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Sanded down the IHS of a Q6600 to the silicone.

Ruslan

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I wanted to do this for a while and finally got the patience to do it. It took 6+ hours of sanding by hand and here is the result:




As you can see the chip somehow survived. I took a screen shot in the morning and I was in a rush. My temperature before this procedure was 75-80 with both the cooler and the IHS lapped. After it will not go above 56 at 3.2 Ghz and that is with an additional +.1 to the vcore on top of the minimal needed to run 3.2 stable. this is with 1.375 at full load and I need 1.275 for that speed to be stable. I want a Solid 3.6 GHZ out of this. The Q6600 I have has a vid of 1.2875 are reported by coretemp and the cooler I'm using is the Tuniq. By the way a lot of people seem to think that the core and the IHS are soldered and this is simply not true. They use some hind of very strong silver adhesive that is no fully solid. No matter how good of a cooling system someone has, if the IHS does not have good contact between the die and the bottom of the IHS the temps will not be the best they can be. I did this ot get the most out of my gear. I will post some tips later on this.:toast:
 

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omg this is awsome
 
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Wow....I'll sell you my Q6600....3.6ghz STABLE at 1.328v not lapped or anything on air. If you did that to my chip you could easily push it MUCH further. My chip is capable of 4ghz at 1.45v....You're chip doesn't seem very capable even with that amazing lapping job...no offense
 

Ruslan

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Wow....I'll sell you my Q6600....3.6ghz STABLE at 1.328v not lapped or anything on air. If you did that to my chip you could easily push it MUCH further. My chip is capable of 4ghz at 1.45v....You're chip doesn't seem very capable even with that amazing lapping job...no offense
I know this is not the best chip but hey it's what i got. My memory is pretty basic so I'm not even going to bother going above 3.6ghz. I booted this chip at 3.6 it was stable for 6 hours of prime at 1.4 and change but outside the case. when I placed it in the case it was getting very toasty.

P.S. it is very difficult to offend me bro :D
 

Ruslan

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I'm shocked, look at the temps!
 
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Ruslan, do you mean the temps are too high? That's what I take it as lol. And personally, I do believe they are...mine at 3.6ghz on air does max load 54C
 

Ruslan

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Ruslan, do you mean the temps are too high? That's what I take it as lol. And personally, I do believe they are...mine at 3.6ghz on air does max load 54C
Nice bro :)

But I'm comparing the last screen shot to the one before it, not my Cpu to your Cpu.

Note: I'm aware that this Cpu is below average.
 
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Ohhh, didn't notice they had different temps. Just looked, very nice temps man! Get a good water cooler on that sucker!

Note: I'm aware I have a golden Q6600 :p
 

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That is an excellent lap job, and good results to boot.
 

Ruslan

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A Run Trough of how to do it, if you have questions ask away.
I used 100 grit wet-dry and I was lapping without water because water killed the sand paper way to early. You have to completely shave off the top part of the IHS and this will take 6+ hours. If you rub too fast it will get very hot so when it starts to heat up pause and continue. after you the the whole top of proceed with caution. When i was doing it one part of the IHS was taller than the other so i almost panicked and gave up. you can pretty much see it in the first picture that it was not leveled. Keep going with a 400 grit until all the silver paste is gone and the cpu looks roughly like the second picture. then finish it off with 800 and stop. This is not a beauty pageant so there will be scratches on the silicone. they look deep but they are nothing to worry about. The goal is to have the dies leveled with the outer part of the partly decapitated IHS so whatever will be rolling your monster will not crush them into tiny bits. You have to carefully remove the cpu clamp from the motherboard. You cannot use a pushpin cooler. In my case since 2MM disappeared from the CPU my cooler was not holding it very tight so I used washers beetween the spring and the mounting plate to give it some extra hold. I picked it up by the cooler and it was fine, I also rotated the motherboard in the air by the cooler and it did not budge. I even picked it up by the cooler while the power is on to make sure there is good contact. There will very little clearance between the the cpu socket and the bottom of the cooler after this so make sure you do not shave off more than absolutely necessary. Make sure your cooler is completely flat at the base. Proceed with caution. I will follow this up with some pics later.
 

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Amazing job! I wish I had the patience for something like that! The temp change of 20c is amazing as well. Gratz!
 

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How to clean it: I used the arctic clean solution. Fill a small glass to a point where the cpu is submerged and dip the cpu and then use a toothbrush to make sure all that copper dust/paste is off of everything u can let the cpu soak in it but do not leave it there for more than 5 minutes. do not use a plastic or Styrofoam cup because the arctic clean will dissolve it and it will not be cool. After step 1 use the step 2 bottle and dunk it in, wait and wipe off. Use a hairdryer to completely dry and enjoy :)
 

Ruslan

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Amazing job! I wish I had the patience for something like that! The temp change of 20c is amazing as well. Gratz!
Its not the patience you should worry about, it's how your hand looks and feels after you are done. very big and painful blisters. And if I can sit all Saturday on the net, then I can do this right?
 

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Very nice results. Any trouble seating a heat sink after shaving away the IHS?
 

Ruslan

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Very nice results. Any trouble seating a heat sink after shaving away the IHS?

The only problem was that i had to add washers to make up for the 2mm loss of height.

BTW running prime at 3.7 GHZ 1.440V load 1.53875 in the bios.

no outstanding changes in the temps. scared too push too hard
 

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I didn't know it had two cores on it.. I knew it was just two dual cores but I thought they were like fused or something! Nice, love it!
 

Ruslan

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Washer:


Tight Fit:
 

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hmm your HS is touching the cpu latch are you sure their touching th cores well? i mean i bet youll get better temps if you reseat it again or get a smaller HS with a smaller HS base.
 

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Holy flying shooting-lasers-from-his-eyes superjesus. Great work! I've never seen anyone sand down to the core before. *thinks about belt-sander in metal shop...*

Although I always thought that if someone did this with LGA775 it wouldn't work due to contact problems.
 

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Holy flying shooting-lasers-from-his-eyes superjesus. Great work! I've never seen anyone sand down to the core before. *thinks about belt-sander in metal shop...*

Although I always thought that if someone did this with LGA775 it wouldn't work due to contact problems.

When the cooler is being attached, It is clear that there is no contact because the cooler slides around on the cores and what is left of the ihs. When the coolers screws on, that's space gets tighter from the pressure. If there was an even slight contact problem the temperature would not be this low.



I will run this test for 24hours to make sure nothing is wrong with the temps.
Looks like there is an option for all those less than perfect cpus.:toast:
 
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Wow dude... that is AWESOME!
 

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I hate to say this after 6 hours of sanding it down, but you could have just used a razor to cut the goop aroung the IHS and pop it off....half hour of your time tops!

Nice job on stopping at the right time tho. I personally would have been too worried to scratch the cores!
 
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I hate to say this after 6 hours of sanding it down, but you could have just used a razor to cut the goop aroung the IHS and pop it off....half hour of your time tops!

Nice job on stopping at the right time tho. I personally would have been too worried to scratch the cores!

Maximum PC tried that with a few of the latest CPUs from Intel and ended up ruining them all.
They did it the right way, and still the processors were destroyed.
 
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