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Thread: GA-P55A-UD4 & i7 860 - stuck on OC




  1. #1
    Join Date
    Nov 2009
    Location
    The Netherlands
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    Default GA-P55A-UD4 & i7 860 - stuck on OC

    Hi All, I'm trying to tweak my brand new motherboard! I'm really liking it so far, but i'm a bit stuck on my OC.

    Trying to keep all power-saving & turbo features enabled, and get the max stable OC possible. Its running at around 3.45ghz with std multiplier (x22) upto around 4ghz with only one thread(x26). If i raise the bclk one more (from 157 to 158) i get random freezes (eventho linx can do 20 passes). What can i try to get a bit higher? My goal is to reach about 165/170 bclk & 4.5ghz with max multiplier (x26) Temperatures are still really safe & around 70c on full linx load.

    My setup;
    Mobo... Gigabyte GA-P55A-UD4, bios F5
    RAM... Kingston 4GB DDR2000 Cas 8 Kit (KHX2000C8D3T1K2/4GX)
    CPU... Intel Core i7 860
    Cooler... TRUE Rev.C dual fan
    GFX... ATI Radeon 4850
    HDD... Samsung Spinpoint F1 750gb x2 (raid)
    Case... CM Storm Scout
    PSU... Corsair HX520

    Basic Bios settings changed;

    Intel(R) Turbo Boost Tech................[Enabled]
    CPU Cores Enabled........................[All]
    CPU Multi-Threading......................[Enabled]
    CPU Enhanced Halt (C1E)..................[Enabled]
    C3/C6/C7 State Support...................[Enabled]
    CPU Thermal Monitor......................[Auto]
    CPU EIST Function........................[Enabled]
    Bi-Directional PROCHOT...................[Auto]

    QPI Clock Ratio..........................[Auto]
    QPI Link Speed........................
    Uncore Clock Ratio....................[32x]
    Uncore Frequency.........................

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

    Base Clock (BCLK) Control................[Enabled]
    BCLK Frequency ..........................[157]
    Extreme Memory Profile (X.M.P.)..........[Disabled]
    System Memory Multiplier (SPD)...........[10.0]
    Memory Frequency (MHz)................1570
    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:

    Extreme Memory Profile (X.M.P.)..........[Disabled]
    System Memory Multiplier (SPD)...........[10.0]
    Memory Frequency (MHz)................1570
    Performance Enhance (SPD)............. [Standard]
    DRAM Timing Selectable (SPD)............ [Quick]
    Profile DDR Voltage .................. 1.5V
    Profile QPI Voltage .................. 1.1V
    Channel Interleaving.....................[Auto]
    Rank Interleaving........................[Auto]

    >>>>> Channel A & B

    Channel A Timing Settings [Press Enter]:
    Cas Latency Time........................[6]
    tRCD....................................[6]
    tRP.....................................[6]
    tRAS...................................[18]


    >>>>> 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 [Auto]

    >>>>> Misc Timing Control

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

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

    >>>>> Channel A Writes Followed By Writes

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


    Advanced Voltage Settings:

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

    >>> CPU
    Load Line Calibration...................[Enabled]
    CPU Vcore..................1.25625V..[normal]
    [+1.0000v]
    QPI/VTT Voltage..........1.100v.....[1.36v]
    PCH Core....................1.050v.....[1.05v]
    CPU PLL......................1.800v.....[1.8v]

    >>> 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..............[Disabled]

  2. #2
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
    Posts
    9,250

    Default Re: GA-P55A-UD4 & i7 860 - stuck on OC

    to clock any higher youll need to come off cpu normal voltage and disable c1e and eist,what cpu volts are you using now?
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  3. #3
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Jan 2008
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    Default Re: GA-P55A-UD4 & i7 860 - stuck on OC

    +10 ^^^

    To run 4+ GHz you are going to have to disable C1E and EIST for sure

  4. #4
    Join Date
    Nov 2009
    Location
    The Netherlands
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    Default Re: GA-P55A-UD4 & i7 860 - stuck on OC

    I've been tinkering quite a bit and i've actually managed to get it a bit higher & stable.

    I'm still running with EIST & C1E on, and its all good :)

    BCLK is now 165, multi at 21x ofcourse. so default speed is at 22x = 3630mhz, going upto 4290 at 26x. Upped the voltage to normal + 1.000v (full load this gives around 1.39v on 1 thread, on 8 threads its 1.36), lowered the timings to 6-7-6-19, and temps with 20 linx runs are around 80 degrees. Other things changed; uncore at x36, VTT at 1.33v, DRAM at 1.64v.

    Really loving this motherboard!

  5. #5
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Jan 2008
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