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Old 03-14-07   #1 (permalink)
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Question Should the PSU work even though there is no Motherboard?
I got every component for my new build now, just missing the monitor and the motherboard.

I just instaled the PSU (Seasonic S-12 600W), and I wanted to test my LED fans. It doesn't work though... Do I need a motherboard to do this?
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Old 03-14-07   #2 (permalink)
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Anyone? It's 00:01 am over here in Norway... I have to go to bed soon (School tomorrow). I just want to know if ther is someting wrong with my powersuply and if I need to go to bed worried :-/
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Old 03-14-07   #3 (permalink)
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Check link on how to power on your PSU without a mobo http://www.overclock.net/off-topic/1...ml#post1792042
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Old 03-14-07   #4 (permalink)
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Check link on how to power on your PSU without a mobo http://www.overclock.net/off-topic/1...ml#post1792042
Thank you. So what you are saying is that if I do't jump it, then it won't start up, even though it's fine?

It's brand new, I just want to know if it's supposed to ower up my fans by itself when I don't have a motherboard.
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Old 03-14-07   #5 (permalink)
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Originally Posted by thenarfer View Post
Thank you. So what you are saying is that if I do't jump it, then it won't start up, even though it's fine?

It's brand new, I just want to know if it's supposed to ower up my fans by itself when I don't have a motherboard.
Correct the PSU needs a signal from the Mobo to start. Jump it on and you can test your fans.
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Old 03-14-07   #6 (permalink)
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Originally Posted by grunion View Post
Correct the PSU needs a signal from the Mobo to start. Jump it on and you can test your fans.
This is my first build, and I had heard from others that it's supposed to start up without a motherboard. When it didn't I kind of panicked :P

Thanks a lot, I feel so much better now
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Old 03-14-07   #7 (permalink)
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The PSU needs to be connected to a motherboard for it to start

OR

Jump the green wire/pin to a black (ground) wire/pin.
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