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Thread: Asrock N68C-S UCC CPU Fan Issues




  1. #1
    LiamMcArthur is offline Junior Member
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    Default Asrock N68C-S UCC CPU Fan Issues

    Hi All,

    I recently purchased an Asrock N68C-S UCC motherboard as a replacement on my previous motherboard failing. I've managed to get my system fully up and running but the CPU fan seems to be spinning at a maximum speed all the time. I've tried changing the speed settings in the BIOS (levels 1-9) but none of these actually change the speed. Can anyone help?

    Regards,

    Liam

  2. #2
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Asrock N68C-S UCC CPU Fan Issues

    What brand/model number fan are you using?
    Does it have a 4-pin connector?
    Is the fan connected to the 4-pin CPU_FAN1 header?

    From your user manual, section 3.5, page 53:
    CPU Quiet Fan
    This item allows you to control the CPU fan speed and fan noise. If you set this
    option as [Disabled], the CPU fan will operate in full speed. If you set this
    option as [Enabled], you will find the items “Target CPU Temperature” and
    “Target Fan Speed” appear to allow you adjusting them. The default value is
    [Disabled]. You are allowed to enable this function only when you install 4-pin
    CPU fan.
    Target CPU Temperature
    The target temperature will be between 45 C/113 F and 65 C/149 F. The
    default value is [50 C/122 F].
    Target Fan Speed
    Use this option to set the target fan speed. You can freely adjust the
    target fan speed according to the target CPU temperature that you
    choose. The default value is [Fast]. Configuration options: [Fast], [Middle]
    and [Slow].
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  3. #3
    LiamMcArthur is offline Junior Member
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    Default Re: Asrock N68C-S UCC CPU Fan Issues

    The fan connector is a 3-pin connector that fits into the 4-pin CPU_FAN1 switch. I have manually enabled Quiet Fan to manually configure that fan speeds/temperature but even if I set the speed to level 1 it completely ignores it and continues to spin at full speed and at a high noise.
    Is there anything else I can try other than purchasing a new CPU fan with manual switches?

    Thanks,

    Liam

  4. #4
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Asrock N68C-S UCC CPU Fan Issues

    Some motherboards allow varying fan speed by PWM or voltage for 4-pin PWM fans.
    With a 3-pin, non PWM fan, your motherboard probably can't vary fan speed.
    From your motherboard manual:
    You are allowed to enable this function only when you install 4-pin CPU fan.
    You will have to use a manual fan controller to vary the fan speed or install a 4-pin PWM fan for your motherboard to automatically control the fan speed.
    From your description, it looks like you can enable the fan speed settings in the bios even though you are not connecting a 4-pin cpu fan to the fan header.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


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