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Thread: Gigabyte UD5 overclocking; strange voltages




  1. #1
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    Question Gigabyte UD5 overclocking; strange voltages

    Since I didn't see a generic UD5 OC thread, I thought I'd post my settings / problems here. I hope this is the right place.

    Voltage issue: When I OC (18x200 right now, 3600MHz, RAM @ 1600 7/7/7/21) I noticed that everything worked fine as long as I kept voltages on AUTO. I managed to fix the CPU voltage to 1.35 in the BIOS (1.28 in CPUz under load) and everything still worked fine.
    The deal where I couldn't change QPI voltage etc. still kind of bugged me though, me being the kind of person that wants to know how/why things work/fail to work.
    When I finally installed EasyTune6 to get some details on voltages and whatnot, I saw (to my great surprise) that the BIOS on AUTO set my vDIMM to 1.79v (up from 1.5), and my QPI is now at 1.42(boot) to 1.52(target), which seems VERY high to me as well seeing as how everywhere I read a QPI of around 1.35 as max.
    I quickly manually set my vDIMM back to 1.66, which seems to be PRIME stable, but QPI at 1.42v gives me a BSOD.

    What should I do about these voltages?


    (IOH core is set to 1.32v @ AUTO as well)
    Last edited by Bugenhagen; 04-08-2009 at 03:47 AM.

  2. #2
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    Default Re: Gigabyte UD5 overclocking; strange voltages

    Quote Originally Posted by Bugenhagen View Post
    Since I didn't see a generic UD5 OC thread, I thought I'd post my settings / problems here. I hope this is the right place.

    Voltage issue: When I OC (18x200 right now, 3600MHz, RAM @ 1600 7/7/7/21) I noticed that everything worked fine as long as I kept voltages on AUTO. I managed to fix the CPU voltage to 1.35 in the BIOS (1.28 in CPUz under load) and everything still worked fine.
    The deal where I couldn't change QPI voltage etc. still kind of bugged me though, me being the kind of person that wants to know how/why things work/fail to work.
    When I finally installed EasyTune6 to get some details on voltages and whatnot, I saw (to my great surprise) that the BIOS on AUTO set my vDIMM to 1.79v (up from 1.5), and my QPI is now at 1.42(boot) to 1.52(target), which seems VERY high to me as well seeing as how everywhere I read a QPI of around 1.35 as max.
    I quickly manually set my vDIMM back to 1.66, which seems to be PRIME stable, but QPI at 1.42v gives me a BSOD.

    What should I do about these voltages?


    (IOH core is set to 1.32v @ AUTO as well)

    Yes thats true
    For a neat overclock u have to set it manually
    With auto under 200bclk the temps used to touch 100 allof the four cores
    so i set it manually to all of them my temps now r under 90
    Make sure u updated to the latest bios

    ♥♥♥♥♥

  3. #3
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    Default Re: Gigabyte UD5 overclocking; strange voltages

    Quote Originally Posted by prasrig View Post
    Yes thats true
    For a neat overclock u have to set it manually
    With auto under 200bclk the temps used to touch 100 allof the four cores
    so i set it manually to all of them my temps now r under 90
    Make sure u updated to the latest bios

    ♥♥♥♥♥
    I did update to the latest BIOS. I'm just wondering whether or not these voltages are strange, and what I should set them to. ATM I'm running QPI @ 1.50, but I fear this is a tad bit high...

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Gigabyte UD5 overclocking; strange voltages

    Please give me your full settings you are using and I will advise. Yes, they are likely all a bit too high, some maybe way to high when left in Auto.

    Please also link me to your ram or give me the model #

    About QPI Voltage, 1.5 is likely way more then you need and a failure at 1.42 may have nothing to do with that actual setting. Less can be better then more for sure, your failure at lowering it may be due solely to other settings being to high or incorrect. I had been using 1.34-1.375 QPI/Vtt for several 3.8-4.2 setups (190-200 Blck) and found this past week that only going lower then that would allow those same setups to use 200-210 Blck range. So just keep in mind failure does not always mean that something needs more voltages

    This is Just a template I use to ask people their settings, pay no attention to the numbers in it, replace with yours

    Code:
    Advanced CPU Features:
    CPU Clock Ratio ................................ [20x]
    Intel(R) Turbo Boost Tech .................. [Enabled]
    CPU Cores Enabled ............................ [All]
    CPU Multi Threading .......................... [Enabled]
    CPU Enhanced Halt (C1E) ................... [Disabled]
    C3/C6/C7 State Support .................... [Disabled]
    CPU Thermal Monitor ......................... [Enabled]
    CPU EIST Function ............................ [Disabled]
    Virtualization Technology ................... [Enabled]
    Bi-Directional PROCHOT ..................... [Enabled]
    
    
    Uncore & QPI Features:
    QPI Link Speed .............................. x36
    Uncore Frequency ..........................  (Always 2x memory Multi or 2x +1)
    Isonchronous Frequency ..................[Enabled]
    
    
    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) .....................
    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]
    IOH Clock Skew ............................. [0ps]
    
    
    Advanced DRAM Features:
    Performance Enhance ...................... [Standard]
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    System Memory Multiplier (SPD) ........ [AUTO]
    DRAM Timing Selectable (SPD) .......... [Manual]
    
    Channel A + B + C
    
    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ......................
    tRCD .......................................
    tRP .........................................
    tRAS .......................................
    
