Originally Posted by KillerBug
The 3.3V is a signal from the PS3 to the power supply to signal it to turn on...it is not a supply voltage and it is low current.
A note on 12V rails...you don't want to mix them on a single device. You can run the bluray and the mainboard of different 12V rails, but you don't want to run all of your 12V rails together to a single point like the 12V pin of the mainboard...if you could do this, the PSU would come like that. Most quality PSUs have a single 12V rail anyway...you mostly only get more rails if the PSU is low quality or if it is very high current (like those 1200W monsters).
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the 3.3v is not needed as it's only for the ps3 psu..
as long as you bridge the pc psu you won't need to mess with it.
that's all
