Building a DC Power Supply for ATX system
From: Computer Doctor (help_at_ezpcfix.com)
Date: 01/14/05
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Date: Fri, 14 Jan 2005 03:45:07 GMT
I don't know if the following has been done, but here goes:
Would it be advisable to provide a DC-DC power supply (PS) to an ATX system
for the purpose of;
1) Increased efficiency
2) Decreased heat
3) Decreased fan noise
If you used an automotive style sealed battery in the circuit and a trickle
charger, wouldn't you also provide a fairly substantial UPS system ? I've
seen DC-DC power modules that plug directly into the ATX power connecter
the size of a playing card. DC Regulated Switching Power Supplies are not
too expensive if you're trying to meet the above criteria.
I believe that the computer industry has not utilized the DC-DC PS because
of the ubiquitous $50 PC AC-DC Internal PS. If I'm way off on my ideas,
please advise. If you can shoot holes in my ideas please do so.
TIA,
Trent M. Gunnarson
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