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Thread: G31M-GS R2.0 CPU Fan noise




  1. #1
    Robbiemackem1877 is offline Junior Member
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    Default G31M-GS R2.0 CPU Fan noise

    Hi all, I'm new here and I'm no Computer freak so perhaps you knowledgeable people can help me with a problem. My PC MB went bust and I couldn't replace like with like, so got the Techie to get the best MB suited to the Hardware I had. He came up with this Asrock MB. All the original Hardware has been installed. Now I have a problem with excessive CPU Mastercooler Fan noise. I took a look at the situation using the OC Tuner and didn't like what I found but don't know how to deal with it.
    The Fan is running at 4100rpm, Target CPU Fan Speed Level 10-- which puts it deep in the Red zone -CPU Speed/ Overclocking is 2800Mhz +/-.well into the Red--- Target CPU Temp is 50C/122F. Present CPU Temp is 29C/84F --MB Temp is 25C/77F My Processor is Intel Pent D 2.8Ghz
    CPU Frequency is showing 200 CPU Ratio is 14.0 CPU Overclocking PCIE Frequency is showing 100Mhz (almost in Red zone)
    I don't run/play any Games--just have NVIDIA GeForce 7300 LE OS is Windows XP Home SP3
    All these Settings Figures are as they came back after install of the MB---but are they correct?
    If I reduce the CPU Fan Speed to Level 7---which reduces it to 3000 rpm that's quiet. But, do I have to make any changes/ reduction, to Target CPU Temp to compensate for slower Fan speed? To get the CPU OC just out of the Red I have to reduce CPU Frequency from 200 to 175 which brings the CPU Speed down 2500Mhz --How will that affect the PC, and it's capabilities? Hope you can help an inexperienced user. Thanks in advance
    PS I can upload a profile of the PC if it would help.
    Attached Images Attached Images G31M-GS R2.0  CPU Fan noise-oc-tuner-settings-jpg 
    Last edited by Robbiemackem1877; 10-31-2012 at 12:39 AM. Reason: Add PS

  2. #2
    parsec's Avatar
    parsec is offline Senior Member
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    Default Re: G31M-GS R2.0 CPU Fan noise

    It sounds like you are using the stock, standard Intel CPU cooler, or one that has a small fan, if it runs at 4000 RPM. That will be noisy, as usual for smaller fans.

    If you OC your CPU, it will run hotter, when it is at idle (low load) and under higher demand, than a CPU that is not OC'd. If you OC, you should have a better CPU cooler, if you want both lower CPU temperatures, and lower fan noise.

    With the CPU cooler you have now, you will need to choose to compromise one factor for the others. High OC and lower CPU temperature, means more fan noise. High OC and less fan noise, means higher CPU temperature. Lower CPU temperature and lower fan noise, means a lower or no OC.

    So with you current CPU cooler (what is it?) if you want low fan noise and low CPU temperatures, reduce the OC.

  3. #3
    Robbiemackem1877 is offline Junior Member
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    Default Re: G31M-GS R2.0 CPU Fan noise

    Hi Parsec, thanks for informative reply. The Fan is just a cheap chunk of Plastic--chinese..typical HP stuff---found out a lot about them since they refused to repair my Code Purple problem---reason for new MoBo! Anyway I have the Fan running quiet now---reduced to 2500 rpm at Level 6--I reduced the OC to 190 which is just into the Red---and the Target CPU Temp to 45C.
    Guess I'll be better off buying a decent Fan.
    Excuse what may be a dumb question, but, why should the thing be overclocking if I have a 2.8Ghz Processor? If I reduce the overclocking to zero sotospeak, surely the Processor should be running at 2.800Mhz anyway! But if I do that, I don't get 2800--why not? Seems strange to have to overclock to get what should be normal--! Does that indicate maybe a problem with the CPU somewhere ?
    Perhaps I should get some basic PC Engineering Schooling !!

  4. #4
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: G31M-GS R2.0 CPU Fan noise

    parsec is a pretty good teacher.
    Hang around the forum long enough and you'll get a good education.
    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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  5. #5
    parsec's Avatar
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    Default Re: G31M-GS R2.0 CPU Fan noise

    Quote Originally Posted by profJim View Post
    parsec is a pretty good teacher.
    Hang around the forum long enough and you'll get a good education.
    ... parsec is a pretty good teacher. A pretty good teacher? I also see what you're doing there, but I won't let that cause me to withhold my sage advice. I would think that you would know more about relatively vintage systems like Robbiemack's than I.

    Robbiemack, if your CPU's standard operating speed is 2.8GHz (we really don't know what model CPU you have, there are several Pentium D CPUs that are specified to operate at 2.8GHz), then you have never had it over clocked at all. We can see that in your screen shot of the ASRock OC Utility. The meter's position if the "red zone" is arbitrary and does not necessarily mean your CPU is over clocked (clearly it isn't), over stressed, or near a limit of its operation. What really matters is the CPU operating frequency, for example 2.8GHz, not some (IMO) silly meter in the OC utility display.

