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Thread: GA-EX58 extreme and Core I7 920 OC




  1. #1
    Join Date
    Jul 2009
    Posts
    3

    Default GA-EX58 extreme and Core I7 920 OC

    Hey there
    It's my first post here and I hope you guys will be able to give me some advice. Lets start with my pc:

    mobo: GA-EX58 extreme
    cpu: Core I7 920
    RAM: 6GB Corsair Dominator 1600 cl8
    graphic: evga 285 sli
    PSU: 800w tagan

    Everything enclosed in cosmos case (so its rather quite good air cooling) and big noctua cooler on cpu.
    The problem is, that Im having a hard time overclocking the cpu. I read quite a lot about this cpu and its oc possibilities and I managed to OC it to 3.8 but not too stable (my goal is 4.0). Here is what I set:

    QPIx36
    Bclk @ 190 x20
    Uncore @ 3800 MHz
    DDR V @ 1.66 (memory is working on its standard timings @ 1540 MHz with x8 multiplier)
    QPI/Vtt @ 1.5V
    CPU V @ 1.4
    all turbo modes and such are disabled

    No problem with booting to windows, but blue screens happen when playing or testing. What else I can do? Should I change something/add some voltage?
    I would appreciate any comments
    Last edited by skwarek; 07-20-2009 at 04:10 PM.

  2. #2
    Join Date
    Apr 2009
    Location
    Virginia
    Posts
    1,470

    Default Re: GA-EX58 extreme and Core I7 920 OC

    Did you turn off turbo? Here is a great I7 OC tutorial---->
    http://images.tweaktown.com/imageban...2.12_(ENG).pdf
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


  3. #3
    Join Date
    Jul 2009
    Posts
    3

    Default Re: GA-EX58 extreme and Core I7 920 OC

    Yeah, all turbo features are disabled. Well, I saw this guide earlier, even did exactly what they wrote there, but it was no luck for me, PC didnt boot. I think that the problem is in my CPU (C0/C1) I think I'll try to get my hands on D0, which is much better when it comes to OC.

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