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[Official] Delidded Club / Guide - Page 632

post #6311 of 33787
Yeah, no good...

Well, I just crapped in my pants after playing Metro 2033 without any lights and with a headset. So I'm going to bed now lol sad-smiley-002.gif
post #6312 of 33787
The main reason I ask is not because I would want to change it but if you ever had to remove the chip from the board the IHS is 'loose' on the PCB, Didn't know if you took the chip out if you would have problems resulting. Thanks for the responses all, sorry to beat a dead horse with that, just the posts I was reading didn't talk about it headscratch.gif
post #6313 of 33787
Hi can you please add me biggrin.gif

OCN name: conaman551
CPU: 3570K
on die-TIM: Liquid Pro
ihs-TIM: Liquid Pro
Mhz gained: 400mhz
OC after delid: 4900Mhz
Temp drops: >25c
CPU-Z validation of max OC: http://valid.canardpc.com/2630805

Before De-lid:



After De-lid:


Edited by conaman551 - 12/28/12 at 12:25am
post #6314 of 33787
Quote:
Originally Posted by blkdoutgsxr View Post

The main reason I ask is not because I would want to change it but if you ever had to remove the chip from the board the IHS is 'loose' on the PCB, Didn't know if you took the chip out if you would have problems resulting. Thanks for the responses all, sorry to beat a dead horse with that, just the posts I was reading didn't talk about it headscratch.gif

if clp/ultra hardens a bit over time, it will kinda "glue" the ihs to the die,
so if youre carefull it should be no problem removing, and leave the ihs in place,
but i havent tried it myselfs yet so smile.gif

Yw,
to many posts, hard to read through it all fast..lol
think we need to update first page again, with some new info,
makes it easier to find answers to first questions peeps might have..
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post #6315 of 33787
Quote:
Originally Posted by conaman551 View Post

Hi can you please add me biggrin.gif
OCN name: conaman551
CPU: 3570K
on die-TIM: Liquid Pro
ihs-TIM: Liquid Pro
Mhz gained: 400mhz
OC after delid: 4900Mhz
Temp drops: >25c
CPU-Z validation of max OC: http://valid.canardpc.com/2630805
Before De-lid: Warning: Spoiler! (Click to show)
After De-lid: Warning: Spoiler! (Click to show)

very nice, gratz.. and welcome thumb.gif
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post #6316 of 33787
conaman, what kind of cooling are you using?
post #6317 of 33787
Hay it's been awhile since anybody has mentioned the issue with having the TIM pumping out from under the IHS, any updates?
post #6318 of 33787
Quote:
Originally Posted by Systemlord View Post

Hay it's been awhile since anybody has mentioned the issue with having the TIM pumping out from under the IHS, any updates?

yea, i remember, i even copied this to a text doc. for later use...lol

....................................................................................
pump out effect

Basic concept

"Large and fast decreases in temperature when coupled with HLT instructions.
A usage pattern that alternates between full idle and full load conditions
will cause die temps to swing WIDE AND FAST, particularly with overclocked/overvolted CPUs.


This thermal cycling causes TIM pump-out, wherein the TIM gets ejected and displaced by air,
which is of course not a good thing.

Greases also creep, again worsening the situation."


I think this happens more often with IB because of how quick it heats up and cools off.
The die contact area is so small with such drastic temperatures is another reason.

......................................................................................
Valgaurs explanation biggrin.gif

Take a TIM put it on your IHS and push your heat sink on it. after a while it starts to
"spread" or pump out from the middle of the IHS and onto the sides causing temps to go up.
I have actually experienced this very recently as my Max's for temps went up. not from
vcore or anything same settings and ambients. it went up 4C.

I think this could also be applied very well to benching. For example you apply a lot
of heat to lets say a candle (Shut up it's a bad example let me be)

You heat up the top of it and it melts making it more fluid and able to move.
you then let it cool thus hardening. then you repeat for a while and eventually
the melted wax overflows the side and drips. the same can be said with this pump
out saying. as it heats it and and makes it more fluid and moves to the outer areas
of the IHS or even the die of your CPU's. This also correlates to the amount of
pressure you have on the IHS and the TIM from your heatsink as that pushes the material
and makes it move. so the more pressure the better temps but higher chance of pumping
out the TIM in the process of better temps.
...........................................................................................

just found this,

2.1.4 Long-Term Stability and Reliability of the Material
The long-term stability and reliability of the thermal interface material is its ability to provide a
sufficient thermal conductance even after an extended time or extensive use of the computer (for
example, servers or personal computers that work 24 hours a day, 7 days a week). Low-quality
compounds may harden or leak out over time (the pump-out effect)
, leading to overheating or
premature failure of the processor. High-quality compounds provide a stable and reliable thermal
interface material throughout the lifetime of the processor. Thermal greases with higher viscosities
are typically more resistant to pump out effects on lidless processors
.
http://support.amd.com/us/Processor_TechDocs/26951.pdf
Edited by VonDutch - 12/28/12 at 12:45am
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post #6319 of 33787
I have just updated the spreadsheet, conaman551 is now officially in the club. tongue.gif Welcome!
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post #6320 of 33787
OCN name: Matt-Matt
CPU: i5 3570k
on Die-IHS: Coolabatory Liquid Pro
Ihs-Cooler: Coolabatory Liquid Ultra
Mhz gained: 200MHz
OC after delid: 4.6GHz
Temp drops: ~25c
CPU-Z validation of max OC: Link

Additional Notes:
  • Quite possibly used too much Pro on the Die but at least it'll stick I suppose.
  • Liquid Ultra was flawless on the 3570k IHS.
  • Temperature has greater variances then before, I.E my temps were getting close to 85c with an IBT load when ambients were warmer and the fans on slow.
  • CPU Cooler actually works, it heats up the top of the case and the back of it. Still not hot to the touch though. (The cooler)
  • Pentium 4 IHS failed, Don't even bother trying. Unless you want to spend a while sanding the sides of it to make it fit (I have a feeling that the Pentium 4's IHS' were taller and therefore didn't make proper contact with my 3570k
  • 4.7GHz was fine for Windows + Games and IBT but the second I loaded P95 for more then 10 minutes it failed.
  • My chip is terribad, needing 1.45v for 4.6GHz and more then 1.51v for 4.7GHz. Considering selling in the new year (Feb-March) ~$200 on eBay and getting a 3770k.


There she is, all shiny after a cotton but attacked it with metho. Came up rather nice I think. smile.gif
Edited by Matt-Matt - 12/28/12 at 2:44am
 
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