om3n

I have been helping this friend of mine with his computer- recently his power supply went dead, and I told him to buy a new powersupply. He asked me what is a good brand to buy from, and I told him PC power and cooling. I told him they make a 470 Watt model called the silencer, and he went and picked it up.

He just gave me the power supply to install in his computer, I just pulled out his old psu which was dead and installed his new psu- as I was connecting everything back together, I realized that his motherboard needs an 8 pin power cord for the CPU, but this new power supply only has a 4 pin Is there ANY WAY I could make this work? I have a free 6 pin connector that's obviously designed for a video card, and I guess I was wondering if I could somehow connect the 6 pin connector + 2 pins off the 4 pin connector and safely power the CPU? is there anything like this that I can do so he doesn't have to send back this power supply? I also have an adaptor that converts 2 4 pin molex connectors into one of these 6 pin connectors.

Thanks so much guys, this is really important that I get this figured out ASAP

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Afrodisiac

First of all, do NOT use a PCI-E power cable for the CPU.

Second, the computer should run with the 4-pin cable. It just won't get the current an 8-pin cable can put out.

om3n

really? So overclocking this way is probably not a good idea? I told him I would try to overclock this computer, but not hard core. It's a 2.6 C2D, I told him I'd try for 3 GHZ.

This is why I'm asking before I try it

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om3n

ok, so this board won't turn on with only the 4 pin connector. Is there some way it's supposed to be oriented? Right now it's in the right 4 connectors.

EDIT

in fact, when I connect 8 pins from another power supply to it, it will start up fine. It doesn't like having simply 4 pins

Are you sure only 4 pins is required?

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Afrodisiac

sailerboy

4 pins should be fine. Overclocking should be fine as well. You can easily get to 3.0 ghz with that processer.

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Afrodisiac

I doubt it's too power hungry to boot without an 8-pin connector. People can run E8400s on 4-pin connectors so I don't know what's up :/

om3n

The computer won't boot when I have it connected like that.... I will try again, but right now I have connected JUST the 8 pin cpu power cord from a different power supply (with a paper clip jumper on the 24 pin main board power cord), but all the rest of the power on the board is coming from the new pc power and cooling PSU. it will boot like that, but again, it won't boot with the 4 pin cpu power cord connected from the pc power and cooling PSU

EDIT

I also get 2 red LED's on his board when I'm using the 4 pin connector, something that doesn't happen with the other PSU's 8 pin connector

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neDav

As stated before, four pins on an eight pin mobo have worked for me. I don't understand why his isn't turning on.

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keitare

you can get a 4 pin molex to 8 pin for like 2 bucks at Frys