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post #2741 of 20731
Quote:
Originally Posted by Skullwipe View Post

I think you mean PWM. What model motherboard do you have? Check your manual, it should have a section on fan headers.

It looks like the Z77 boards only have PWM control on the CPU fan header. The image below is from the Mpower board.


They actually say Fan Control on their documentation. A nicely ambiguous term that doesn't let you know what really is going on. I assumed it mean PWM signal since it functions correctly on my Z77IA-E53.
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post #2742 of 20731
Quote:
Originally Posted by bvsbutthd101 View Post

Isn't this the reason the swiftech h220 comes with a PWM controller?

The main reason it comes with a PWM splitter is to ensure the fans and pump receive enough wattage and amperage. The fan headers can only supply so much, the splitter allows you to use a molex connector for power.
post #2743 of 20731
Quote:
Originally Posted by Skullwipe View Post

The main reason it comes with a PWM splitter is to ensure the fans and pump receive enough wattage and amperage. The fan headers can only supply so much, the splitter allows you to use a molex connector for power.

Yes, I know this. From my understanding, Isewake is concerned his mobo doesn't support PWM. Isn't this the reason for why the PWM controller is included? Or does the PWM splitter just act as a expansion for more fan inputs?
Edited by bvsbutthd101 - 5/15/13 at 11:29am
post #2744 of 20731
Quote:
Originally Posted by bvsbutthd101 View Post

Yes, I know this. From my understanding, Isewake is concerned his mobo doesn't support PWM. Isn't this the reason for why the PWM controller is included? Or does the PWM splitter just act as a expansion for more fan inputs?
I thought it was just a splitter. If it's a controller, it should be no problem, right? So instead of connecting to my CPU fan header, I connect it to a four pin molex?
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post #2745 of 20731
Quote:
Originally Posted by Skullwipe View Post

The main reason it comes with a PWM splitter is to ensure the fans and pump receive enough wattage and amperage. The fan headers can only supply so much, the splitter allows you to use a molex connector for power.

The main reason this splitter was included is because most motherboards don't have very many PWM headers. So with our splitter you're getting extra headers to control your PWM devices. We recommend using this splitter with a PWM motherboard header because voltage control can quickly degrade PWM devices if you try to regulate them with voltage. PWM devices typically require a steady supply of 12 volts and then use a pulse width modulated signal to regulate the speed of the device.
post #2746 of 20731
Quote:
Originally Posted by BramSLI1 View Post

The main reason this splitter was included is because most motherboards don't have very many PWM headers. So with our splitter you're getting extra headers to control your PWM devices. We recommend using this splitter with a PWM motherboard header because voltage control can quickly degrade PWM devices if you try to regulate them with voltage. PWM devices typically require a steady supply of 12 volts and then use a pulse width modulated signal to regulate the speed of the device.

Thanks for clearing that up. thumb.gif
post #2747 of 20731
Quote:
Originally Posted by BramSLI1 View Post

The main reason this splitter was included is because most motherboards don't have very many PWM headers. So with our splitter you're getting extra headers to control your PWM devices. We recommend using this splitter with a PWM motherboard header because voltage control can quickly degrade PWM devices if you try to regulate them with voltage. PWM devices typically require a steady supply of 12 volts and then use a pulse width modulated signal to regulate the speed of the device.
So basically, I shouldn't use this cooler with my motherboard since it doesn't seem to have a PWM header. Is that correct?
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post #2748 of 20731
Correct. Or you could run it full speed all the time.
 
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post #2749 of 20731
Quote:
Originally Posted by Isewake View Post

So basically, I shouldn't use this cooler with my motherboard since it doesn't seem to have a PWM header. Is that correct?


Ok, someone else gets to officially answer this, but it's got to have one..... Has someone actually heard of a modern 1156 / 1155 / 2011 board without that capability?

I'm not cracking wise, it's a legitimate question, and if not, would this fella not just plug it in like suggested into the primary CPU header and run as directed?

[If it is there and labelled badly, or something equally stupid, is what I mean...]



Thanks - T
post #2750 of 20731
Quote:
Originally Posted by Tom Thumb View Post

Correct. Or you could run it full speed all the time.
Well maybe now I'll get a Haswell CPU. Been looking for an excuse to get one. biggrin.gif
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