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fan controller help! - Page 2

post #11 of 18
Thread Starter 
Gotcha, I'll probably just leave those two as mobo and the rest on the fan controller than.
post #12 of 18
Quote:
Originally Posted by werd View Post

So your lamptron fan controller fits 4pin fans? Can you tell me the model please?

It's an fc8 and no it doesn't have 4 pin connectors what you do is simply plug in the 3 pin since one of the wires is actually just to handle the pwm control, it's pretty much the control wire. If it's not plugged in your fan gets whatever voltage you're supplying, so if you're pushing out 5v then your fan should be getting 5v and so on......
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post #13 of 18
Like this:



Unless your p12 connector is some weird thing I can't see in the pics you plug it into 3 pin connectors from your fan controller the SAME way.
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post #14 of 18
Quote:
Originally Posted by DirkDaring View Post

Like this:

Unless your p12 connector is some weird thing I can't see in the pics you plug it into 3 pin connectors from your fan controller the SAME way.

It's not P12 connector. His fan controller plug is closed type. Like this.

He can't plug it there without some extension cable.
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post #15 of 18
Quote:
Originally Posted by DeXel View Post

It's not P12 connector. His fan controller plug is closed type. Like this.

He can't plug it there without some extension cable.

That clears that up then, was wondering wth. Alternatively you could also strip the closed housing off biggrin.gif and electrical tape it over.
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post #16 of 18
You can grab a sharp knife and cut the 3 pin male connector on the fan controller open on the side the 4th pin would be. Did this a couple times and you shouldn't have any problem controlling the fan speed via voltage.
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post #17 of 18
Thread Starter 
Quote:
Originally Posted by Sony Oengui View Post

You can grab a sharp knife and cut the 3 pin female connector on the fan controller open on the side the 4th pin would be. Did this a couple times and you shouldn't have any problem controlling the fan speed via voltage.

Good idea! Might try that...

Also weird question (I'm a first time builder, bear with me biggrin.gif) . With the fan controller itself, the 4 pin molex power adapter is missing a pin. Is that normal?
post #18 of 18
Quote:
Originally Posted by werd View Post

Good idea! Might try that...
Also weird question (I'm a first time builder, bear with me biggrin.gif) . With the fan controller itself, the 4 pin molex power adapter is missing a pin. Is that normal?

Yes, I think i remember mine missing the 5v pin and one of the ground pins. So only two of the four slots on a 4pin molex where used.

Edit: Just realized you might be talking about the power input to the controller. No idea about that, but unless there is a cable floating around with a pin on its end, you should be fine. A 4pin molex has one 12v pin, one 5v pin, and 2 grounds. Some devices get by with the 12v and a ground. but most of the time you'll see the 4 pins there to have the connector also work as a pass through to other devices that might need the 4 pins.
Edited by Sony Oengui - 10/10/12 at 10:58pm
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