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Complete n00b looking for some fan controller help! - Page 2

post #11 of 35
Sorry for the late reply. The Sunbeamtech RheoSmart will take the PWM fan signal from the mobo and use it to control regular 2 or 3 pin fans. They make a 3 channel 3.5" bay controller and a 5.25" 6 channel controller. Each channel handles 30 watts each, which is enough for multiple fans. Below each fan channel knob is a button. You can have the mobo PWM signal drive the fan or adjust it manually via the knob control.
     
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post #12 of 35
Thread Starter 
Quote:
Originally Posted by ezveedub View Post
Sorry for the late reply. The Sunbeamtech RheoSmart will take the PWM fan signal from the mobo and use it to control regular 2 or 3 pin fans. They make a 3 channel 3.5" bay controller and a 5.25" 6 channel controller. Each channel handles 30 watts each, which is enough for multiple fans. Below each fan channel knob is a button. You can have the mobo PWM signal drive the fan or adjust it manually via the knob control.
Thank you for the help! Does one PWM signal control all of the fans when all the controllers are set to auto mode? Is that a good idea to do? Thanks! I am pretty close to purchasing the Rheosmart....just trying to figure out all the other accessories that I will need to make it work. I will get some 3pin to 3 pin extension cables, is there anything else I should get that I will end up needing? Some temp probe for the mobo? Could someone provide a link to that?

THANK YOU!
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post #13 of 35
Just a little info on PWM. A 3 pin fan is basically + and - with RPM signal. Some motherboards control the power to the fan based off RPM signal and bios settings. With PWM fans, the blue 4th wire is a speed signal sent to the fan circuit directly and it regulates the power to the motor. This way, you can connect it direct to your PSU and have the mobo just tell it the speed to run at and not draw power from your mobo power circuits. This is good for high draw fans. You won't burn out or overload the mobo fan header circuit. AFAIK, if a PWM fan is plugged onto a 3 pin header, it defaults back to a normal 3 pin fan.
     
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post #14 of 35
Quote:
Originally Posted by GasMan320 View Post
Thank you for the help! Does one PWM signal control all of the fans when all the controllers are set to auto mode? Is that a good idea to do? Thanks! I am pretty close to purchasing the Rheosmart....just trying to figure out all the other accessories that I will need to make it work. I will get some 3pin to 3 pin extension cables, is there anything else I should get that I will end up needing? Some temp probe for the mobo? Could someone provide a link to that?

THANK YOU!
Yes, it will control all the fans if the channel button is set to Auto. You can several fan circuits for different fans, but it's a bit more involved. What I did on my HAF 932 was run all the large 200mm and larger fans directly to the PSU or mobo at full speed. Since I have a water-cooled system, the PWM signal for the CPU dan header drives the speed of the radiator fans. As load increases, so does the radiator fans.

http://www.newegg.com/Product/Produc...82E16811995075
Edited by ezveedub - 7/21/11 at 1:12pm
     
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post #15 of 35
Thread Starter 
Quote:
Originally Posted by ezveedub View Post
Yes, it will control all the fans if the channel button is set to Auto. You can several fan circuits for different fans, but it's a bit more involved. What I did on my HAF 932 was run all the large 200mm and larger fans directly to the PSU or mobo at full speed. Since I have a water-cooled system, the PWM signal for the CPU dan header drives the speed of the radiator fans. As load increases, so does the radiator fans.
Thank you, that helps make sense of it. Do you think it would be possible to connect all of my case fans in a way to the Rheosmart so that I could have them ALL controlled via the motherboard's PWM sensor? A lot of times the computer is idling and I don't want the fans going at full speed at those times. What supplies do you think I would need to pull this off besides the fan controller itself? Thank you!
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post #16 of 35
Quote:
Originally Posted by GasMan320 View Post
Thank you, that helps make sense of it. Do you think it would be possible to connect all of my case fans in a way to the Rheosmart so that I could have them ALL controlled via the motherboard's PWM sensor? A lot of times the computer is idling and I don't want the fans going at full speed at those times. What supplies do you think I would need to pull this off besides the fan controller itself? Thank you!
Yes, it will drive all the fans. The controller does come with some fan wiring adapters to wire up your mobo PWM header and split it again if needed to another PWM port is needed or drive a PWM fan. The wiring adapters are not sleeved though. I think it has fan extensions, but I don't remember if it has 6 of them, maybe just a few.
     
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post #17 of 35
Thread Starter 
Thanks again ezveedub. I ordered the Rheosmart and installed it. I have the PWM sensor connected to my motherboard's CPU_FAN1 port however my fans all run at full speed whenever I put them on auto (red lights) mode. Am I doing something wrong?
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post #18 of 35
Quote:
Originally Posted by GasMan320 View Post
Thanks again ezveedub. I ordered the Rheosmart and installed it. I have the PWM sensor connected to my motherboard's CPU_FAN1 port however my fans all run at full speed whenever I put them on auto (red lights) mode. Am I doing something wrong?
Check your mobo bios settings. The CPU fan should have SmartFan setting. Enable this setting. It should drive your fans based off CPU load. Also, for you to see fan RPM, you need a fan wire to send the signal back to the mobo.
Edited by ezveedub - 7/24/11 at 1:29pm
     
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post #19 of 35
Thread Starter 
Quote:
Originally Posted by ezveedub View Post
Check your mobo bios settings. The CPU fan should have SmartFan setting. Enable this setting. It should drive your fans based off CPU load. Also, for you to see fan RPM, you need a fan wire to send the signal back to the mobo.
Got it working, thanks! On my ASRock P67 Extreme4 I had to download and install a utility called ASRock eXtreme Tuning Utility (AXTU) and then set all the fans' target speed to Level 1. Before they were all set to max (Level 10) so thats why the PWM was unable to do anything.

Thank you! I love this fan controller. Now I wish there was only a way I could make it so the green LED never shows on the controller. I want red on PWM, and no light when its on manual. Know of a way that I could do that ezveedub? Thanks!
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post #20 of 35
Thread Starter 
Another question I had, for anyone who can answer:

Where can I find more of the cables that came with the Rheosmart 6 that allow you to power the fan from the controller but also have another attached cable that goes to your motherboard and reports RPMs? It's not a typical fan Y power cable because the part that connects to the motherboard doesn't draw any power from the motherboard.
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