Removing your Heatspreader

Introduction

The History of the IHS

Remember back in the day all CPU's had their core exposed? This caused many problems, from novice users cracking their cores, to hardcore overclockers killing their CPU's with unorthodox cooling solutions. The Intel Pentium 3 was the first mainstream CPU to feature the IHS. Following that, was the Pentium 4, which included an IHS. Intel's IHS' were mounted the same way AMD K8 CPU's IHS are, with some epoxy and thermal paste. This caused many problems, because sometimes the IHS would not make proper contact with the core, and temperatures would be abnormally high, hence hindering overclockability. So to tackle the problem Intel started soldering their IHS' to their cores.




(From left to right, AMD K6, Intel PIII Tualatin, Intel Pentium 4 Williamette (s423), Intel Pentium 4 (s478), Intel Pentium 4 (s775), AMD K8 (s754, s939)

Why Remove the IHS?

Since the introduction of the K8 series CPU, AMD has been using epoxy to mount their IHS.  To ensure proper thermal transfer between the core and the IHS, they applied a layer of thermal paste.  Sometimes too much or not enough thermal paste get's applied at the factory, or the IHS isn't seated properly on the core.  This can make your CPU run abnormally warm, hence hindering your overclock.  To solve this, people remove their IHS.  When you remove the IHS, your heatsink makes contact directly with your core vs the heat spreader, instantly having better contact with the CPU.



When you have an IHS, the heatsink doesn't make direct contact.  Instead it's almost like a layered cake.  Theres the CPU core, then some thermal paste.  On top of that is a slab of metal, known as the IHS.  Then some thermal paste on that, then finally the base of the heatsink.  Doesn't sound too good for the cooling of the CPU, does it.



When you remove the IHS, it becomes core, thermal paste, then the base of the heatsink, or direct core contact. 
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Most Recent Comments

14-09-2005, 08:32:02

mbmapit44
Ok guys getting idle/load temps of 31/42 respectively on this 4800 X2. My question is will it help much if i remove the heatspreader???Quote

14-09-2005, 08:41:50

Rockindaveuk
It'll help a little, a few degrees at max but is it worth risking damaging the chip for that?Quote

14-09-2005, 09:30:31

GoLLuM4444
Quote:
Originally Posted by name='Rockindaveuk'
It'll help a little, a few degrees at max but is it worth risking damaging the chip for that?
Yes. .

You can get shigsy to do it - he's coordinated.Quote

14-09-2005, 10:02:54

Master_G
Lol, i would rather upgrade my cooling than remove the IHS, the amount you will gain varies from chip to chip, i have seen some with really poor IHS contact where they gain 5-10C, others have fairly good contact and you only gain 2-3C.

If it is worth it is down to you, it's only money after all if you damage it

GQuote

14-09-2005, 16:37:28

rra
What about remove put decent layer ceramic paste and reseal which is what I want to do but what does one use to reseal anyone know???Quote

14-09-2005, 16:53:50

SAS91
Not a post to say do or dont do it, however if you do plz take pics...wanna see what a dual core looks like without a IHS.Quote

14-09-2005, 19:27:54

Warlord Shigs
Quote:
Originally Posted by GoLLuM4444
Yes. .

You can get shigsy to do it - he's coordinated.
Yeh as Gollum knows ive jus taken a ihs (ad 2 give ihs 2 a mate) off a brand new fx57 which i will be puttin up for sale soon....

my advise 2 you would be take your time as its ur first go at it, and make sure u dnt cut 2 deep otherwise u will take off a surface resistor

shigsQuote

14-09-2005, 22:30:04

Kamz
yeap i cut to deep once and took some resistors off an old athlon 3200 CG, but lucky for me the cpu still booted and worked fine, temps were not that much of an improvement thou.Quote

15-09-2005, 06:19:52

stocky
That sounds all a bit risky for a couple of degrees! Good luck if you go ahead! Quote

15-09-2005, 11:27:37

maverik-sg1
Hello?

WE ARE EXTREME PROMETEIA - not cautious prommies!!

Take it to the max my friend and go forward and remove that IHS - if you PM Shigsy - he will remove it for ya (at a very reasonable price).

The temp difference of a few degrees can be teh differnece between a good overclock and a great overclock.

GET EXTREME!!

MavQuote

15-09-2005, 12:00:43

nick25
Have you removed your IHS then Mav?Quote

15-09-2005, 12:06:40

maverik-sg1
Thats an interesting question - the answer to which right now is no - but I feel that shigsy will be removing it in the near future.

Cheers

MavQuote

15-09-2005, 12:08:17

Warlord Shigs
Quote:
Originally Posted by maverik-sg1
Thats an interesting question - the answer to which right now is no - but I feel that shigsy will be removing it in the near future.

Cheers

Mav


if u have a X2 cpu then removing the ihs is pretty much a MUST, ppl ave reported up2 10-13c drop in loaded temps!!!Quote

15-09-2005, 16:50:18

nick25
Yeah I don't think its worth removing Mav. It seems to be a problem with the X2's.Quote

15-09-2005, 17:30:49

maverik-sg1
Quote:
Originally Posted by name='nick25'
Yeah I don't think its worth removing Mav. It seems to be a problem with the X2's.
Problem for X2's I dont understand - do you mean X2's will benefit more?

A few degrees extra could be the difference between tumbling records and also rans - as the EPUK coach (and top bencher at present) it's only right to be as extreme as I can be with the resources I have - success is good for the team, failure is not an option.

MavQuote

15-09-2005, 17:35:33

Warlord Shigs
Quote:
Originally Posted by maverik-sg1
Problem for X2's I dont understand - do you mean X2's will benefit more?

A few degrees extra could be the difference between tumbling records and also rans - as the EPUK coach (and top bencher at present) it's only right to be as extreme as I can be with the resources I have - success is good for the team, failure is not an option.

Mav
wat mavs sayin is right, every degree helps tbh! especially when goin for those extra bench stable mhz!

and also imma be back in the game within the next 2weeks, try take down some air coolin WRs, gonna be goin for 600core on air on a single 7800gtx

wats the current ep-uk record for a single 7800gtx on 3dmark03 and 05 regardless of coolin?

shigsQuote

16-09-2005, 06:59:30

maverik-sg1
Quote:
Originally Posted by Warlord Shigs
back in the game within the next 2weeks, try take down some air coolin WRs, gonna be goin for 600core on air on a single 7800gtx

wats the current ep-uk record for a single 7800gtx on 3dmark03 and 05 regardless of coolin?

shigs
See here for details Shigsy mate.

MavQuote
Reply
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