I would try improving the cooling of both cell and rsx chips... open it up, clean and put some arctic silver... see if that works.
I am glad to report that I tried this method and it also fixed my YLoD... I just used a heat gun over the reality synthesizer chip and applied...
metallic8, Thanks for the report... did you apply the heat to the top of the chip or from under it on the other side of the motherboard? I am...
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