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Corsair H100 / H80 / H60 noise, grinding pump - *fix* + official Corsair response - Page 6

post #51 of 1734
Sorry for the offtopic (little bit) question : I have a Zalman ZM-MFC3 rheobus on which I use the three 3 pins to control my fans) and I have the PWM free...

Is there a way to use this for the H100 (and whith which cable) ?

Thank you very much
post #52 of 1734
Thread Starter 
You can't use the PWM output for the H100, but you can use one of the 3-pin outputs if you use a 3-pin to 4-pin Molex adapter such as this:
http://imagescl.cyberguys.com/images/prod_images/p3317a.jpg

Mind you that the 3-pin connector is the opposite you would use to power a 3-pin fan from a 4-pin Molex.

The Zalman ZM-MFC3 has a max output of 0,7A so don't go crazy with the fans you might have connected to the H100.
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post #53 of 1734
Sorry I wasn't clear : i don't have any fan connected to the H100, they are all connected to the ZM-MFC3.

Anyway, thank for the clarification that I couldn't use the ZM-MFC3 to connect my H100 on it's PWM output and still read the rpm.
post #54 of 1734
Thread Starter 
H100 as well as H80 and I'd say H60 too, must all be powered by a DC power supply. You can tweak the voltage if it's rattling, but you can't modulate the pulse width on the 3-pin +12V line (as you could do with a normal 3-pin fan, but RPM reading would be messed up), and if you connected it to a 4-pin PWM header, it would just be powered from +12V and the fourth pin would be floating in the air.
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post #55 of 1734
Oh great, so if I understand you right, I really could connect the H100 to the PWM output of the ZM-MFC3, only problem now is to find the "real" way to do it.
The ZM-MFC3 is rated up to 11V output, so I must be safe with that kind of power regarding the grinding noise of the pump ?
(I have almost finished my build, but I miss the CPU... waiting for 3770k).

If by chance I am not affected by the noise's problem of the pump, would it be right to connect the H100 to the Zalman's C3 cable :

H100's female 3 pins (only sensor connected) <-> male 3 pins (all connected) to
a) female 3 pins (all connected) <-> motherboard
b) female 4 pins (ground and sensor connected) <-> ZM-MFC3

In the manual they connect the CPU the other way (4 pins to MB and 3 pins to MFC3), which I could also do (my motherboard has 3 pins and 4 pins CPU's fan).

And if my H100 is affected with the noise problem could I find an adapter male 5.25 molex (+12v and ground) AND 3 pins female (sensor) to 3 pins female (all connected) ?
(Not certain my Asrock Z77 Professional could deliver the proper voltage but it might).

Thank you very much for all the info !!!
post #56 of 1734
Thread Starter 
If your H100 proves to be okay, then you can connect it as intended - 3-pin sensor wire to the CPU_FAN header, 4-pin Molex to the PSU.

The 11V rating is for the 3-pin outputs of the Zalman when it's set to 100%. The PWM output always provides full voltage, only the PWM signal on the fourth wire changes. The question is if the PWM output has 11V as the 3-pins, or is directly connected to the PSU and has full 12V. If it has 11V you could use that to connect the H100, using only the GND and +12V wire (and maybe the RPM wire), not caring about the fourth PWM wire at all.

There are 4-pin Moles (5,25") to 3-pin female fan adapters like the one I posted an image of. Normal adapters have a male 3-pin header which you can connect a fan to.

11V would make the pump run at about 1800RPM, this shouldn't affect the temps too much if at all, but you have to always check that.
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Corsair Force GT Samsung Spinpoint F3 Custom water. Very custom. Windows 7 x64 Pro 
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post #57 of 1734
Great, only problem is the picture you posted don't "mix" the two connectors of the H100 (maybe something like that don't exist ?).
Let's hope I will be fine without anything more.

Another time, thank you very much for all your information !!!
post #58 of 1734
Thread Starter 
I don't understand what do you want to mix.

The 3-pin connector coming from the H100 is only an RPM signal that you plug into the CPU-FAN header regardless of where do you choose to power the unit from. It doesn't do anything but suppresses BIOS errors regarding the lack of a CPU fan.
You're only interested in the 4-pin 5,25" Molex connector, that has 2 wires in it, coming from the H100. The adapter on the picture that I've linked allows you to plug that 5,25" connector into any fan header, be it on motherboard or a 3rd party fan controller. Then you can tweak the voltage a little.
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Hard DriveHard DriveCoolingOS
Corsair Force GT Samsung Spinpoint F3 Custom water. Very custom. Windows 7 x64 Pro 
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Philips 232EL natec Piranha 2 gaming :) OCZ ModXStream Pro 600W Corsair Graphite 600T 
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Hard DriveHard DriveCoolingOS
Corsair Force GT Samsung Spinpoint F3 Custom water. Very custom. Windows 7 x64 Pro 
MonitorKeyboardPowerCase
Philips 232EL natec Piranha 2 gaming :) OCZ ModXStream Pro 600W Corsair Graphite 600T 
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post #59 of 1734
I wanted to mix in order to make the H100 a regular 3 pins "fan" such that I could power it from the MFC3 in the only available slot I have, but it's true I could power it from another fan power from the motherboard on which I could set the voltage I need, so now it's just a matter to find your cable in Switzerland :-)

Thank you.
post #60 of 1734
I upgraded my system yesterday and also included a Corsair H80 with two Gentle Typhoons.
The fans are dead-silent, but the pump is making a sound like a freezer when it's working (I don't know a better way to describe it).
It's louder than my harddrives, which are 5400 rpm.
Would this fix help with my problem? I'm really bad with electrical wiring and stuff like that, so could you maybe put me on your list for the next batch? (if there is going to be one)
You should make a donate-button btw smile.gif
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