My corsair h60 is already set up but the pc was prebuilt and they made several questionable decisions with wiring and things of that nature. So I want to know the ideal setup for this cooler as far as connections. Right now the cable coming from the heatsink is connected to the CPU fan header. I assume that is the pump. I turned smart control off in the bios because I think that makes it run full speed and its set on PWM. The second cable which I believe is the radiator, the large black box is connected to sysfan3 dc with smart control off. And the other cable which appears to be for the fan is connected to sysfan 2 again with smart control off and set to dc. Can someone help me with this confusing stuff? Is this optimal? Does turning smart control off make fans run full speed? Do all these need to be set to DC or PWM?
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Corsair H60 fan setup
- Thread starter spyguy
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zoltan.boese
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- Jan 30, 2018
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As long as your CPU temps are below 85°C it is safe. If you want to tweak your settings, feel free to use the links above.
Also noticing that my cpu vid is fluctuating right up towards the max and back down after turning off cpu fan smart control. When they set up the pc could the pump settings affect the cpu voltage? I'm so new at all of this but this is the first time I checked the cpu vid closely
packersfan036
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- May 27, 2015
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zoltan.boese
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- Jan 30, 2018
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3 pins are enough to set the voltage and fan speed. The 4th pin is usually there to have a feedback.
Read this thread: http://www.tomshardware.co.uk/answers/id-3287302/control-pin-fans.html
This system can be a bit confusing, and even the Corsair installation video contains an error.
First, the basic concepts behind power and control of this system. There are TWO things to plug in, and both are of the older 3-pin fan type. The cable from the pump unit mounted on the CPU powers only the pump, and it is supposed to feed the full 12 VDC supply at all times so the pump always runs full speed. The fan on the radiator plugs in separately, and it is THIS item's speed that is used to control cooling of your CPU. Hence it is important that the RAD FAN is plugged into the CPU_FAN header, because that's the header that is guided by the temperature sensor built into the CPU chip. Then in BIOS Setup for that header it must be set to use the normal automatic fan speed control profile, and to use the older Voltage Control Mode (aka DC Mode) to do this - NOT the new PWM Mode. NOTE this about failure detection. The CPU_FAN header usually pays extra attention to the speed of whatever is plugged into the CPU_FAN header. If it ever fails to get a speed signal there, it understands that means that all cooling for the PCU chip has failed and it probably is headed for dangerous overheating very soon. So it normally will send you a warning. Some mobos also will wait only a short time, then shut down completely without even waiting for the CPU chip's internal temperature sensor to indicate that overheating has reached a limit. With your rad fan plugged into this header, FAN failure will trigger this process. But a failure of the PUMP will not be detected by this header.
Now that leaves the Pump supply cable. It can plug into any mobo fan header. BUT if your mobo has a CPU_OPT or PUMP header, it is better to use that. That way when you are checking fan speeds you can remember that the speed shown on that header (say, the PUMP header), is really the speed of the pump, and you'll know whether it is working. ALSO note that, if this unit fails to send a speed signal to this header the warnings will be issued, BUT it probably will not take a drastic step and shut you down quickly. YOU will be responsible for taking appropriate action if the pump fails.
Regarding configuration of the mobo header used to supply the PUMP unit, it should be set to run at maximum speed at all times. Now, it happens that his is a 3-pin device, so if your header is configured to use the PWM Mode of control, that will force the pump to run full speed all the time no matter what speed you try to set there, and that actually is what you want.
First, the basic concepts behind power and control of this system. There are TWO things to plug in, and both are of the older 3-pin fan type. The cable from the pump unit mounted on the CPU powers only the pump, and it is supposed to feed the full 12 VDC supply at all times so the pump always runs full speed. The fan on the radiator plugs in separately, and it is THIS item's speed that is used to control cooling of your CPU. Hence it is important that the RAD FAN is plugged into the CPU_FAN header, because that's the header that is guided by the temperature sensor built into the CPU chip. Then in BIOS Setup for that header it must be set to use the normal automatic fan speed control profile, and to use the older Voltage Control Mode (aka DC Mode) to do this - NOT the new PWM Mode. NOTE this about failure detection. The CPU_FAN header usually pays extra attention to the speed of whatever is plugged into the CPU_FAN header. If it ever fails to get a speed signal there, it understands that means that all cooling for the PCU chip has failed and it probably is headed for dangerous overheating very soon. So it normally will send you a warning. Some mobos also will wait only a short time, then shut down completely without even waiting for the CPU chip's internal temperature sensor to indicate that overheating has reached a limit. With your rad fan plugged into this header, FAN failure will trigger this process. But a failure of the PUMP will not be detected by this header.
Now that leaves the Pump supply cable. It can plug into any mobo fan header. BUT if your mobo has a CPU_OPT or PUMP header, it is better to use that. That way when you are checking fan speeds you can remember that the speed shown on that header (say, the PUMP header), is really the speed of the pump, and you'll know whether it is working. ALSO note that, if this unit fails to send a speed signal to this header the warnings will be issued, BUT it probably will not take a drastic step and shut you down quickly. YOU will be responsible for taking appropriate action if the pump fails.
Regarding configuration of the mobo header used to supply the PUMP unit, it should be set to run at maximum speed at all times. Now, it happens that his is a 3-pin device, so if your header is configured to use the PWM Mode of control, that will force the pump to run full speed all the time no matter what speed you try to set there, and that actually is what you want.
- Jan 26, 2020
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Hey just replying to this old topic, but i have a question about the RADIATOR fan your suppose to plug into the CPU_fan header. In the bios should this be set to PWM with smart fan control off or on? Also, the pump fan, you said it should run on PWM if possible. When i set this pump header to PWM it doesn't allow me to adjust any levels of power, on PWM or DC mode, if it doesn't allow me can i assume its running at full speed like you said it should?
Thank you
My reply above was specifically for the OP's Corsair H60 system. In that system the rad fan supplied is a 3-pin fan, so the CPU_FAN header it plugs into MUST be set to use the older Voltage Control Mode (aka DC Mode). If YOUR cooler system, matthewreck, has THREE-pin fans on the radiator, use that Mode; IF your rad fans are FOUR_pin ones, set the CPU_FAN header to use PWM Mode.
If your mobo has a PUMP header, VERY often it is set NOT to use any automatic control of speed so that the pump always does run full speed. So yes, you can assume your PUMP header is doing that. To check, see what speed it tells you the pump is running. Most pumps will run about 2000 to 3000 RPM all the time.
If your mobo has a PUMP header, VERY often it is set NOT to use any automatic control of speed so that the pump always does run full speed. So yes, you can assume your PUMP header is doing that. To check, see what speed it tells you the pump is running. Most pumps will run about 2000 to 3000 RPM all the time.
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