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Topless 3000+ & TEC

post #1 of 14
Thread Starter 
I was bored tonight and decided to strip the IHS off my Winchester to see if my load temps would go down any. They did, but not quite worth the work involved, at least with my current setup.

I'm running a MSI Neo4-F and a 3000+ Winchester @ 2.6 Ghz and 1.7v

Before IHS removal:
Idle: -22°C
Load: -4°C

After IHS removal:
Idle: -22°C
Load: -6°C to -8°C

It helped a bit, but not enough to fight the bent pins and stress of making sure to keep from breaking my CPU. I theorize that it didn't help my temps much not because of the surface of the CPU or transfer of heat from the CPU to my TEC, but rather the transfer of heat from the cold plate through my peltier. It didn't hurt anything, however, and it'll probably run cooler "on air" now than it would've before. I'd say it was a good use of about an hour. I would've been bored anyway.
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post #2 of 14
cool...literally... ive thought of removing the IHS before, but im not sure if it will be worth the risk so i just opted to lapp it which i did....
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post #3 of 14
Thread Starter 
When looking closer at the inside of the IHS, it looks like there's just a thermal pad between the core of the CPU and the IHS. So theoretically removing the IHS should help temps quite a bit, depending on the quality of their thermal paste. Apparantely, it's pretty good. At least as good as Arctic Ceramiq. I just need to get my hands on some CoolLaboratory Liquid Metal and sandwich it between my CPU and coldplate, and in my TEC.
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post #4 of 14
I would say that the time it takes for your processor to drop to idle temperatures from load is quicker though.

That is the main benefit that I have found from IHS removal and it is significant.

R
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post #5 of 14
Thread Starter 
Yeah, now that I look at it, that's true, too. And it takes a little longer for it to warm up.
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post #6 of 14
dont you mean vice versa? because theres no way that the proc would be cooler at a load
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post #7 of 14
NO He's talking about after hes been at full load it cools down faster...
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post #8 of 14
Thread Starter 
And it is a couple of degrees cooler at load than it was before. It was loading at -4°C and now it's at -8°C.
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post #9 of 14
The basic tenants of thermodynamics requires an energy loss at each seam, regardless if the materials are the same or not. That said, logically you will be able to cool slightly better without the plate than with...as you have clearly seen. Likewise, when load drops the plate would now act as a heat retainer and would slow the cooling process as Ropey has pointed out.

Personally, if I was already at -4C I don't think I would risk messing with my CPU just to "see" what would happen (unless you were looking for a convenient excuse to have to get a new one ). I am guessing there was no change in your OC, right?
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post #10 of 14
OK ... your not done. After takeing the IHS off.... The heat sink will sit up ever so slightly on the shoulder of the socket. Leaveing a tiny gap between the HS and the die.
This is remidied by grinding or sanding a 64th off the part of the HS that rests on the lip/shoulder of the socket.
then just use a very..very.. very... smal amount of AS-5.

When I did this I saw a 10 degree drop on load.
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