    ##Channel A Advanced Timing Control##
    tRC ........................................  (Should be = tRAS + tRP or above for stability)
    tRRD .......................................
    tWTR ......................................
    tWR ........................................
    tWTP .......................................
    tWL ........................................   (tWTP Must = tWR + tWL + 4)
    tRFC .......................................
    tRTP .......................................
    tFAW ......................................
    Command Rate (CMD) ................
    
    ##Channel A Misc Timing Control##
    Round Trip Latency ...................
    
    
    
    Advanced Voltage Control:
    
    CPU
    Load Line Calibration ................. [Disabled]
    CPU Vcore ...............................
    QPI/VTT Voltage 1.150v ............
    CPU PLL 1.800v .......................
    
    MCH/ICH
    PCIE 1.500v ...........................
    QPI PLL 1.100v .......................
    IOH Core 1.100v .....................
    ICH I/O 1.500v .......................
    ICH Core 1.1v ........................
    
    DRAM
    DRAM Voltage 1.500v ..............
    DRAM Termination 0.750v [AUTO]
    Ch-A Data VRef. 0.750v [AUTO]
    Ch-B Data VRef. 0.750v [AUTO]
    Ch-C Data VRef. 0.750v [AUTO]
    Ch-A Address VRef. 0.750v [AUTO]
    Ch-B Address VRef. 0.750v [AUTO]
    Ch-C Address VRef. 0.750v [AUTO]

  5. #5
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    Default Re: Gigabyte UD5 overclocking; strange voltages

    Advanced CPU Features:
    CPU Clock Ratio ................................ [18x]
    Intel(R) Turbo Boost Tech .................. [Disabled]
    CPU Cores Enabled ............................ [All]
    CPU Multi Threading .......................... [Enabled]
    CPU Enhanced Halt (C1E) ................... [Enabled]
    C3/C6/C7 State Support .................... [Disabled]
    CPU Thermal Monitor ......................... [Enabled]
    CPU EIST Function ............................ [Disabled]
    Virtualization Technology ................... [Enabled]
    Bi-Directional PROCHOT ..................... [Enabled]


    Uncore & QPI Features:
    QPI Link Speed .............................. x36
    Uncore Frequency .......................... (x16)
    Isonchronous Frequency ..................[Enabled]


    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) ..................... [200]
    PCI Express Frequency (MHz) ........... [Auto]

    C.I.A.2 [Disabled]

    Advanced Clock Control:
    CPU Clock Drive ..............................[800mV]
    PCI Express Clock Drive ................... [900mV]
    CPU Clock Skew ............................. [0ps]
    IOH Clock Skew ............................. [0ps]


    Advanced DRAM Features:
    Performance Enhance ...................... [Standard]
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    System Memory Multiplier (SPD) ........ [8x]
    DRAM Timing Selectable (SPD) .......... [Quick]

    Channel A + B + C

    Channel A Timing Settings:

    ##Channel A Standard Timing Control##
    CAS Latency Time ...................... [7]
    tRCD ....................................... [7]
    tRP ......................................... [7]
    tRAS ....................................... [16]

    ##Channel A Advanced Timing Control##
    tRC ........................................ [Auto]
    tRRD ....................................... [Auto]
    tWTR ...................................... [Auto]
    tWR ........................................ [Auto]
    tWTP ....................................... [Auto]
    tWL ........................................ [Auto]
    tRFC ....................................... [Auto]
    tRTP ....................................... [Auto]
    tFAW ...................................... [Auto]
    Command Rate (CMD) ................ [1]

    ##Channel A Misc Timing Control##
    Round Trip Latency ................... [Auto]



    Advanced Voltage Control:

    CPU

    Load Line Calibration ................. [Disabled]
    CPU Vcore ............................... [1.35]
    QPI/VTT Voltage 1.150v ............ [1.50]
    CPU PLL 1.800v ....................... [1.80]

    MCH/ICH
    PCIE 1.500v ........................... [1.50]
    QPI PLL 1.100v ....................... [1.10]
    IOH Core 1.100v ..................... [1.32]
    ICH I/O 1.500v ....................... [1.50]
    ICH Core 1.1v ........................ [1.10]

