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PC Power supply Hacking

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sealslayer:

I need to run some cold cathode tubes and fans for my cab but I want to use a separate power supply from my PC to keep potential problems to a minimum.
I've been googling and found you can short pins 14 and 15 but it also says you need to have a MOBO attached as the PSU is waiting for a return current to it.
Is there another way of doing this? I would like the PSU to have a switch in the cab so I can turn it on and off manually.
Cheers  ;D

SirPeale:

No, that should work just fine without the mobo.

fatfingers:



Agreed.  The short works just fine for me.


sealslayer:

Damn, I've tried this now on two power supplys and nothing happens, I hope I'm shorting the correct two, theres a clip that fits into the mobo between 15 and 16 is this correct?

SirPeale:

Usually it's a green wire.  Short that to any ground.  Ground will almost always be black.

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