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Thread: Please help me overclock my E8600 with EP45-UD3P Mobo

  1. #11
    Join Date
    Dec 2008

    Default Re: Please help me overclock my E8600 with EP45-UD3P Mobo

    Quote Originally Posted by SpeedEuphoria View Post
    So what are you doing to say its stable?

    For me I like to do 8hrs of prime or OCCT or both. Some people just do 2hrs and say its good, while others do 24hrs. Basically how many hours doesnt matter, what matters is that it does pass at least 1-2hrs, then it should play all your games or Fold w/o issue. If you have random issues its not stable and I would adjust something till those issues go away. Again running a stress test for 8hrs should be plenty.
    Thank you for your input Speed! i am a newbie so pointing out about stability issue was right.
    I ran OCCT for 6hours, and passed it. I guess then it's stable?
    but after i passed the test, while i was playing COD5, it crashed and rebooted and lock up on post screen ....
    Now it reset to F4 bios from F7a automatically!!!

    So I lowered the clock to 4.0ghz (400x10) with stock voltage and it passed another 6hours of OCCT without problem...

    Do you think it's better to flash the bios back F7a or should i stay with F4?

    I know flashing the bios is risky, and I read all the post about make mobo to brick state...

    Now i am confused if i have to flash bios or not.!!

  2. #12
    Join Date
    Feb 2009

    Default Re: Please help me overclock my E8600 with EP45-UD3P Mobo

    I've got the same configuration except of the ram.
    Here you have my config :
    # CPU : Intel Core 2 Duo E8600 @ Noctua NH-U12P
    # MB : Gigabyte P45-UD3P
    # RAM : Crucial Ballistix Tracer 4 Go (Kit 4x 1 Go) DDR2-SDRAM PC6400 4-4-4-12 - BL2KIT12864AL804
    # GC : ATI Radeon HD 4850 512Mo
    # DD1 : WesternDigital Raptor 74Go 10000 Tr/min en Sata 1
    # DD2 : Seagate 7200.11 500Go en SATA 2
    # DD3 : Samsung 400Go en SATA 2
    # DD4 : Maxtor de 250Go en SATA 2

    # Dvd Reader : Asus

    # Monitor : SAMSUNG LCD 22" SyncMaster 226BW

    # PSU : CORSAIR HX520 Watts (CMPSU-520HX)
    # Case : Antec P180

    # Mouse : logitech G5 Laser
    # Keyboard : logitech G15

    I tried the O/C given by Lsdmeasap here, adapting with my ram (DDR2-800 only @ 2,2V).
    With all those spec, OCCT told me I have an error in Core #0.
    So I raise up the Vcore to 1.30V (or 1.25V, I don't réally remember, I do it last night before I go to bed lol..., and for now, I run Memtest86+ to check the ram).

    For the ram, I just set to DDR2-800 with the good multiplier, and set it to 4-4-4-12, @ 2,2V.

    After testing the ram, I'll go to the bios to check what VCore I set, and to all other options... and I'll post here.

    I just don't know what are certains options in the bios :
    What are the options in "Advanced Clock Control" for ?

    • CPU Clock Drive
    • PCI Express Clock Drive
    • CPU Clock Skew (ps)
    • MCH Clock Skew (ps)

    And those options :

    • CPU Termination
    • CPU PLL
    • CPU Reference
    • MCH/ICH
      MCH Core
    • MCH Reference
    • MCH/DRAM Reference
    • ICH I/O
    • ICH Core
    • DRAM Termination .…0.900V

    I come from an asus P5B, so I have too much more things to set in the UD3P :) (P5B was so simple compare of the UD3P ;))

    Thanks for your help :)

  3. #13
    Join Date
    Feb 2009

    Default Re: Please help me overclock my E8600 with EP45-UD3P Mobo

    So, I set the CPU Vcore to 1.30 V ;)

    I will try to run OCCT for some hours :)

    edit : after 2 pass, no errors in MemTest86+
    After 1h of OCCT (CPU : OCCT mode), no error.
    I launched some minutes ago, the "CPU : linpack" test for 1h.
    I'll tell the results after :)

    edit 2 : After one hour of Linpack test, no error :)
    Can I consider O/C stable ?
    I will play some games now to test the GC :)
    Last edited by MilesTEG1; 02-09-2009 at 09:43 PM. Reason: Adding MemTest & OCCT results

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