corsair H110i power and fan control

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fishburger

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Feb 11, 2017
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I just put togeter my new computer
asus rog swift z270f
intel i7 7700 kaby-lake
corsairvenegance ram 3200ghz
asus rog swift 1070 gpu

the problems is as follow the corsair h110i has a pover connector same as you use for cd player and ssd disks + two connectors for suppling the two fan on the radiator,that means you dont hook the waterpump and the two fans to the motherboard,then ther is one usb connector from the pumphousing which you hook up to usb port on the mother board,In asus fan control I see the pump running at constant speed 2300rpm (aio)pump and have no way to control the speed of the pump does anyone have a solution to this problem?
 
Solution
raisonjohn
Your whole setup runs at 100% full speed as the SATA (via direct connection to the PSU) powers your AIO system (including the radiator fans). The fan connector of the H110i (coming from the pump and connected to your motherboard header) does nothing but to report the speed at which the AIO system is operating. The only way to control/set speeds of the H110i is via the CorsairLink (which is what the USB2.0 cable connected to your motherboard header is for).

However, ideally, you want the pump of the H110i (which is a non-variable pump) to run at 100% constant speed; while you want the radiator fans to run at variable speed (depending on temps). I would suggest using your available fan headers in that Z270F for this purpose:

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raisonjohn

raisonjohn

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Your whole setup runs at 100% full speed as the SATA (via direct connection to the PSU) powers your AIO system (including the radiator fans). The fan connector of the H110i (coming from the pump and connected to your motherboard header) does nothing but to report the speed at which the AIO system is operating. The only way to control/set speeds of the H110i is via the CorsairLink (which is what the USB2.0 cable connected to your motherboard header is for).

However, ideally, you want the pump of the H110i (which is a non-variable pump) to run at 100% constant speed; while you want the radiator fans to run at variable speed (depending on temps). I would suggest using your available fan headers in that Z270F for this purpose:

Connect the H110i to the AIO_PUMP header.
Connect the 2x Radiator Fans to the CPU_FAN and/or CPU_OPT (not via the cable splitter connected to the AIO pump).
Connect the rest of your case fans in the other headers of your mb (CHA_FAN1, CHA_FAN2).
Control the FANS via Asus Software/BIOS. Let the AIO PUMP run at 100%.
 
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The_Staplergun

The_Staplergun

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No. The fans need to be controlled by the pump. The pump temp is the controlling system. There's this cool thing called a PQ curve. If you push the fans at 100% it won't properly cool.

Hook the system up the way it was designed. Don't run the pump at 100% all the time. Run it in silent mode when you're not doing intensive stuff a lot. Try running it in silent mode first anyways and see what your temps are under load. Let corsair link control the curves based on premade settings for the fans.
 
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raisonjohn

raisonjohn

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I don't get it. The system WAS designed to run AT full speed (hence, Corsair included the SATA power connection and lack of PWM functions). Why would you not run the AIO pump at 100% if it is a non-variable pump? The pump flow rate of the H110i doesn't even reach more than Q=0.25gpm (relatively slow flow) based on tests, so, what would be the reason of lowering the Q even further?
 
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The_Staplergun

The_Staplergun

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You don't get a car and floor the accelerator everywhere you go. You accelerate when needed. Excess wear and tear.

It does do PWM if there are 4 pins. It's the pump that controls it. The pumps temp dictates the temp sent to the fans for their speed.
 
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raisonjohn

raisonjohn

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But if your car already runs slow at 2mph max. as it was designed to do, why would you have it run at a much slower pace? Isn't it more of a problem when it comes to non-variable pumps/motors that damage would more than likely occur if you change its supposedly constant rpm and voltage?

Btw, the Corsair H110i has a SATA power cable which splits into 2x 3-pin male (for the rad fans) and also splits into a single-cabled 3-pin female plug that goes into a motherboard header. I am quite sure that this single cable only sends the speed signal of the pump to the motherboard -- but not be able to control it. Since the H110i was designed to have a SATA power connection, isn't it not that the pump is supposed to be run at 100%?
7320_11_corsair-hydro-h110i-gtx-high-performance-liquid-cpu-cooler-review_full.jpg
 
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fishburger

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Hi all I got it sorted vent in to corsair homepage and downloaded Corsair link 4 (mybad) I can now see the pump and speed and also the cpu temp,it even showes up in asus ai3 on the correct place.the pump runs at 2300rpm but max is 2400,but the pumphouse has a led that change colors from green(cold)to yellove (ok) and red (hot) only need to check the colore to see if every thing is running ok,fancy pump.
 
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fishburger

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Those connectors is supposed to be hooked up to the radiator fans on the corsair h110i,and the usb line from the pump goes to a usb port on the mb there is also a singelwire connector this is the cpu temp ,connect to temp on mb.
ihad a problem to day could not boot after post due to the stupid bios and mb guide,solved it by connecting front panel fan to cpu fan header,it seems the cpu in bios needs to be fed some signals that the fan is up and running before mb and bios will behave in a correct way,asus have to come up with a new bios to correct this item,In the mb guide it says that you can turn this signal off in bios but that is not correct,
 
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ItsCrosby

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I've got a similar set up. Do I not put the pump/sata connection into CPU_Fan then? I put it in the AIO_PUMP and then the two radiator fans into CPU_FAN and CPU_OPT. Just to clarify.
 
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