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Should I remove the IHS from my Opty 170? - Page 4

Poll Results: Should I remove IHS from Opteron 170?

Poll expired: Jul 10, 2007  
  • 52% (22)
    Remove Opteron 170's IHS
  • 47% (20)
    Dont remove Opteron 170's IHS, Just LAP CPU
42 Total Votes  
post #31 of 48
Thread Starter 
So after a few days of letting everything burn in, I have discovered the following:
At 2600MHz My vcore is 1.4v and the idle temps are at 39/49°C. I even blue sceened once with my G.Skill PC3200 at 208MHz with 2.5-3-3-6 with 2.6v. I've since loaded RGONE's settings from DFI streets, the ram is currently 2.5-3-3-7 at 2.7v. I think I just got a below average CPU. I cant even run the CPU with 1.3v at 2400MHz.
Currently at 2500MHz with 1.375v.

So the question is, what will removing the IHS do for me if I'm already pushing 1.4v just at 2600MHz?
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post #32 of 48
check what the internal core temp diode reads out, and take around 8c off the internal core temperature, and aprox. 5c off the cpu temp thats what you could expect from it, no more: Heatsink>paste> 2mm metal plate>more paste>core lapping will never beat it........and possibly get a higher voltage/oc stable if the chip has the potential.....look @ mine

use this guide if you decide to remove it:http://www.overclock.net/water-cooli...ing-order.html
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post #33 of 48
Other option to removing IHS
Remove it and replace the goop with some AS5 and pop the IHS back on for HS support.
You'll likely need mid 1.4v rang for higher OCs.
    
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post #34 of 48
Quote:
Originally Posted by ericeod View Post
So after a few days of letting everything burn in, I have discovered the following:
At 2600MHz My vcore is 1.4v and the idle temps are at 39/49°C. I even blue sceened once with my G.Skill PC3200 at 208MHz with 2.5-3-3-6 with 2.6v. I've since loaded RGONE's settings from DFI streets, the ram is currently 2.5-3-3-7 at 2.7v. I think I just got a below average CPU. I cant even run the CPU with 1.3v at 2400MHz.
Currently at 2500MHz with 1.375v.

So the question is, what will removing the IHS do for me if I'm already pushing 1.4v just at 2600MHz?
Removing the IHS is all about improving the heat transfer from your CPU die to the base of your heatsink. It essentially removes the biggest barrier between these two surfaces.

You should see an improvement in temperatures. How much improvement? Anywhere from 4 degrees C to 15 degrees C has been reported by many sources. The degree of improvement is entirely dependent on how good the thermal transfer was between the die and the IHS was in the first place. (In other words, if the contact between the die and the IHS was good before, the improvement you'll see will be smaller compared to a case where the contact was bad.)

Good luck! Hope this helps.
    
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post #35 of 48
Quote:
Originally Posted by IcedEarth View Post
Lap, don't take the risk of chipping the core.

The temps are not that important. And if you lap properly it will only be a few degress over a naked CPU anyways.

Take care even with lapping.
    
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post #36 of 48
I removed the IHS on my X2 3800+.... it went from to 1.65GHz to 1.7GHz stable. Removing it gave me a nice 350MHz bump. (And it is for sale!!!!!!!)
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post #37 of 48
Thread Starter 
OK,
It looks like I will be removing it (edit) today. I plan on placing it into another board with the mounting bracket removed. Then, with a new razor blade, I will cut just far enough in to not damage the resistors. Then I plan on placing electrical tape over the exposed resistors to prevent shorting. I was also planning on building up some electrical tape around the edges of the CPU to help relieve the pressure from the core, I dont want to chip it! What would you recommend different?

edit: Removed the IHS today.
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post #38 of 48
I still prefer reinstalling the IHS after upgrading the thermal paste. But thats just me
    
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post #39 of 48
Quote:
Originally Posted by ericeod View Post
OK,
It looks like I will be removing it this Friday. I plan on placing it into another board with the mounting bracket removed. Then, with a new razor blade, I will cut just far enough in to not damage the resistors. Then I plan on placing electrical tape over the exposed resistors to prevent shorting. I was also planning on building up some electrical tape around the edges of the CPU to help relieve the pressure from the core, I dont want to chip it! What would you recommend different?
Covering up the resistors with electrical tape may not even be necessary. The naked die sits above them anyway, so the HSF (or waterblock) base will only touch the die. Still, there's no harm done doing things this way.

The die is not as fragile as some people suggest it is. My naked Opteron cooled a lot better with more pressure from my heatsink. My "2 cent mod" worked wonders for me, so maybe this will dispel that notion of the die's fragility.

Hope this helps!
    
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post #40 of 48
Thread Starter 
I just removed the IHS. Right now I am running Orthos at 2.7GHz. The FSB is 270, HT is x3, and the memory divider is 7/10. The idle temps are 44/34° with the vcore at 1.4v. At full load with Orthos, the temps max out at 47/54°C
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