Quote:
Originally Posted by Ecky
Not possible, with most motherboards. They also need 5v and 3.3v, as well as some negative rails. Also, 12.6v is asking for trouble, and if you tried to use a car's charging voltage of 14.2v, you'd fry it instantly.
EDIT: You really need a DC-DC converter, or a DC-AC and use the normal power plug.
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Looking into it you can get a resister setup to get the 5v and 3.3v from the 12v. At which point you'd need to find something to only supply 12v to the system!! If you could wire a car battery to the motherboard and used a 25 amp alternator you could possibly produce enough power to run it for 5 hours from one hour of peddling!!