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Thread: New built PC, overclock problem.




  1. #41
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    Default Re: New built PC, overclock problem.

    At 1.3875v what is your voltage in Windows? CPUID voltage? Get it around 1.34- 1.35v in Windows. Maybe your board really undervolts?
    Gigabyte EP45- UD3P
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  2. #42
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    Default Re: New built PC, overclock problem.

    i'm running 1.875 with my previous settings, and testing with OCCT so i cant open cpu-z. which program can i use to check other than that?

    Is it core voltage on everest?

  3. #43
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    Default Re: New built PC, overclock problem.

    Just wait till you're done and check then.
    Gigabyte EP45- UD3P
    E8500 Wolfdale @ 4.1ghz
    2x2gb G.Skill PC6400, DDR864, 5-4-4-12
    (3)- Samsung 320gb Spinpoint hdd's in Raid 5
    ASUS TOP 4850 w/Glaciator Fansink
    Lite-On 16x DVD x 2
    D-Tek Fuzion WB
    Thermochill PA120.2 radiator
    2x120 SFF21-F fans
    Liang D5 pump

  4. #44
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    Default Re: New built PC, overclock problem.

    http://img388.imageshack.us/img388/3489/97463295sf9.png
    I have this atm, since OCCT not done. not sure if it is

    CPU-Z reads core voltage as about 1.344,1.28 since it changes. Is it normal for the core voltage to drop to 1.296?
    Last edited by Leungwk01; 12-02-2008 at 01:06 AM.

  5. #45
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: New built PC, overclock problem.

    CPU-z can be opened with OCCT is running, why did you say you cannot?

    Yes, there will be a drop from BIOS to windows, this is Voffset/Vdrop. Then there will be another drop from Idle to load, this is called Vdroop. Both normal and purposefully designed to do so by Intel

    1.875???????? Hope that is a misprint

  6. #46
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    Default Re: New built PC, overclock problem.

    i can run it but theres like a error that pops up. so i didnt know if it would be accurate so i waited. thanks for clarifying.
    sorry it was 1.3875. Even if i did use cpu-z the voltage wouldnt be accurated since its under stress.
    i managed to drop my vcore to 1.391 or something. and its been running prime for nearly 8hours. Thats at 8x400
    Edit its been running for 17hours now :)
    Last edited by Leungwk01; 12-03-2008 at 12:25 AM.

  7. #47
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    Default Re: New built PC, overclock problem.

    Hmm, well that is odd. Are you using the latest CPU-z and OCCT?

    Nice to see you are getting somewhere! I would advise you use 399 or 401 or so instead of 400 as that may give you issues being right on the 400 strap line

  8. #48
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    Default Re: New built PC, overclock problem.

    i'm quite sure its the latest version since i downloaded it about 3weeks ago.
    I might keep the settings how they are, probably stick with 3.2 until i get better components. why do advice to change to 401? is the 1 really a big difference?

    Edit: the voltage was 1.39375v, had prime95 running for 21hours before i decided its enough.
    Last edited by Leungwk01; 12-03-2008 at 04:08 AM.

  9. #49
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    Default Re: New built PC, overclock problem.

    Well 400 exact is right on the strap line is why I suggested the change

    That is a good long run!

  10. #50
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    Default Re: New built PC, overclock problem.

    Oh i know what you mean now, sorry my mistake it was 402 as you told me or someone in another thread.
    Also before i said that the double/triple reboot wont happen if i don't turn the psu from the back off however since i haven't turned the computer off in 2days, i have found out that if i turn the power from the mains/wall the double/triple reboot thing will occur? anyone have solutions to the problem? only way i know is increasing memory multiplier to 2.5 or above. but it isn't recommended
    Here are my settings, and is there any way to tweak it more?

    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [8]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [402]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00]
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 5
    Dram RAS# to CAS# Delay_________ 5
    Dram RAS# Precharge Delay_______5
    Precharge Delay (tRAS)__________ 15

    ACT to ACT Delay (tRRD)_________ 4
    Rank Write to READ Delay________ 4
    Write to Precharge Delay_________ 8
    Refresh to ACT Delay______________ 60
    Read to Precharge Delay__________ 4
    Static tRead Value_______________ 10
    Static tRead Phase Adjust________ [Auto]

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.300V]
    PCI-E OverVoltage Control_ [+0.2V]
    FSB OverVoltage Control___ [+0.2V]
    (G)MCH OverVoltage Control [+0.2V]
    CPU Voltage Control_______ [1.39375v]

    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Disabled]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Enabled]
    Integrated Peripherals
    Legacy USB Storage Detect___________________[Disabled] *Note* Must be enabled to flash from USB
    Last edited by Leungwk01; 12-03-2008 at 07:27 AM.

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