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Help! H80 power hookup

post #1 of 11
Thread Starter 
I just finished my first build, and the instructions for the H80 are unclear, to say the least. It doesn't seem to be getting sufficient power through the fan port I plugged it into, since the CPU unit isn't allowing me to change fan speeds and the processor overheated while sitting in setup. Split from the fan plug, there's an old 4-prong power socket, but my power supply doesn't have this kind of plug on it...does the H80 need both plugged in to operate, and if so, is there some sort of adapter to connect this old plug into a modern power supply cable? I have no idea why something being sold now would have such a plug on it when it isn't standard on current power supplies, but I'm stuck.

Please help!
post #2 of 11
1. You need some fan whatever pluged in the CPU Fan header (socket) - otherwise, you cannot boot.
2. Try the H80 pump connector in the CPU Fan header and the H80 fans in whatever fan connector available (preferably one you can setup in BIOS). 3-Pin connector can go in the 4-Pin (PWM) header.
3. Otherwise, connect both H80 pump and fans connectors to +12VDC lines (yellow wire); they'll run at max RPM and noisy. You might need an adapter from a PSU molex to pump and fan connectors.
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post #3 of 11
Thread Starter 
Quote:
Originally Posted by ar3f View Post

1. You need some fan whatever pluged in the CPU Fan header (socket) - otherwise, you cannot boot.
2. Try the H80 pump connector in the CPU Fan header and the H80 fans in whatever fan connector available (preferably one you can setup in BIOS). 3-Pin connector can go in the 4-Pin (PWM) header.
3. Otherwise, connect both H80 pump and fans connectors to +12VDC lines (yellow wire); they'll run at max RPM and noisy. You might need an adapter from a PSU molex to pump and fan connectors.

The fans for the H80 run, but the pump doesn't seem to be cycling. Without pictures and a diagram, I'm unable to rewire anything...I'm just not handy enough to figure it out. But I'm guessing we're talking about the same adapter...my power supply has thin, small pin female sockets to give power...they fit my optical and hard drives perfectly. But the H80 has a big, white male plug with 2 thick pins and 2 missing...these were the power supply plugs I was used to on my older machines. Is that what you mean by PSU molex?
post #4 of 11
TheH80 pump is powered by the large 4 pin molex and that needs to be plugged in. The fans should be plugged into the pump. The fans can also be plugged into a fan controller or motherboard. The pump should light up when you've got it plugged in correctly to a molex. You do not need to have it plugged into the cpu fan header but you get a warning saying no cpu fan detected on boot. If you don't have a molex connector then you need a converter. What kind of power supply do you have?
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post #5 of 11
Thread Starter 
I realized the pump wasn't working when it didn't light up. I have this power supply: Corsair Enthusiast Series TX850 V2 850W 80+ Bronze. I assume, then, that I need an adapter for the molex plug to the one that's on my power supply...is that something I can get at, say, Best Buy, or do I have to order it from NewEgg or Tiger Direct? My case has a large number of fans, so all of the fan jumpers are in use. I need to stick with keeping the H80 fans plugged into the pump and the pump plugged into its own fan jumper.

I've been tinkering around inside my machines since 1996, when I installed my first slave drive and had to screw around with the jumpers for the BIOS to recognize the drive as a slave, so I'm used to things going wrong when I work on machines, but I don't do it a whole lot, so each time I tinker there's some new technology that forces me to problem solve. This is my first build from scratch, since I'm disgusted with my previous PC from Dell which uses nothing in standard configs so you can't modify yourself. My heat sink fan died and I bought a new cooling unit, but Dell cocks their processors 45 degrees in relation to the holes for mounting a heat sink, and makes them slightly off from the standard screw points. I had no intention of ordering parts from them, so I decided to build my machine on my own. Clearly, my knowledge is lacking a bit, although I got most everything hooked up properly.

I'm considering hooking up the stock cooler that came with my chip just to be able to get Windows installed and get the basics done for the new machine, but really, I'd like to get that stuff done with the H80 and move to overclocking. I spent the money for a decent chip and motherboard, so I want to get the most out of them right off the bat.
Edited by Moonshae - 5/11/12 at 7:48pm
post #6 of 11
That power supply should have several 4-pin molex or peripheral connectors on it. They should look like this 450

That should connect to the pump. The other small 3 pin should connect to the cpu fan header on your motherboard. The molex may not fit perfectly as the pins can wiggle around in the connector but I promise it will go on.

If you do need an adapter we will have to know what kind of available connectors you do have.

Edited: Added onto
Edited by Kylepdalton - 5/11/12 at 7:55pm
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post #7 of 11
Thread Starter 
Ok, I now feel like a total idiot. When I was bundling my cords, I didn't see a single one of those plugs. When I went in to take a picture of the only ones I thought I had, I saw 2 of them right off. >.<. I do appreciate the help, because without it, I wouldn't have found them. now I just need to figure out how to get the machine to recognize my optical drive so I can install Windows...
post #8 of 11
No problem glad to help. Glad you got it worked out! You'll like the H80 great little cooler. By the way welcome OCN! You should put your system in your sig and let us know if need any other help.
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post #9 of 11
Quote:
Originally Posted by Kylepdalton View Post

TheH80 pump is powered by the large 4 pin molex and that needs to be plugged in. The fans should be plugged into the pump. The fans can also be plugged into a fan controller or motherboard. The pump should light up when you've got it plugged in correctly to a molex. You do not need to have it plugged into the cpu fan header but you get a warning saying no cpu fan detected on boot. If you don't have a molex connector then you need a converter. What kind of power supply do you have?

Well i guess this is the right thread i should post.

My question is there way to bypass the "no cpu fan detect on boot?" cause its kinda annoying that i have to go to setup and stuff just to boot. thanks
post #10 of 11
It depends on your mobo, but in most cases you can deactivate "CPU fan control" (or something similar) so the system ignores that there's no fan connected to the CPU fan header.

Which motherboard do you have?
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