Tracking down a voltage dependent chip

I have a DK which if the voltage is low at all (like 4.95v) will start to
display graphic corruption (Kong gets stripes and princes hair starts to go
to the wrong place). Any suggestions on finding the chip involved? I have
done this before by piggybacking the ram / buffers around the sprite but in
this case I get no change.

Thanks,

David

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Received on Sat Sep 21 18:23:57 2013