Don Foreman wrote in
news

Different 'puters can use different voltages. Used to be elex was
pretty much all 5 volts but some more recent stuff runs on 3.3 and
some new stuff may be running at even lower voltages. Some SOA
silicon runs at under 1 volt. Less power, less heat, more speed.


The +5vsb supplies the USB ports on your computer, among other things. It
is a separate output of the power supply and I have yet to see a
motherboard of anywhere near recent vintage (last 5 years or so) that did
not require it. The thing to watch..is the supply CURRENT for the +5vsb.
Most modern motherboards require a minimum of 2A to be available on the +
5vsb supply.
An ATX or mATX is a standard. It will provide all the required voltages.
They now incorporate supply voltage for SATA equipment, as well as the
stand-alone +12V 4 prong supply for the high-performance chips.


--
Anthony

You can't 'idiot proof' anything....every time you try, they just make
better idiots.

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