glass. You'll use the processors own weight whilst lapping, all you use your hand for is to guide it up and down on the sand paper applying as little downward force as possible, I lapped a Q9550 once, didn't turn out half bad, took me about 4 hours or so though lol
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post #3593 of 33823
Valgaur,

YGPM. I don't want to say, "I told you so!"

BUT, I told you so!!!!!!!! hahahaha
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post #3594 of 33823
Quote:
Originally Posted by BaK2BaK View Post

You say the IHS could be concave sometimes, which could explain a core being hotter than the others, and needs to be lapped.
After delidding, would it be good to glue back the IHS to the PCB (one or two small points of glue), to avoid the IHS moving on to the lil black square that will lift it a bit?

Helpful tips about putting your Delided CPU back in the socket! (page 1)
you could glue it too, but its not necessary wink.gif

about the 1 core being hotter then the others,
1 core is next to the igpu, hokies said a while ago

but when i thought about it, most of us have it disabled,
so i figured it could also be the core next to the imc, which is used always,
so heats up a bit too, and ..1 core is always doing the lighter loads, even at idle,
windows is always "busy" in the background..
Edited by VonDutch - 11/23/12 at 11:20am
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post #3595 of 33823
oh my... frown.gif I put an H100i on it and my temps are only 1C better at idle and 5C higher at load frown.gif

I did somethign wrong for sure... I really want to try it without the liquid pro and see if it helps or go direct die... or screw the mounting brackets and use screws.... I know this isn't right because my H100 is doing really well on my i7-3770k that was delidded... It is very very likely that there is insufficient pressure//contact to the IHS... sighs I think I'll go direct die in a few weeks...
Edited by JQuantum - 11/23/12 at 1:00pm
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post #3596 of 33823
Quote:
Originally Posted by JQuantum View Post

oh my... frown.gif I put an H100i on it and my temps are only 1C better at idle and 5C higher at load frown.gif
I did somethign wrong for sure... I really want to try it without the liquid pro and see if it helps or go direct die... or screw the mounting brackets and use screws.... I know this isn't right because my H100 is doing really well on my i7-3770k that was delidded...

Remount and be careful with the paste application on the ihs.
post #3597 of 33823
Quote:
Originally Posted by ivanlabrie View Post

Remount and be careful with the paste application on the ihs.

I dont' think remount will help at this point. I need a new mount is probably better. Comparing my stock cooler's contact area. For the amount of paste I used, it normally should've spread more IMO. It also gets more dense on teh outside verses the inside meaning it didn't spread because it's not making contact.... I think either supporting the IHS would help on this particular one to even the pressure out... or direct die would help since then teh entire cooling pad would work as the heat spreader no?
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post #3598 of 33823
It's odd really...Direct die will help only if your mounting mechanism allows you to keep the cpu doing proper contact with the pins.
I'd skip that unless you're too confident and wanna tinker wih that.
Are you using the same fans as before?
post #3599 of 33823

OCN name: SLIFLEX
CPU: 3770K
On-die TIM: Coollaboratory Liquid ultra

IHS TIM:  Coollaboratory Liquid ultra
Mhz gained: +100MHz (for now)
OC after delid: got 5338mhz validaded
Temp drops: -20 celsius average

 

 http://valid.canardpc.com/2586175

 

 

1000

my temps delided hottest core 78 C  before 98 C

 

before i could runintelBurn test 45x100  with high 90s 

now its high 70s...... /me happy thumbsupsmiley.png  add me pls??

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post #3600 of 33823
Ok, got everything set up and ready.
Plan for tonight: delidding, applying placeholder NT-H1 until my CL Liquid Pro comes in.
Plan when LP comes in: lapping down my IHS, applying liquid pro on the die and on the IHS...

Wish me luck guys!
As an aside, these are my temperatures now, 10 runs of IBT;
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