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Author Topic: 8 pin to 4 pin 12 volt motherboard adapter  (Read 2572 times)

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nikon

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8 pin to 4 pin 12 volt motherboard adapter
« on: 11-December-06, 18:28:55 »

I have a RD480 Neo 2 motherboard that has a 8 pin 12v connector on the motherboard. My 450 watt supply only has a 4pin, can I safely use an 8 to 4 pin adapter. I am only running a Athlon 64 3900.
thanks
Nikon
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Tiresmoke

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« Reply #1 on: 11-December-06, 19:12:13 »

Most of those 8 pin connections are really just 2 four pins stuck together. Take a close look and I bet you will see that they come apart and you will have the connection you need.
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nikon

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« Reply #2 on: 11-December-06, 19:28:44 »

 I just want to make sure that if I plug my one 4 pin 12v connector from my p/s and connect to the right side 8 pin connector on motherboard that this will be ok. I have heard there could be current issues if not using an 8 pin connector from p/s.(EPS12v)  I was hoping since I am not using dual core, this would be ok running 4 pin connector to mB. 
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Tiresmoke

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« Reply #3 on: 11-December-06, 19:32:21 »

Check the PSU docs for your PSU but that is what most of them do. On mine the 8 pin comes mated from the factory and is marked as p1 and p2. When you seperate them you use the P1 as the standard 4 pin connection for CPU power. Again check your docs as they tell you what you can do.
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nikon

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« Reply #4 on: 12-December-06, 04:06:03 »

I just it,plugging the 4 pin into the 8 pin connector on board.  Spec on p/s is supposed to handle it.  Powered on and it turns off after about 15 seconds. Fan is running.  Not sure if is it p.s or cpu. 
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Tiresmoke

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« Reply #5 on: 12-December-06, 04:13:05 »

Can you give more details on that PSU? Make/Model Amps per rail? Anything? Your in front of the PC we aren't so you really need to provide details like Specs if we are to be any real help.
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nikon

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« Reply #6 on: 12-December-06, 07:56:46 »

the motheboard I have is MSI RD480 Neo-2, the case is the XION 2, it is a 450 watt supply.  The 12v line is 18 amps, but I think it is setup for one rail. I am new to all of this. Site is http://www.xionusa.com/product-case-Xion2.html.  I am thinking of ordering the Ultra X-Finity, it is a 600 watt supply, with 18A/20A on the 12 volt rails.  Hopefully this will be better if it causing my problem.  I really appreciate the help
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