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Thread: Vcore Question




  1. #1
    Join Date
    Jul 2009
    Posts
    93

    Default Vcore Question

    I am overclocking an E8500 processor and have had problems getting past 4.0 GHz. In my BIOS I set the CPU Vcore to 1.25625. In EasyTune 6 it says 1.2375. CPUID says it is 1.22 and CPU-Z says 1.184 to 1.2. I even ran Prime95 and watched the Vcore and that is the readings. What is correct?
    GA-EP45-UD3P, Rev.1.6, BIOS FA,
    Intel E8500 Proc.@4256MHz
    Antec 900 Case
    Corsair 650 TX PSU
    Zalman CNPS9700 CPU Cooler
    OCZ Reaper DDR2 1066 4 GB RAM
    XFX Radeon 4850 1 GB Video Card
    3 160 GB Seagate Hard Drives
    Sony DRU-810A DVD Drive

  2. #2
    Join Date
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    Default Re: Vcore Question

    its best to go off what you enter in the bios,enable loadline calibration to stop vdroop when your on full load vdroop=a drop in cpu voltages when its running at full load
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  3. #3
    Join Date
    Jul 2009
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    93

    Default Re: Vcore Question

    I raised the Vcore to 1.325 in the BIOS and now Vcore in CPUz is at 1.28 to 1.296 .
    Last edited by WilliamP; 10-29-2009 at 02:11 AM.
    GA-EP45-UD3P, Rev.1.6, BIOS FA,
    Intel E8500 Proc.@4256MHz
    Antec 900 Case
    Corsair 650 TX PSU
    Zalman CNPS9700 CPU Cooler
    OCZ Reaper DDR2 1066 4 GB RAM
    XFX Radeon 4850 1 GB Video Card
    3 160 GB Seagate Hard Drives
    Sony DRU-810A DVD Drive

  4. #4
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
    Posts
    9,250

    Default Re: Vcore Question

    it could be because of vdroop that its showing slightly less
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  5. #5
    Join Date
    Jul 2009
    Posts
    93

    Default Re: Vcore Question

    There is some horror stories on line about Enabling Loadline Calibration.
    GA-EP45-UD3P, Rev.1.6, BIOS FA,
    Intel E8500 Proc.@4256MHz
    Antec 900 Case
    Corsair 650 TX PSU
    Zalman CNPS9700 CPU Cooler
    OCZ Reaper DDR2 1066 4 GB RAM
    XFX Radeon 4850 1 GB Video Card
    3 160 GB Seagate Hard Drives
    Sony DRU-810A DVD Drive

  6. #6
    Join Date
    Aug 2009
    Location
    Birmingham,Great Britain
    Posts
    9,250

    Default Re: Vcore Question

    you dont have to enable it just take it into account when entering cpu volts,i dont enable it on my board i dont need to
    Gigabyte z77x UP4-TH F11c Modded Bios
    Intel i7 3770k 24/7@4.8ghz 1.38v Turbo llc +0.165v dvid multithreading enabled
    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
    1xSamsung f4 HD204UI 2tb hard drive Storage
    Powercolor 7970 3gb V3 @1150mhz core/1700mhz mem,1.150v Accelero aftermarket air cooler 55c max
    Razer Lycosa Keyboard
    Logitech X-530 5.1 Speakers
    Lite-On iHAS124-19 24x Sata DVDRW
    K-World Hybrid DVB-T 210SE Digital T.V Card
    L.G E2260V L.E.D 1920x1080 Monitor
    Xfx Pro 750w silver rated Psu 80+
    Fractal Arc Midi Case

    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

    Lots Of Gaming Videos With X58 Ud5 System And Gpu On My Youtube Channel!!
    Just Uploaded New Battlefield 4 Video!!!!!!!!!!!!!!!!!!!!!!

  7. #7
    Join Date
    Jul 2009
    Posts
    93

    Default Re: Vcore Question

    I have raised Vcore to 1.3375 . Thanks for the help.
    GA-EP45-UD3P, Rev.1.6, BIOS FA,
    Intel E8500 Proc.@4256MHz
    Antec 900 Case
    Corsair 650 TX PSU
    Zalman CNPS9700 CPU Cooler
    OCZ Reaper DDR2 1066 4 GB RAM
    XFX Radeon 4850 1 GB Video Card
    3 160 GB Seagate Hard Drives
    Sony DRU-810A DVD Drive

  8. #8
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
    Join Date
    Jan 2008
    Location
    PCB Island
    Posts
    25,940

    Default Re: Vcore Question

    LLC is fine enabled, those stories are just that.

    For 4Ghz you may need 1.3+ actual so keep that in mind, Vtt will also need to be increased

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