    DRAM
    DRAM Voltage 1.500v .............. [1.66]
    DRAM Termination 0.750v [AUTO]
    Ch-A Data VRef. 0.750v [AUTO]
    Ch-B Data VRef. 0.750v [AUTO]
    Ch-C Data VRef. 0.750v [AUTO]
    Ch-A Address VRef. 0.750v [AUTO]
    Ch-B Address VRef. 0.750v [AUTO]
    Ch-C Address VRef. 0.750v [AUTO]</pre>


    My memory is OCZ DDR3 PC3 12800 Platinum 6GB Low Voltage
    Thanks a lot for helping me out!
    Last edited by Bugenhagen; 04-09-2009 at 01:01 AM.

  6. #6
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    Default Re: Gigabyte UD5 overclocking; strange voltages

    Here Is my Settings
    Ud5 & Extreme are more of it same only

    Advanced CPU Features:
    CPU Clock Ratio ................................ [20x]
    Intel(R) Turbo Boost Tech .................. [Disabled]
    CPU Cores Enabled ............................ [All]
    CPU Multi Threading .......................... [Enabled]
    CPU Enhanced Halt (C1E) ................... [Enabled]
    C3/C6/C7 State Support .................... [Disabled]
    CPU Thermal Monitor ......................... [Enabled]
    CPU EIST Function ............................ [Disabled]
    Virtualization Technology ................... [Enabled]
    Bi-Directional PROCHOT ..................... [Enabled]


    Uncore & QPI Features:
    QPI Link Speed .............................. x36
    Uncore Frequency .......................... (x18)
    Isonchronous Frequency ..................[Enabled]


    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) ..................... [200]
    PCI Express Frequency (MHz) ........... [101]

    C.I.A.2 [Disabled]

    Advanced Clock Control:
    CPU Clock Drive ..............................[800mV]
    PCI Express Clock Drive ................... [900mV]
    CPU Clock Skew ............................. [0ps]
    IOH Clock Skew ............................. [0ps]


    Advanced DRAM Features:
    Performance Enhance ...................... [EXTREME](I never use less than extreme)
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    System Memory Multiplier (SPD) ........ [8x]
    DRAM Timing Selectable (SPD) .......... [Expert]


    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ...................... [8]
    tRCD ....................................... [8]
    tRP ......................................... [8]
    tRAS ....................................... [20]
    Command Rate (CMD) ................ [1]

    Channel B Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ...................... [8]
    tRCD ....................................... [8]
    tRP ......................................... [8]
    tRAS ....................................... [20]
    Command Rate (CMD) ................ [1]

    Channel C Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ...................... [8]
    tRCD ....................................... [8]
    tRP ......................................... [8]
    tRAS ....................................... [20]
    Command Rate (CMD) ................ [1]

    ##Channel A+B+C Advanced Timing Control##
    tRC ........................................ [Auto]
    tRRD ....................................... [Auto]
    tWTR ...................................... [Auto]
    tWR ........................................ [Auto]
    tWTP ....................................... [Auto]
    tWL ........................................ [Auto]
    tRFC ....................................... [Auto]
    tRTP ....................................... [Auto]
    tFAW ...................................... [Auto]
    Round Trip Latency ................... [Auto]



    Advanced Voltage Control:

    CPU
    Load Line Calibration ................. [Enabled](Keep this Always enabled)
    CPU Vcore ............................... [1.29..]
    QPI/VTT Voltage 1.150v ............ [1.38]
    CPU PLL 1.800v ....................... [1.60]

    MCH/ICH
    PCIE 1.500v ........................... [1.500]
    QPI PLL 1.100v ....................... [1.10]
    IOH Core 1.100v ..................... [1.10]
    ICH I/O 1.500v ....................... [1.50]
    ICH Core 1.1v ........................ [1.10]

    DRAM
    DRAM Voltage 1.500v .............. [1.64]
    DRAM Termination 0.750v [AUTO]
    Ch-A Data VRef. 0.750v [AUTO]
    Ch-B Data VRef. 0.750v [AUTO]
    Ch-C Data VRef. 0.750v [AUTO]
    Ch-A Address VRef. 0.750v [AUTO]
    Ch-B Address VRef. 0.750v [AUTO]
    Ch-C Address VRef. 0.750v [AUTO]

    Thats all I Able to boot and go for benchmarks

    Check this if not i will give u saved bios..................

    ♥♥♥♥♥

  7. #7
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    Default Re: Gigabyte UD5 overclocking; strange voltages

    Those settings don't work for me :( Don't even get a POST at your settings and at 18x instead of 20x it BSODs

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