"Can't" stress test.

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Dragonic

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Jan 14, 2016
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So I just finished installing my shining new H100i v2 along with a pair of ML 120s.
Naturally the first thing to do was to try the sillicon lottery, but whenever I put AIDA64 to run, the fans just slow down (2200~ rpm down to mid 400s), no matter what profile or setting I set on Corsair Link. Also, even if I close AIDA, fans will only start to rev up again if I re-set the profile...

Any help?
 
Solution
photonboy
Weird, it almost sounds like a POWER ISSUE such that when the pump kicks higher the fans can't get enough power?

Probably not, but here's some comments:

1. Double-check the connectivity (especially related to pump and how it gets power)
2. Double-check the fan profile
3. Is LINK the newest version?

4. Can you run the fans from the motherboard instead?

If the fans can be connected via a 4-pin PWM header then consider doing that. You'd then download the motherboard FAN SOFTWARE (see motherboard site) and setup a profile.

For motherboard you may need a 4-pin fan splitter (NEWEGG etc) if there's no CPU_Optional header.
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photonboy

photonboy

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Jun 20, 2006
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Weird, it almost sounds like a POWER ISSUE such that when the pump kicks higher the fans can't get enough power?

Probably not, but here's some comments:

1. Double-check the connectivity (especially related to pump and how it gets power)
2. Double-check the fan profile
3. Is LINK the newest version?

4. Can you run the fans from the motherboard instead?

If the fans can be connected via a 4-pin PWM header then consider doing that. You'd then download the motherboard FAN SOFTWARE (see motherboard site) and setup a profile.

For motherboard you may need a 4-pin fan splitter (NEWEGG etc) if there's no CPU_Optional header.
 
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Solution
photonboy

photonboy

Titan
Jun 20, 2006
21,567
13
85,015
(I'll admit I'm confused on the configuration. Not sure if the USB cable is an optional supply for PUMP POWER such that you can use the CPU_FAN header just for the fans via motherboard software or not)

Update: http://www.corsair.com/en-us/hydro-series-h100i-v2-extreme-performance-liquid-cpu-cooler

The manual is a bit simple, but it mentions PUMP POWER coming from the CPU_FAN header, then the USB cable that is included. So I assume either works.

So AFAIK you can try two ways:
#1 - USB cable attached, and CPU_FAN attached to Corsair unit, and fans attached to Corsair unit (not motherboard)

#2 - USB cable attached, and CPU_FAN attached to fans (via splitter or use CPU_Optional header if there), fan control via motherboard software

Furthermore, I can't tell but I don't think the Corsair Link software gives as custom of a profile as you could do yourself.

So again, it seems like:
a) USB cable or CPU_FAN header can be used for PUMP POWER
b) USB cable is needed for Corsair Link (to use software)
 
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Dragonic

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Jan 14, 2016
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Hm... When I'm not in AIDA, I can set for both pump and fans to max out no problem. I connected the H100i v2 block in the "Pump" header instead of the "CPU_FAN", I'll try switching it.

Also, I conected the fans into the block for convinience. Theres already a sea of cables behind the mobo. Having to route other 2 cables would be messy...

And yes, I did connect the USB cable from the block in the mobo's usb 2.0 header.
 
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