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So, I received this results:
Vcore - ~1.375 V, 690MHz GPU, Delta -90, but I didn`t try another delta.
Vmem - ~2.2 V, 850 MHz RAM
Temperatures were not high, because I used 2x120mm fans near VGA.
I tryed set more Vcore, but Butterfly test in 3DMark always failed 

I found some information about APW7120, which controls voltage and so, it has bug, called in Russia "protection for voltage", this chip usually don`t work with voltages above 1.4 V without special modications
Last edited by DZhon; 05-01-2007 at 09:40 AM.
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