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Thread: V-core fluctuates! Could this be linked to ...




  1. #1
    Join Date
    Mar 2003
    Posts
    95

    Default V-core fluctuates! Could this be linked to ...

    .....a string of system failures?

    During the past 12 months I have been hit by 3 horrible system 'meltdowns' each one requiring a new GFX card and CPU to be purchased. This expense has all but consumed my budget for a new rig ;[ so I am very keen to solve the mystery of what has caused these 3 seperate but very similar nightmares.

    Using PCWizard I have observed fluctuations in the CPU core voltage - 1.76v (default according to my mobo) flickers to 1.6v - 1.68v - 1.70v occasionally, could this be causing my problems?

    TYIA for any attempts to help, much appreciated.

    System Details_____________ (items in red have been replaced 3 times!)

    psu_______________________EnermaxNoiseTaker 320w
    mobo_____________________FIC HB11
    chipset____________________KT400
    cpu___________________Athlon XP 2000+ (Mobile Athlon 2.4 previously)
    ram______________________512mb Crucial pc2700
    vid card_______________GEForce 6600GT (agp)
    soundcard________________SBlaster Audigy2
    drives____________________80G WDigital, 100G Seagate, Sony DVD Rom
    crt______________________Viewsonic A71f+

  2. #2
    Join Date
    Sep 2002
    Location
    Central Alberta , Canada
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    1,019

    Default Re: V-core fluctuates! Could this be linked to ...

    I'd be having a look at replacing both the motherboard and the power supply unit. 320 watt is a bit on the weak side even if it is a good brand.
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  3. #3
    Join Date
    Apr 2005
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    Ontario, Canada
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    Default Re: V-core fluctuates! Could this be linked to ...

    Quote Originally Posted by PrairieDawg
    I'd be having a look at replacing both the motherboard and the power supply unit. 320 watt is a bit on the weak side even if it is a good brand.
    I agree 100%.
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  4. #4
    Join Date
    Mar 2003
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    95

    Default Re: V-core fluctuates! Could this be linked to ...

    Thanks for the replies chaps, and indeed I totally agree re the psu and mobo, in fact the whole box is way past its Sell By Date.

    So until I have saved up the necessary $$$ for a full system (about another 2 months to go) I am stuck with this one and quite fearfull of another 'meltdown' and another chunk being taken out of the kitty to patch this old box up again. ;[

    Im looking at the PCWizard display now and the vcore is flickering from 1.60v - 1.70v - 1.80v ! Anyone experienced this kind of thing or know if its soemthing to be concerned about ?

    Thanks again.

  5. #5
    Join Date
    Nov 2003
    Location
    Minnesota, United States
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    4,543

    Default Re: V-core fluctuates! Could this be linked to ...

    Quote Originally Posted by hooligun
    Im looking at the PCWizard display now and the vcore is flickering from 1.60v - 1.70v - 1.80v ! Anyone experienced this kind of thing or know if its soemthing to be concerned about ?
    That's a huge fluctuation. Honestly, I'd stop using the system unless you can fix it. Perhaps undervolting and, if necessary, underclocking the CPU would help prevent anything bad from happening.

  6. #6
    Join Date
    Mar 2003
    Posts
    95

    Thumbs up Re: V-core fluctuates! Could this be linked to ...

    OK thanks very much Yawgm0th, I shall underclock and reduce voltage then monitor with PCWizard again. I'll post back here anything that seems interesting or unusual.

    Any ideas where I might find a tutorial/info on further troubleshooting? I don't know very much about electrickery but this seems like a good time to change that.

    Thanks again.

  7. #7

    Default Re: V-core fluctuates! Could this be linked to ...

    I suggest getting a good PSU now, one that will work with your new system (native 24 pin). If this doesn't resolve your voltage problems, then it would have to point to your MB and it's voltage regulators.

    What do your other voltages do? Are they stable or do they fluctuate this bad as well?

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