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Overclocking Help

  • 07-11-2009 3:07pm
    #1
    johnc24
    Registered Users, Registered Users 2 Posts: 410 ✭✭


    Hi all

    I have been looking around at overclocking tutorials and tips etc.

    However I am still a bit confused, some tutorials say adjust only the FSB by increments of 10Mhz, reboot to failure, clear CMOS, enter BIOS again and take it back a notch before failure.

    Others are much more detailed talking about FSB, voltages and other bits and pieces.

    Anyone care to try and simplify all this for me?

    Also I have a OC Genie fucntion on my mobo but I understand I will only gain a
    small increase using this method....

    Rig:

    CPU: Intel Core i5 750 @ 2.67GHZ
    CPU Cooler: Scythe ZIPANG 2
    Motherboard: MSI P55- GD65
    GPU: HD Radeon 4670
    RAM: Kingston 2GB DDR3 1066MHz i5 Memory Module CL7 1.5V X 2
    PSU: Corsair HX650
    Case: Storm Scout

    Thanks
    John


Comments

  • #2
    PogMoThoin
    Closed Accounts Posts: 13,874 ✭✭✭✭PogMoThoin


    Forget about this oc genie, overclocks are best done manually. I've not oc'ed an icore series cpu so I'm not really much good with helping You but generally You just push fsb slightly until it fails, then You up the voltage slightly to push it through.


  • #3
    Leman_Russ
    Closed Accounts Posts: 680 ✭✭✭Leman_Russ


    Rawr!

    Here is what I did:

    Set the voltages to auto.
    Go into the frequency control and set it to 200x20 (4GHz, you don't really want any more do you?).
    Turn OFF Speedstep (EIST), C1 state, C3/C6 state and turn off Load Line Calibration.
    Boot.
    Use CPUz to check what voltages you are at.
    Go back to the bios, set your vCore to 1 step below what CPUz said.

    Boot, Check CPUz Voltage, repeat.

    Once you BSOD or fail to boot, up the vcore by 1 step, boot up and run Prime 95 to check stability. If not stable, up the vcore by 1 step at a time until stable.

    Or just use the OCGenie if you don't feel comfortable mucking about in the BIOS.


  • #4
    johnc24
    Registered Users, Registered Users 2 Posts: 410 ✭✭johnc24


    I dont mind mucking around with the BIOS, but I am apprehensive that I may bust it all up, although unlikely.

    failure to boot seems to be the main thing with all this experimentation right?


  • #5
    youcancallmeal
    Registered Users, Registered Users 2 Posts: 8,108 ✭✭✭youcancallmeal


    Thought I might revive this thread as I'm doing some overclocking at the moment myself and setup is similar to the OP.

    CPU: Intel Core i5 750 @ 2.67GHZ
    CPU Cooler: Coolermaster Hyper 212 Plus
    Motherboard: MSI P55- GD80
    GPU: nVidia GTX280
    RAM: Corsair Dominator DDR3 1600MHz 4GB CL8
    PSU: Corsair HX850

    I did everything Leman_Russ mentioned except the C3/C6 part because I couldnt find that option in my bios? Anyway I set the core voltage to 1.26v(Shows as 1.28 in cpuz) and set the FSB to 137x20 (2.74GHz). Did a bit of testing and everything looked fine and stable. Then I pushed it up to 141x20 (2.82GHz). Again everything looked fine and stable but after playing C&C Red Alert 3 for about an hour I noticed some artifacting, it really shouldnt be a problem for my system even on max settings @ 1650x1080?

    Edit: I've also read around that disabling load line calibration is a contentious issue. Some people say it causes vdroop if disabled and voltage spikes if enabled?


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