How important is 3.3v?

Shane Hathaway shane at
Wed Jan 10 15:14:09 MST 2007

justin wrote:
> so do i pull apart the psu and start tweaking trim pots until i find
> one that brings it down to something closer to 3.3v? do i turn the
> monitoring software off and risk making a paperweight out of my cpu?
> how much does the 3.3v really matter?

In my box, the 3.3V rail appears to feed a voltage reduction circuit 
that provides 1.8V to the DDR2 RAM.  Your BIOS might provide RAM voltage 
monitoring and adjustment controls.


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