    Reducing the CPU's speed also slows down how fast it does work. How much this will affect you and your PC depends upon what kind of things you do on your PC. What do you use it for? I don't see any high CPU use programs in the shortcuts on your screen.

    Depending on the model of your CPU, some of the 2.8GHZ Pentium D's have a power saving option called SpeedStep, that automatically switches the CPU's speed from a lower to higher speed, depending on the load on the CPU. Having that option enabled would also lower the CPU temperature, and fan noise too. The fan would only be louder when the CPU is under a heavy load. But we don't know the model number, so I don't know if you have that feature. Then again, I am also assuming your CPU cooler has an automatically controlled fan speed, which depends on the fan, the board, the BIOS, and the fan control software. I'll look up your board, but any other information you can provide will help.

  6. #6
    profJim's Avatar
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    Default Re: G31M-GS R2.0 CPU Fan noise

    Look at parsec's and my PC Specs and the level of detail we've provided.
    When you provide detailed hardware information including the brand and model, we can better help you.
    Some forum posters try to help but their posts are very wordy, too bad they haven't learned to be short and sweet.
    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
    .


  7. #7
    Robbiemackem1877 is offline Junior Member
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    Default Re: G31M-GS R2.0 CPU Fan noise

    Quote Originally Posted by parsec View Post
    ... parsec is a pretty good teacher. A pretty good teacher? I also see what you're doing there, but I won't let that cause me to withhold my sage advice. I would think that you would know more about relatively vintage systems like Robbiemack's than I.

    Robbiemack, if your CPU's standard operating speed is 2.8GHz (we really don't know what model CPU you have, there are several Pentium D CPUs that are specified to operate at 2.8GHz), then you have never had it over clocked at all. We can see that in your screen shot of the ASRock OC Utility. The meter's position if the "red zone" is arbitrary and does not necessarily mean your CPU is over clocked (clearly it isn't), over stressed, or near a limit of its operation. What really matters is the CPU operating frequency, for example 2.8GHz, not some (IMO) silly meter in the OC utility display.

    Reducing the CPU's speed also slows down how fast it does work. How much this will affect you and your PC depends upon what kind of things you do on your PC. What do you use it for? I don't see any high CPU use programs in the shortcuts on your screen.

    Depending on the model of your CPU, some of the 2.8GHZ Pentium D's have a power saving option called SpeedStep, that automatically switches the CPU's speed from a lower to higher speed, depending on the load on the CPU. Having that option enabled would also lower the CPU temperature, and fan noise too. The fan would only be louder when the CPU is under a heavy load. But we don't know the model number, so I don't know if you have that feature. Then again, I am also assuming your CPU cooler has an automatically controlled fan speed, which depends on the fan, the board, the BIOS, and the fan control software. I'll look up your board, but any other information you can provide will help.
    Hi Parsec----thanks for the "Vintage" comment! I came late to Computers--4yrs ago, --don't have the finance for the rigs you and ProfJim have, and don't have the requirement for such. I' near 71, but can still learn, which will help me keep my "Vintage" box running. I only use my PC for Family research, Info off the 'net and writing up Data from my researches. Photographic use too. I'm not into stupid games--hence I don't need any flash gear! I have a second PC --also Vintage"a Fujitsu - Siemens Esprimo 5905 (P)----which I'm going to hook up to this one as a Database for saving all my research.
    Anyway back to the point--The CPU is Pent D 915(P) DC 2.8Ghz. Attach part 1 of PC profile G31M-GS R2.0  CPU Fan noise-comp-profile-1-jpg

  8. #8
    parsec's Avatar
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    Default Re: G31M-GS R2.0 CPU Fan noise

    Hi RobbieM, thanks for the information, it helps.

    Frankly, you did not seem to be whom you really are, given my perception, which was just plain wrong. Glad you explained that.

    So you have a Pentium D 915, which you can reference here if you like:

    ARK | IntelŪ PentiumŪ D Processor 915 (4M Cache, 2.80 GHz, 800 MHz FSB)

    The good news, IMO, is that your CPU supports a feature called SpeedStep. That is a power saving option (saving power is big in the Euro-zone these days, right?) that automatically throttles the CPU's speed depending on the current demand for processing power. That CPU can switch to it's low power mode, running at ~1.6GHz (not sure what a 915's lower speed is), and will change immediately to it's full speed of 2.8GHz when more processing power is needed.

    I mention this since your first post was about preventing excessive fan noise. Under low load, the CPU will be cooler and the fan need not run so fast. That is, if the CPU fan is able to be automatically controlled. Yes, you can adjust it yourself, but automatic control is more convenient, IMO. That is our next research topic, to figure out specifically what CPU cooler you have, and what type of fan it has. We also need to check your board to see if it has a four pin CPU fan header (connector), also called a PWM fan header.

    Also, do you have a copy of your mother board's manual (download from your board information page at ASRock), and have you ever used your boards BIOS before?

    By the way, do not worry about appearing ignorant (meaning lack of knowledge, not stupidity), and be sure to tell us what YOU want to do, not necessarily what we suggest you do. For example, you may not want your CPU's speed to throttle up and down, that's your choice.

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