5V and 3.3v rail question:

[nealh]

What are these supplying...

5v...cpu and memory voltage?????

3.3v ...I/O voltage???

 

[clumsum]

There is a good power supply FAQ over at OCWorkBench

 

[ronein]

This one is courtesy of chizow, from a question i asked, that is similar to yours.

click here for some psu info

 

[nealh]

thanks