MOVED: High voltage on Low Vdroop Setting P67A-GD65 + 2600k

This topic has been moved to Overclockers & Undervolting & Modding Corner.
https://forum-en.msi.com/index.php?topic=155777.0

To quote from a recent Ivye Bridge article:
Quote
Today Intel defines three different voltages for every Sandy Bridge CPU: LFM, nominal and turbo. LFM is the lowest frequency the CPU can run at (e.g. completely idle), nominal is the frequency it is specified to run at (e.g. 3.3GHz for a 2500K) and turbo is the highest available turbo frequency (e.g. 3.7GHz for a 2500K). Intel determines the lowest voltage possible for each one of those frequencies. Sandy Bridge obviously runs at more than just three frequencies, there are many more intermediate frequencies that it may run at depending on the current workload. The voltages at those intermediate frequencies are interpolated from the three points that I mentioned above.
There is no definition above that, and it becomes an extrapolation of a voltage above 3,7GHz. Considering that each CPU has slightly different characteristics, even within the defined frequency range, there is no knowing what each one will do and require outside that range. So the required voltage at those overclocked frequencies can vary quite a bit, and the extrapolated voltage range in auto voltage mode at a given frequency may not be enough for the individual sample, furthermore, it is limited in terms of the maximum it will consider and apply in auto mode. Once that critical point is reached, one has to be satisfied or resort to manual intervention.

Similar Messages

  • High voltage on Low Vdroop Setting P67A-GD65 + 2600k

    Dear members of the MSI-HQ user forum,
    My attempts on overclocking my 2600k processor has been stalled for quite some time now.
    I've been at 4.3GHz for a very long time because I wish to keep my Vcore set on Auto (I don't want my voltage set manually because it will remain at that voltage all the time).
    I've been playing around with a lot of settings and none of them have worked.
    The main problem is I want to be stable at 4.3GHz but with Vdroop set to Auto, it will only deliver 1.288V during a Prime95 torture test. 1.288V is not enough because after 10 min. I will get the 0x124 Bluescreen, which is too little Vcore. I have manually found out that 1.296V will do the trick! But again this is set manual... After switching to Vdroop set to Low Vdroop the Vcore voltage JUMPS to 1.42V during stress test (Prime95 & IBT)!! Waaaay too high. This will only get worse if I set my processor speed to 4.4GHz, Vcore will then be 1.44/1.45V and so on..
    Bios is updated to version 1.H. I updated from 1.8 to 1.C to 1.H, didn't make any difference. I've also played around with bios settings but nothing solves my problem. Eup 2013, spread spectrum, C1E, Overspeed protection all disabled. Tried all C1 states. PLL overvoltage disabled & enabled. Memory both tested @ 1333MHz & 1600MHz auto&linked settings (according to spec). And so on.
    I really want to overclock further then 4.3GHz (at least that one stable) using Auto Vcore. Or my voltage is too low (Vdroop set to auto) or too high (Vdroop set to Low). Please help :(
    My system specs are:
    Windows 7 64Bit
    Intel i7 2600k
    MSI P67A-GD65 (B3)
    Corsair XMS3 8GB 1600MHz dual channel memory kit

    To quote from a recent Ivye Bridge article:
    Quote
    Today Intel defines three different voltages for every Sandy Bridge CPU: LFM, nominal and turbo. LFM is the lowest frequency the CPU can run at (e.g. completely idle), nominal is the frequency it is specified to run at (e.g. 3.3GHz for a 2500K) and turbo is the highest available turbo frequency (e.g. 3.7GHz for a 2500K). Intel determines the lowest voltage possible for each one of those frequencies. Sandy Bridge obviously runs at more than just three frequencies, there are many more intermediate frequencies that it may run at depending on the current workload. The voltages at those intermediate frequencies are interpolated from the three points that I mentioned above.
    There is no definition above that, and it becomes an extrapolation of a voltage above 3,7GHz. Considering that each CPU has slightly different characteristics, even within the defined frequency range, there is no knowing what each one will do and require outside that range. So the required voltage at those overclocked frequencies can vary quite a bit, and the extrapolated voltage range in auto voltage mode at a given frequency may not be enough for the individual sample, furthermore, it is limited in terms of the maximum it will consider and apply in auto mode. Once that critical point is reached, one has to be satisfied or resort to manual intervention.

  • MOVED: what is the difference between MSI P67A-GD65 with P67A-GD65(B3)

    This topic has been moved to Intel Core-iX boards.
    https://forum-en.msi.com/index.php?topic=148725.0

    Quote
    P67A and P67A-GD65-GD65 (B3)
    What exactly are you talking about?  
    Quote
    please help me
    Help you with what? Help you how?

  • P67A-GD65 2600K - Help overklocking with auto Vcore.

