PWM splitter cable

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Ono'rach

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The CPU cooler which I want to get (Coolermaster 212 plus) can be set up with a second fan in a push-pull configuration. Here is the second fan which I would add.

My question is this:

Is it possible (or recommended) to connect both fans directly to the motherboard's CPU PWM plug? Can one get a PWM splitter or adapter for this purpose?

The reasons for doing this are so that the second fan does not run at full RPM all the time, but is rather controlled by the CPU.

Is this safe to do from a voltage/amperage point of view?

Thanks guys :)
 
Arctic Cooling has fans with PWM Sharing that is suited for that exact purpose, but I think you won't be able to get hold of the 120x120x25mm fans at Prophecy Shop.
Here's the 120x120x38.5mm fan (which cannot be mounted in reverse): http://www.prophecy.co.za/arctic-cooling-120mm-cooler-120x120x385mm-p-66167.html

I think you can possibly make up an cable that would take the power from a molex connector and then the PWM signal from the motherboard's 4-pin fan connector.
 
Pada said:
Arctic Cooling has fans with PWM Sharing that is suited for that exact purpose, but I think you won't be able to get hold of the 120x120x25mm fans at Prophecy Shop.
Here's the 120x120x38.5mm fan (which cannot be mounted in reverse): http://www.prophecy.co.za/arctic-cooling-120mm-cooler-120x120x385mm-p-66167.html

I think you can possibly make up an cable that would take the power from a molex connector and then the PWM signal from the motherboard's 4-pin fan connector.
Click to expand...
Thanks for the link Pada.

I'm not that technically inclined unfortunately! :(

So does a splitter of this nature simply not exist?

If not, then I'm going to pay somebody to invent one and own the patent :p
 
Pada said:
Arctic Cooling has fans with PWM Sharing that is suited for that exact purpose, but I think you won't be able to get hold of the 120x120x25mm fans at Prophecy Shop.
Here's the 120x120x38.5mm fan (which cannot be mounted in reverse): http://www.prophecy.co.za/arctic-cooling-120mm-cooler-120x120x385mm-p-66167.html

I think you can possibly make up an cable that would take the power from a molex connector and then the PWM signal from the motherboard's 4-pin fan connector.
Click to expand...

Can't you mount that fan on the front and any other normal pwm fan (eg. the stock 212 fan) plugged into the included splitter?

"4 pin socket for CPU cooler or second fan"
 
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Pada said:
You can ask the guys at Carbonite Forums to import you one of the PWM splitter cables from Performance-PCs:
http://www.performance-pcs.com/catalog/index.php?main_page=product_info&cPath=451&products_id=24972
http://www.performance-pcs.com/catalog/index.php?main_page=product_info&cPath=451&products_id=25413
Click to expand...

Thanks Pada, I'll check it out :)
dudewotevr said:
Can't you mount that fan on the front and any other normal pwm fan (eg. the stock 212 fan) plugged into the included splitter?
Click to expand...

Thats a good question. It would make sense that you could do that, the only problem is that the Arctic Cooler fan has a lower RPM and CFM rating than the one which comes with the cooler...
 
Ono'rach said:
Thats a good question. It would make sense that you could do that, the only problem is that the Arctic Cooler fan has a lower RPM and CFM rating than the one which comes with the cooler...
Click to expand...

Pity they don't also stock the normal type Arctic.C fans.. I want to do the same thing..

Just find one that is similar, like one that is max 1600rpm at 12v, shouldn't be much of a volume/cfm difference is it's a quality fan.
 
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I have the Coolermaster 212 plus you're talking about fitted to a 3.4GHz Pentium D which is overclocked and known to be, I think, the pentium chips that ran the hottest. I can crank the CPU to full load for hours and the temp never goes over the high 60s with the Coolermaster 212 plus setup. It works perfectly well with the one fan. I'd recommend you try it as it is first. If then you find it's not sufficient then you can go down that dual fan route. FYI I tried the setup with the fan first in the push config, then pull, and set it back to push as it is much more efficient, pull sucked.
 
South_Bit said:
I have the Coolermaster 212 plus you're talking about fitted to a 3.4GHz Pentium D which is overclocked and known to be, I think, the pentium chips that ran the hottest. I can crank the CPU to full load for hours and the temp never goes over the high 60s with the Coolermaster 212 plus setup. It works perfectly well with the one fan. I'd recommend you try it as it is first. If then you find it's not sufficient then you can go down that dual fan route. FYI I tried the setup with the fan first in the push config, then pull, and set it back to push as it is much more efficient, pull sucked.
Click to expand...

1x fan on pull is not nearly effective as push.

True, push-pull only helps to cool max 2-3 deg.'s more.

1x quality fan is far more important.. and good case airflow.
 
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South_Bit said:
3.4GHz Pentium D which is overclocked and known to be, I think, the pentium chips that ran the hottest.
Click to expand...

P4 Prescott was the heat king,especially when it's new out of the box
 
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