Why does a PC need 12V?
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Mike Harrison wrote:
> > - Does the built-in serial require a +/-12V supply? Or
> > does it generate +/-12V (like a MAX232 for example)?
> > If I need to supply it, and decide not to use serial
> > comms, then can I just ignore it?
> Probably - the only possible issue I can think of may be to do with
> continually asserted ring interrupts.
Not familiar with ring interrupts. I don't use serial at all,
should I be able to get away w/o supplying 12V at all, or are you
suggesting that the ring interrupts require 12V in it's "dormant"
> >Anything else I'm missing?
> There may be things that use the 12V rail to get a clean 5v supply,
> but 8v or so ought to do here. Probably most likely on audio or video
Hmmm... never thought of this. Will have to look at the regulators
on the board (when I get one).
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