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Incompatible PSU?!?!

post #1 of 18
Thread Starter 
I bought a XFX 680i LT motherboard and a PC Power and cooling power supply

http://www.tigerdirect.com/applicati...2ocP6fG3oB7tEg

http://www.newegg.com/Product/Produc...82E16817703005

I put it all together with the rest of my computer parts and it did not boot. No fan movement at all. When I flip the psu power on the back a blue light turns on my motherboard. When I press the power button a yellow light turns on.

So I tried to jump start it using the paper clip method but it did not start.
I assumed it was a DOA psu and rma'ed it. Now I got my replacement and it does THE SAME THING!

Is it possible that they are incompatible. I tried my computer with a known good psu and it worked fine.

Any ideas?
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post #2 of 18
Have you installed the extra 4-pin right?
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hektik skidz
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post #3 of 18
Thread Starter 
Quote:
Originally Posted by dasparx View Post
Have you installed the extra 4-pin right?
There is no 4 pin connection on the motherboard. There is a 6-pin that I did connect. Also, I connected the standard molex connector near the atx.
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post #4 of 18
Thread Starter 
I just tested the psu in a different computer that is known to work. And it also had the motherboard lights turn on, but no fan movement of any kind. I also tried to jump start the second one, but it did not start.
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post #5 of 18
Quote:
Originally Posted by Dr. Fragger View Post
There is no 4 pin connection on the motherboard. There is a 6-pin that I did connect. Also, I connected the standard molex connector near the atx.
There is no 6-pin connection on ANY motherboard. There should be a 8-pin EPS plug next to the CPU socket. The standard Molex plug next to the primary 24-pin is not needed. That is for multiple video cards.
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post #6 of 18


All these need power connectors in with exception to the molex connector, that is required for SLI, DO NOT connect the 6pin PCI-E connector to the 8pin adapter, this could destroy tehz motherboard, either connect a 4pin adapter or 8pin adapter

4pin adapter:

refer to your motherboard manual for correct insertion
    
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post #7 of 18
Quote:
Originally Posted by Armadi110 View Post
DO NOT connect the 6pin PCI-E connector to the 8pin adapter, this could destroy tehz motherboard, either connect a 4pin adapter or 8pin adapter
It won't destroy the motherboard... maybe. The 4/8 pin plug is 2/4 +12v rails. The PCIe 6-pin is 3 +12v rails. It shouldn't damage anything unless plugged in backwards. However.... how did he manage to force it in?
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post #8 of 18
Thread Starter 
Quote:
Originally Posted by DuckieHo View Post
It won't destroy the motherboard... maybe. The 4/8 pin plug is 2/4 +12v rails. The PCIe 6-pin is 3 +12v rails. It shouldn't damage anything unless plugged in backwards. However.... how did he manage to force it in?
I didn't force it in there. I ment the one on top (the 8 pin). I correctly plugged the 8 pin cable into the 8 pin socket on the motherboard. Sorry for the mis-information.
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post #9 of 18
Thread Starter 
Quote:
Originally Posted by Armadi110 View Post


All these need power connectors in with exception to the molex connector, that is required for SLI, DO NOT connect the 6pin PCI-E connector to the 8pin adapter, this could destroy tehz motherboard, either connect a 4pin adapter or 8pin adapter

refer to your motherboard manual for correct insertion
I connected all of those connections. Are you sure I don't need the molex connector if I'm not using SLI? Should I try it without the molex connection since I'm not using sli?

It boots with it connected with a known working psu.
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post #10 of 18
http://www.pcpower.com/power-supply/...10-eps12v.html
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