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overclocking gigabyte and core i7 920

Discussion in 'Overclocking & Cooling' started by cegy, 8 Oct 2009.

  1. cegy

    Associate

    Joined: 7 Oct 2009

    Posts: 15

    Hi, i would like to have some help on overclocking my core i7 920 to the fastest speed possible :D also these are the specs i have which i hope these will help you to assist me.

    here are all the options i use at the moment which seems to be the best and power i got so far on my own. i have had it at 4 ghz but it keep getting error 124 but i thought it best to go up in steps i.e to 3.4, 3.6, 3.8 ghz etc.... cheers

    CPU Clock Ratio [20 X]
    CPU Frequency 3.20GHz(160x20)
    > Advanced CPU Features [Press Enter]
    QPI Link Speed [x36]
    QPI Link Speed(MT) 5.76GHz
    > UnCore & QPI Features [Press Enter]
    Base Clock(BCLK) Control [Enabled]
    BCLK Frequency(Mhz) [160]
    > Advanced Clock Control [Press Enter]
    Performance Enhance [Standard]
    Extreme Memory Profile(X.M.P.) [Disabled]
    System Memory Multiplier (SPD) [10.0]
    Memory Frequency(Mhz) 1066 1600
    DRAM Timing Selectable (SPD) [Expert]
    Profile DDR Voltage 1.5V
    Profile QPI Voltage 1.175V
    >>>>> Channel A
    CAS Latency Time 8 [ 8]
    tRCD 8 [ 8]
    tRP 8 [ 8]
    tRAS 20 [ 24]
    Command Rate(CMD) 1 [Auto]
    >>>>> Channel B
    CAS Latency Time 8 [ 8]
    tRCD 8 [ 8]
    tRP 8 [ 8]
    tRAS 20 [ 24]
    Command Rate(CMD) 1 [Auto]
    >>>>> Channel C
    CAS Latency Time 8 [ 8]
    tRCD 8 [ 8]
    tRP 8 [ 8]
    tRAS 20 [ 24]
    Command Rate(CMD) 1 [Auto]
    > Advanced DRAM Features [Press Enter]
    Voltages Types Normal Current
    ----------------------------------------------------
    Load-Line Calibration [Disabled]
    CPU Vcore 1.23125V [1.30000V]
    QPI/Vtt Voltage 1.175V [1.175V]
    IOH Core 1.100V [1.100V]
    DRAM Voltage 1.500V [1.600V]
    Advanced Voltage Control [Press Enter]

    CPU: Intel Core i7 920 D0 (160x21 3.36ghz with ht on and turbo on )
    Cooler: Corsair Hydro H50
    Motherboard: Gigabyte GA-EX58-UD3R v1.0 (bios is f8d )
    Ram: Corsair Dominator CM3X1G1866C9D (it can run at 1867 mhz with xmp on) only running at 1600mhz at 8-8-8-24 1T
    Case : Lancool k58
     
    Last edited: 8 Oct 2009
  2. kohlditz

    Mobster

    Joined: 27 Sep 2005

    Posts: 4,325

    Location: London innit

    I did it by setting CPU volts and QPI/Vtt to 1.3v, underclocking RAM to 6x and the corresponding multi to 2xRAM then increased BCLK to 150, 160, 170 etc til I was happy. Then drop BCLK down 5, tightened RAM speed up and timings especially. Finally worked the volts back down.