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 Post subject: colours on the power supply
PostPosted: Tue Aug 26, 2008 2:45 am 
Little Foot
Little Foot

Joined: Thu Apr 05, 2007 11:47 pm
Posts: 122
i want to shorten the main power plug. question is i see bunch off black ones bunch of reed bunch of yeoow then there are a few single odd colours grey purple ect.
does it matter which black gets connected to which black or red or yellow once cut?


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 Post subject:
PostPosted: Tue Aug 26, 2008 7:02 am 
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all of the black ones are ground, the yellow ones are +12V, and the red ones are +5V (correct me if I'm wrong), just like a standard Molex connector, I don't know why they don't just use one thick cable for it, but I wouldn't bother taking the risk of mixing them up.

PS, use a paperclip to jump the green wire to a black one to turn on the PSU without the rest of a computer.


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 Post subject:
PostPosted: Tue Aug 26, 2008 7:07 am 
Little Foot
Little Foot

Joined: Thu Apr 05, 2007 11:47 pm
Posts: 122
err thats the prob i quickly cut them not thinking. apparently 2 beers and a chattering women slow my brain to the level of a manatee


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 Post subject:
PostPosted: Tue Aug 26, 2008 7:33 am 
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hahaha!! I see said the blind man....

you can try it...

come to think of it, i think that all of the black wires are soldered on the board at the same place.... at least, they were in the older PSU'd that i've taken apart, same goes for the yellow and red.... you SHOULD be okay, but no gaurentees from denis here. s'long as you match up the colours correctly, you should be okay


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 Post subject:
PostPosted: Thu Aug 28, 2008 1:39 am 
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Pretty much as well covered. All the black are common, the yellow are 12 Volts, the orange are 3 Volts and the red are 5 Volts. Typical 24 pin motherboard connector pinout looks like this:

Image

All of the black, yellow, red and orange are common to each other at the PSU point of origin. Therefore it matters not which yellow is connected to which yellow and so on.

Ron


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 Post subject:
PostPosted: Thu Aug 28, 2008 1:41 am 
Little Foot
Little Foot

Joined: Thu Apr 05, 2007 11:47 pm
Posts: 122
awesomo 3000 thanks now i will plug it in


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