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[Official] Delidded Club / Guide - Page 1076

post #10751 of 33389
I'm really sad that the temps haven't dropped - especially knowing that you apply attention to detail and willing to do tests - especially to the point that you do them extremely cleanly and well.
post #10752 of 33389
Quote:
Originally Posted by Totally Dubbed View Post

I'm really sad that the temps haven't dropped - especially knowing that you apply attention to detail and willing to do tests - especially to the point that you do them extremely cleanly and well.
Thanks. I keep reminding myself that this rig would have cost $2500 from a builder and I spent less than $1500, so even if I buy a couple more processors, and delid them to find one good one I am still ahead. Don't worry about yours, just go slow and you will be fine. Besides the fact that my temps were not as bad as some to begin with, so it is not surprising none of my results have been stellar. I was 1.29v and 82c max before delidding, some guys have pretty bad temps to begin and see bigger drops.

I just checked the block of my H100i and I think MikeG is right. A slightly convex cooler does not sit well on my now perfectly flat IHS.
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post #10753 of 33389
Well I'm worried that my de-lid might go pear shaped, but that's a risk I have set myself.
As for temp drops - it is really dependant (almost like knowing what OC is stable for each chip) - no one can say safely that you'll definitely see a 20c drop, but most have - thus no one can say you'll definitely reach 4.5ghz with under 1.3v but most have. So, as much as I am hopeful to get a 20c difference, I can't really guess what my temps will be.
Your temps however just demonstrate to me, that it isn't always as one would think with de-lidding.

My comment was really based upon the effort and the willingness to try, that hasn't indeed granted you with a significant difference. What I mean is - your chip owes you an apology and a pat on the back.
post #10754 of 33389
old man, try lapping the lips on the bottom of the IHS so it sits tighter on the die, this might help.
post #10755 of 33389
Thread Starter 
Quote:
Originally Posted by justanoldman View Post

Each pic was taken after quite a bit of lapping, and shows how long it took to finally reach to the center.







Quote:
Originally Posted by stickg1 View Post

old man, try lapping the lips on the bottom of the IHS so it sits tighter on the die, this might help.

Yup! thats what I did. Also very well done Oldy! very clean and nicely done..... better than mine even....
post #10756 of 33389
Quote:
Originally Posted by stickg1 View Post

old man, try lapping the lips on the bottom of the IHS so it sits tighter on the die, this might help.
Already lapped the bottom of the IHS, and tried my best to flatten out the underside where the die touches.

Only thing left is lap the h100i but I can't find any info on it. Can I remove the cold plate?
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post #10757 of 33389
Quote:
Originally Posted by justanoldman View Post

Already lapped the bottom of the IHS, and tried my best to flatten out the underside where the die touches.

Only thing left is lap the h100i but I can't find any info on it. Can I remove the cold plate?

Naw like the lips around the perimeter of the IHS, the ones that had the glue on them when you delidded. Maybe if you shave those down it will make tighter contact with the die.
post #10758 of 33389
Quote:
Originally Posted by stickg1 View Post

Naw like the lips around the perimeter of the IHS, the ones that had the glue on them when you delidded. Maybe if you shave those down it will make tighter contact with the die.
Aren't we talking about the same thing? The pic below shows I lapped the bottom of the IHS. Although it sits high enough when I place it on the die I am not even sure how much the edges touch the pcb, but I have no idea how much pressure is applied from the cooler.
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post #10759 of 33389
Quote:
Originally Posted by justanoldman View Post

Aren't we talking about the same thing? The pic below shows I lapped the bottom of the IHS. Although it sits high enough when I place it on the die I am not even sure how much the edges touch the pcb, but I have no idea how much pressure is applied from the cooler.

Oh okay, dang man IDK. Weird situation. Well not all chips are as bad temp wise when stock and undelidded. Sometimes they come making good contact from the factory and the temp drops from delidding aren't as extreme.
post #10760 of 33389
justanoldman, no need to lap the bottom perimeter of the IHS. It should sit freely above the PCB without lapping. My biggest problem after putting a mirror finish on my IHS, was using too much TIM between the top of the IHS and bottom of the waterblock. With such a smooth finish it only takes 1/2 of a rice grain or less of TIM. I was just using AS5 this past week with good results. You just need a very tiny amount though.
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