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Thread: Controlling Fan Speed

  1. #1
    Join Date
    Jan 2009
    0 times in 0 posts

    Controlling Fan Speed

    I currently have 3 fans in my system

    AMD Phenom II 940
    Biostar TA790GX
    Coolermaster 690 case

    1 fan is the cpu fan 1 is an exhaust fan and I have recently put a kaze maru 140mm on the side panel of the case.

    With two fans CPU and Exhaust the system is quiet enough but I want to add a little bit more cooling without too much noise.

    My problem is that the kaze maru fan runs at full speed and I cannot adjust the speed.
    I have all three fans connected to the motherboard and I can only change the speed of the cpu fan?

    The cpu fan runs quite silent even at full speed so I dont need to change its speed the same with the exhaust fan.

    I have tried to use amd overdrive but when I change the fan speed it always changes the cpu fan?
    I tried a program called speed fan and the same occurs? both programs show 3 fans available to control but only the cpu fan changes speed no matter what you fan you select to decrease the speed of.

    any idea why I cannot change the speed?

  2. #2
    K22 is offline
    Join Date
    Apr 2006
    West Sussex
    9 times in 8 posts
    • K22's system
      • Motherboard:
      • DFI Lanparty NF4 SLI-DR
      • CPU:
      • Opteron 144 @ 2.9Ghz Watercooled
      • Memory:
      • Mushkin XP4400
      • Storage:
      • 250Gb Samsung Spinpoint
      • Graphics card(s):
      • Gainward 7900GTX
      • PSU:
      • OCZ ModStream 520w
      • Case:
      • Coolermaster ATCS-101
      • Monitor(s):
      • Sharp LL191-AB
      • Internet:
      • 8Mb

    Re: Controlling Fan Speed

    If the CPU fan is acceptably quiet at full speed, why not plug it into a different header, leaving you with a header which you can adjust to plug your kaze maru fan into.

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