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Fan controller/rpm monitor cable help - Page 2

post #11 of 15
Test it in a multi-meter for conductivity, its the yellow wire that gives the rpm. Why not clean up the wires, get rid of that single yellow plug.

Why not just buy a y-adapter, use it as a single plug only? Gelid y-adatpter will save you buying a multi-meter and the head ache of learning basic electronics, that is beyond the concept here

If your mother board is a cheap or unpopular model, slight chance the headers could be beyond the max Amps it can support, again with basic knowledge you can work out your watts for the mother board to be sure you dont exceed it

Had to edit, if your connecting that single yellow plug into your motherboard on top of it being plugged in to your controller this i imagine is giving you the bad reading. $7 U.S dollars including packaging for 10m of 3mm or 5mm heat shink tube on ebay is worth getting if your doing this and a fine tip soldering iron and then get multimeter. Cheaper just to buy the cable
Edited by Tigerpaws - 6/19/11 at 1:55pm
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post #12 of 15
Thread Starter 
i'm not really understanding what you mean. get rid of what single yellow plug? what do you mean by using a y-adapter as single plug only? I've tried plugging in the cable w/o the yellow wire to the fan controller and it makes no difference. Also, the only y-adapter that i've seen that looks like it would do what i want is this
http://www.newegg.com/Product/Produc...82E16812119148
and from my experience with the custom cable, having the red and black wires going to the mobo won't let me control a fan with the fan controller :\\
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post #13 of 15
Do you mean you cant see a single cable thats yellow in your pic?

That adapter you have a link to, is a Y-Adapter, what i have mentioned up above, Check out here, scroll down to Fan Cables for the best price ones then google up better

Your motherboard does support controlling fans, of 3 pin, only at a set desired speed
Manual - Asus Maximus II Formula
Goto Page 3-37
Power Fan >> Duty Mode >> select the percentage you need
Same for OPTFAN1/2/3 >> Duty Mode >> select the percentage you need

Plus page 2-28 what your fan headers can handle
The fan connectors support cooling fans of 350 mA–1000 mA (24 W max.) or a total of 1 A–3.48 A (41.76 W max.) at +12V.

As i mentioned up above its the yellow cable that controls your rpm, you must have a yellow cable to control it in any way(only other way is by resistor or diode) or your fan controller.
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post #14 of 15
Thread Starter 
Thanks for trying to help me, but i don't think we're on the same page. I can control the rpms fine with the fan controller and the yellow wire connected to the motherboard. I just can't read them correctly (through speedfan or hwmonitor) unless the fan is spinning at full speed. And it was my understanding that the yellow wire is just a rpm sensor not what controls the rpms (seeing as you can control a fan's rpms using only the red and black wires).
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post #15 of 15
From up above is

Quote:
Originally Posted by Tigerpaws View Post
if your connecting that single yellow plug into your motherboard on top of it being plugged in to your controller this i imagine is giving you the bad reading.
Dont have a fan controller, but i cant imagine it will give the correct reading, is it in the manual for such a setup?

Got a feeling your yellow cable will need the black one, for it the yellow sensor to work. Cant guarantee anything without use of multimeter. Otherwise the ciruit will remain open
Edited by Tigerpaws - 6/19/11 at 10:53pm
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