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Xbox 360 Overheating Caused by Protective Foil on Heatsink? *Updated*
>> Arakon from the german modding community modcontrol.com informed us about a new discovery they made with assistance from the guys at gamestore24.de and konsole24.de.
They checked on 2 independantly bought Xbox 360 consoles and found that the protective layer on the GPU heatsink's heat transfer pad didn't get removed.
On the left you see the CPU heatsink and how the thermal compound should normally look like. On the right you see the ATI GPU heatsink and people who are used to assemble PCs themself known this isn't how it should look like. It's not just a thick layer of compound ... there's actaully a protective foil on top of the thermal compound.
On the left a close-up of the protective layer/foil on top of the heat transfer pad. On the right the protective foil has been removed and placed next to the heat pad. This protective layer is probably placed by the manifacturer of the heatsink and is used to protect the heat transfer pad from dust, but should normally be removed just prior installing the heatsink on the GPU. The way it's installed now by MS the GPU chip makes contact with the protection foil instead of the heat transfer pad. This can of course cause cooling issues for the graphics chip as for optimal cooling performance there should just be a thin layer of thermal pad between the GPU chip and heatsink.
*UPDATE* Several people on our forums say that this 'Indium' foil has probably been placed there intentionally, is part of the thermal pad and should not be removed. Apparently similar foil is used some OEM PCs, P4 and some PC GPU chips. While it looks like most people agree that normal thermal paste/compound without such a layer usually works better, one of the advantage of such a layer is that a heatsink can easily be re-installed without re-applying thermal paste after you removed it. You can follow the discussion about it here.
Watch video (in german too, but it clearly shows the protective foil as they remove it): here[youtube.com] | here[xbox-scene.com] | here[konsole24.de] (16MB)
News/Pictures/Video courtesy gamestore24.de, konsole24.de and modcontrol.com.
Discuss this news item on our forums: forums.xbox-scene.com
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