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Thread: P55 ud3p :overclocking help




  1. #1
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    Exclamation P55 ud3p :overclocking help

    my pc:
    core i5 750
    P55-UD3P bios :f6a
    OCZ Obsidian 4GB (2 x 2GB)
    HD4870.


    this is my setting . and it passed IBT 10 times. but vcore is so high . please check help me my setting. thx .


    Advanced Frequency Settings:

    CPU Clock Ratio 20x

    Advanced Core Features [Press Enter]:

    Intel(R) Turbo Boost Tech................[disabled]
    CPU Cores Enabled........................[All]

    CPU Enhanced Halt (C1E)..................[disabled]
    C3/C6/C7 State Support...................[Auto]
    CPU Thermal Monitor......................[Auto]
    CPU EIST Function........................[disabled]
    Bi-Directional PROCHOT...................[Auto]

    QPI Clock Ratio..........................[x36]
    QPI Link Speed........................[5.76ghz]
    Uncore Clock Ratio....................[16x]
    Uncore Frequency.........................xxxxMHz

    >>>>> Standard Clock Control <<<<<

    Base Clock (BCLK) Control................[Enabled]
    BCLK Frequency ..........................[200]
    System Memory Multiplier (SPD)...........[8]
    Memory Frequency (MHz)................1333 1600
    PCI Express Frequency (MHz)..............[100]
    C.I.A.2..................................[Disabled]

    >>>>> Advanced Clock Control <<<<<

    CPU Clock Drive..........................[ 800mV]
    PCI Express Clock Drive..................[ 900mV]
    CPU Clock Skew...........................[ 0ps]

    Advanced Memory Settings:

    System Memory Multiplier (SPD)...........[8]
    Memory Frequency (MHz)................1333 1600
    Performance Enhance (SPD)............. [Standard]
    DRAM Timing Selectable (SPD)............ [quick]
    Profile DDR Voltage ..................1.5v
    Profile QPI Voltage ..................1.1v
    Channel Interleaving.....................[6 Auto]
    Rank Interleaving........................[4 Auto]

    >>>>> Channel A & B

    Channel A Timing Settings [Press Enter]:
    Cas Latency Time........................[9 ]
    tRCD....................................[9 ]
    tRP.....................................[9 ]
    tRAS...................................[24 ]

    >>>>> Advanced Timing Control

    tRC....................................[33 Auto]
    tRRD...................................[4 Auto]
    tWTR...................................[5 Auto]
    tWR....................................[10 Auto]
    tWTP...................................[21 Auto]
    tWL....................................[7 Auto]
    tRFC...................................[74 Auto]
    tRTP...................................[5 Auto]
    tFAW...................................[20 Auto]
    Command Rate (CMD).................. 1 [1 auto]

    >>>>> Misc Timing Control

    B2B Cas Delay..........................[- Auto]
    Round Trip Latency.....................[49 Auto]

    Channel A Turnaround Settings [Press Enter]:
    Different DIMMs........................[6 Auto]
    Different DIMMs........................[5 Auto]
    On The Same Rank.......................[1 Auto]

    >>>>> Channel A Writes Followed By Writes

    Different DIMMs........................[6 Auto]
    Different DIMMs........................[6 Auto]
    On The Same Rank.......................[1 Auto]


    Advanced Voltage Settings:

    ******Mother Board Voltage Control ******
    Voltage Types............Normal......Current
    --------------------------------------------

    >>> CPU
    Load Line Calibration...................[auto]
    CPU Vcore..................1.28125v..[1.561xxv]
    QPI/VTT Voltage..........1.100v.....[1270v]

    >>> MCH/ICH
    PCH Core....................1.050v.....[1.160v]
    CPU PLL......................1.800v.....[1.860v]

    >>> DRAM
    DRAM Voltage..............1.500v.....[1.660v]
    DRAM Termination.........0.750v.....[Auto]
    Ch-A Data VRef............0.750v.....[Auto]
    Ch-A Data VRef............0.750v.....[Auto]
    Ch-B Data VRef............0.750v.....[Auto]
    Ch-B Data VRef............0.750v.....[Auto]


    Miscellaneous Settings:[/SIZE]

    Isochronous Support....................[Enabled]
    Virtualisation technology..............[Enabled]

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: P55 ud3p :overclocking help

    Try more QPI/Vtt and then less Vcore, your settings don't look bad other than that.

    Maybe your CPU just does not like 200 Bclk or 20 CPU Multi (Some do not like Odd value multi's) so try more or less Bclk or a different CPU multi (like 19 or 21) and you should then need less Vcore

  3. #3
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    Default Re: P55 ud3p :overclocking help

    Try more QPI/Vtt and then less Vcore, your settings don't look bad other than that.

    Maybe your CPU just does not like 200 Bclk or 20 CPU Multi (Some do not like Odd value multi's) so try more or less Bclk or a different CPU multi (like 19 or 21) and you should then need less Vcore
    Tried but it couldnt. maybe my cpu is so bad ?

    and if i want to overlock my ram to 2000mhz , i need to put more QPI/VTT Voltage right?

    :)

  4. #4
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    Default Re: P55 ud3p :overclocking help

    Ya, you will need more QPI/Vtt for 2000Mhz.

    Did you need that much Vcore on older BIOses? Just wondering, as that is a LOT!

    How is your temps?

    Try a differnt CPU multi, some do not like Even number multi for the CPU multi so that could be why you need so much Vcore

  5. #5
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    Default Re: P55 ud3p :overclocking help

    Ya, you will need more QPI/Vtt for 2000Mhz.

    Did you need that much Vcore on older BIOses? Just wondering, as that is a LOT!

    How is your temps?
    oh,thanks for replying.

    i can get 4ghz with 1.38 vcore when Load line calibration enables , but temp is so high > 85 C
    and when Load line calibration disable, i tested 25 times with Intel burn test and max temp was 81 c



    Try a differnt CPU multi, some do not like Even number multi for the CPU multi so that could be why you need so much Vcore
    trying but still got no luck .:(

  6. #6
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