    Hey!
    What I want to do is to reach a stable clock of 4,5ghz while having Vcore set to auto. Why I want to do that is ofcourse for the vcore to be as low as possible during idle, afterall since I leave my computer on 24/7 it spends most of the time in idle.
    Right now I'm at 4,3ghz with the settings I will list below. I'm not ready to declare it to be stable just yet, but it finished 9,5h of Prime 95 Blend overnight. Read alot about BSOD's when it's idle though but so far I'm good in that aspect aswell.
    When I first tried 4,3ghz I got BSOD with the code 0x124. Read up on it some and took my PLL Voltage off Auto and changed to 1,550000 and it's been fine since then. If I try 4,4ghz though I get the same thing and lowering PLL Voltage again did nothing and obv I can't just increase the Vcore since I want it on auto. Any tips on the matter would be greatly appreciated.
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    Overclocking
    CPU Base Frequency [10kHz]   [10000]
    Adjust CPU Ratio         [34]
    Adjust CPU Ratio in OS      [Disabled]
    Internal PLL Overvoltage      [Auto]
    EIST               [Enabled]
    Intel Turbo Boost         [Enabled]
    DRAM Frequency         [AUTO]
    Extreme Memory Profile (X.M.P)   [Enabled]
    DRAM Timing Mode         [Link]
    Spread Spectrum         [Disabled]
    VDroop Control         [Auto]
    CPU Core Voltage         [AUTO]
    CPU I/O Voltage         [Auto]
    DRAM Voltage         [AUTO]
    System Agent Voltage    (SA)      [Auto]
    CPU PLL Voltage         [1.550000V]
    PCH 1.05            [Auto]
    DDR_VREF_CA_A         [Auto]
    DDR_VREF_CA_B         [Auto]
    DDR_VREF_DA_A         [Auto]
    DDR_VREF_DA_B         [Auto]
    Overclocking/Advanced DRAM Configuration
    2,9,9,9,24, the rest on Auto
    Overclocking/CPU Features
    Hyper-threading          [Enabled]
    Active Processor Cores      [All]
    Limit CPUID Maximum      [Disabled]
    Execute Disable Bit         [Enabled]
    Intel Virtualisation Tech      [Enabled]
    Intel VT-D Tech         [Disabled]
    Power Technology         [Custom]
    C1E Support            [Enabled]
    Overspeed Protection         [Enabled]
    Intel C-State            [Enabled]
    Package C State Limit      [No Limit]
    Long Duration Power Limit (W)   120
    Long Duration Maintained (ms)   1000
    Long Duration Power Limit (W)   130
    Primary plane turbo power limit   0
    1-Core Ratio Limit         43
    2-Core Ratio Limit         43
    3-Core Ratio Limit         43
    4-Core Ratio Limit         43
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    Greenpower - web.comhem.se/tnt/Greenpower.JPG
    Overclocking 1 - web.comhem.se/tnt/Overklocking.JPG
    Overclocking 2 - web.comhem.se/tnt/Overklocking2.JPG
    CPUfeatures - web.comhem.se/tnt/CPUfeatures.JPG

    Quote from: Soilworker on 14-September-11, 22:49:36
    Tried the settings you recommended and I think they would be stable, but for 4,4ghz my vcore was 1,432 under load and I dont feel comfortable with it that high. Tried turning Vdroop back to auto and then the Vcore under load was 1.298 but that seemed to be too low as I got a BSOD with 0x124 after only ~2mins of Blend in Prime.
    Also, when disabling Turbo Boost the options for individual cores and for the "duration limits" 120/1000/130 is no longer there. Changed it to the values you said before turning boost off though but I doubt it did any difference?
    Yup! Stop: 124 is not enough CPU V. Your CPU is unfortunately not going to play nice it appears. Just a guess, but have the feeling 4.2 (maybe 4.3) is going to be it's limit & keep around the recommended maximum of 1.400v's at heavy load. To be honest, after the durations disappear after the disable, I don't know if those settings are then still in affect. Recommend to keep the VDroop set to 'Low'.

  • I7-2600k and P67A-GD65 (B3) OC Vdroop voltage offset?

    I'm looking to get a stable 42x OC out of my 2600k, I'm using a P67A-GD65(B3) with the latest BIOS(4.3). I currently have a 40x OC via the turbo multipliers. I want the CPU to underclock and undervolt when idle in the interest of heat and lifespan, so I want to leave the multiplier and vcore on Auto. Currently, auto vcore with this 40x OC results in 1.256V under full load. With a manual OC (multiplier and vcore), I was able to get 40x stable at 1.185V.
    I understand this motherboard does not have a voltage offset function, but from my research Vdroop can do a similar thing? If I wanted to offset my vcore by -0.050V what would I set the Vdroop to?

    Quote from: Chike on 30-March-15, 04:37:00
    Vdroop should never be negative, but why not just vcore to whatever you want?
    With EIST and c-state CPU multiplier and voltages should change according to load.
    I know but with vcore on auto it uses a lot more voltage than is necessary. I want to use as little voltage as possible to keep temperatures down and have the CPU last a while. 
    When I manually set vcore, the CPU will underclock when idle, but voltage will stay at whatever value I set. I have all the power saving stuff, EIST, C1E, C-state, etc enabled.
    My question is if it is possible to use the Vdroop function to decrease the voltage under load?

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     Terminal 
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     Motion Encoder Context 
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    37
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    Training and Certification
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  • MOVED: changing voltage msi 670 pe oc

    This topic has been moved to Overclocking, Undervolting.
    https://forum-en.msi.com/index.php?topic=162617.0

    Quote
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    This topic has been moved to Overclockers & Undervolting & Modding Corner.
    https://forum-en.msi.com/index.php?topic=159595.0

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