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Thread: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)




  1. #11
    Lsdmeasap's Avatar
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    I would point your fan towards the back of the case, with the fan itself on the front side of the case/heatsink. So it blows thru the heatsink and out the back of the case. Like so >>>

    Back of case <<< AIR <<< Heatsink <<< Fan <<< AIR<<< Front of case

    You should also have a rear and front 120MM fan if you case can hold them to suck air in the front and blow air out the back
    Last edited by Lsdmeasap; 09-04-2008 at 05:14 PM.

  2. #12
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    think i was wrong.i use the cpu fan to draw the air frm heatsink...
    should blow the air through heatsink then the rear fan draw the air out right?
    gonna change it to9 again~~

  3. #13
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    Well both are right really, only a test would show which is better. Sometimes pull is better then push, sometimes push is better then pull. You just have to try both and see which is best with your fans, heatsink and case >>>

    Both below are Correct in reality, test to see which is cooler

    Push
    Back of case <<< AIR <<< Heatsink <<< Fan <<< AIR<<< Front of case

    Or

    Pull
    Back of case <<< AIR <<< FAN <<< Heatsink <<< AIR<<< Front of case

  4. #14
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    ok will get back to u later to9 =)

  5. #15
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    Good luck with redoing your paste, and your fan testing

    Ill see you later today or tonight as I am about to get out of here shortly

  6. #16
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    good news~my temp back to normal~i think i din set my heatsink tight enuf with the mobo hehe.
    anyway...the setting u gave me..when i run the stress test, although my temp is below 60c, but it failed...my pc hang
    here is my setting, plz advise~

    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [8]
    CPU Multiplier ______________ [0.5]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [400]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ 2.66 (2.66 X 400FSB = 1066 Ram) << This is the Ram Speed, This X FSB = Ram Freq
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 5 <----Follow the Ram
    Dram RAS# to CAS# Delay_________ 5 <----Follow the Ram
    Dram RAS# Precharge Delay_______ 5 <----Follow the Ram
    Precharge Delay (tRAS)__________ 15 <----Follow the Ram

    The below are ranges, set to highest first! Then lower one at a time testing between each move for errors With Memtest86+

    ACT to ACT Delay (tRRD)_________4
    Rank Write to READ Delay________ 11
    Write to Precharge Delay_________6
    Refresh to ACT Delay______________ 62
    Read to Precharge Delay__________ 6
    Static tRead Value_______________10 (Most Impact on Ram Performance, Too low WILL HARD FAIL)
    Static tRead Phase Adjust________ auto<< Leave on AUTO or Zero or 1-31

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ << This is your ram Voltage (Default is 1.8v) So +0.1V = 1.9V
    PCI-E OverVoltage Control_ +0.1v << For stability
    FSB OverVoltage Control___ +0.1v << For stability
    (G)MCH OverVoltage Control This is your Northbridge, 2x2GB ram needs some added usually +0.1V, 0.125V, 0.15V, or 0.2V. I would say start at .15 and then try lower later
    i set it 0.15

    CPU Voltage Control_______1.275

    still fail..any problem?

  7. #17
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    More Vcore for sure. Try 1.325, then lower if it boots until it does not. Then rasie back up a notch or two

    If 1.325 does not boot, try 1.4, if that fails then we will have to look at things a little harder, meaning Some of the above I cannot tell what your actual setting you are using is?

  8. #18
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    ya. i can boot into the windows with the setting above, but when i run prime95 for stress test then the pc hang....
    increase the vcore can stable it for sure?

  9. #19
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    Yes, what do you have it at now? Like I said you also did not copy ALL your settings above when you posted them back So I am not sure what all you are using, like MCH voltage

    Please post FULLY what exact settings you are using that is still failing, and I will answer you when I get back tonight.

    But yes you can add more vcore as long as your temps are good and you are not over 1.4 or so in windows at IDLE after Vdrop (Check with CPU-z what voltage you are actually getting when windows is loaded)

  10. #20
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    ya.i did write there~my mch voltage is 0.15. ram is 0.1. the rest are as shown there =)

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