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Thread: P67A UD4 B3 VTT voltage reading question




  1. #11
    Chike is offline Senior Member
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    Default Re: P67A UD4 B3 VTT voltage reading question

    Maybe ET6 monitor tab will show it, you should have it in PC Health too.
    I mean default settings as in optimized defaults, no OC whatsoever, try to disable XMP too.
    Could be a BIOS bug, or defect with the board or the sensor reading is wrong, in any case 1.08v should not be a concern.

  2. #12
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    Default Re: P67A UD4 B3 VTT voltage reading question

    in ET6 Tuner tab/advance button/voltages tab. the column on the left you can ignore. the column on the right is what should be set in bios at that moment.
    yup, thats where i saw the VTT voltage, w/c is set to 1.050

    Maybe ET6 monitor tab will show it, you should have it in PC Health too.
    I mean default settings as in optimized defaults, no OC whatsoever, try to disable XMP too.
    Could be a BIOS bug, or defect with the board or the sensor reading is wrong, in any case 1.08v should not be a concern
    ill try default settings once im done with stress testing :)

  3. #13
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    Default Re: P67A UD4 B3 VTT voltage reading question

    here's what i have observed

    Bios F3B
    All Auto except LLC=Disabled | VTT 1.050v | System Agent 0.925v | PCH 1.050v | PLL 1.8v | DRAM 1.5v
    ET6 1.050v | Aida64 1.056v ~ 1.068v

    Optimized Defaults / No OC / XMP Disabled | VTT on Bios=Auto | ET6 1.050v | Aida64 1.068v
    45x100 Vcore1.270v | Vdroop1.260v | Bios/ET6 1.050v | Aida64 1.068v ~ 1.080v
    45x100 Vcore1.285v | Vdroop1.272v | Bios/ET6 1.050v | Aida64 1.068v ~ 1.080v
    45x100 Vcore1.320v | Vdroop1.308v | Bios/ET6 1.050v | Aida64 1.080v

  4. #14
    Chike is offline Senior Member
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    Default Re: P67A UD4 B3 VTT voltage reading question

    I uees it is best to wait for other users with the same board, but also submit a question to GIGABYTE support.

  5. #15
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: P67A UD4 B3 VTT voltage reading question

    This is normal, all boards will vary a little bit between what you set and what you get for any voltage.

    So it looks like your board overvolts Vtt by .018-.03, that is minor, just adjust accordingly. Like if you want 1.05 Vtt set a little bit less than that

  6. #16
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    Default Re: P67A UD4 B3 VTT voltage reading question

    Voltages reported by a motherboard will never be 100% precise. Add to that the fact that 0.03V is a minute variance, discrepancies are bound to be seen in some cases.

    Personally I'd carry on setting what ever desired value you want in the BIOS, and would only decide to adjust any values I set after actually verifying the VTT with a good quality multi-meter. Compensating using an uncertain reading isn't really of much use, as for all we know, the board could be under volting VTT by 0.01V and the board cound be over reporting by 0.04V, or any similar scenario. Until you test/if you test with a DMM, you just won't know.
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  7. #17
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    Default Re: P67A UD4 B3 VTT voltage reading question

    thanks for the reply guys :) i forgot to add, bios reports 1.088v on VTT but it shouldnt be a concern anymore because my system is stable

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