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Thread: Overclock E8400 to 3.7GHz {+Help} (Stable at 3.6GHz thanks to you guys)




  1. #1
    Join Date
    Feb 2009
    Posts
    6

    Default Overclock E8400 to 3.7GHz {+Help} (Stable at 3.6GHz thanks to you guys)

    Sup guys, I am here once again to ask for help to increase my overclock just a little bit, 4months ago you guys helped me to set my E8400 stable at 3.6Ghz and a few days ago i've bought 2 new sticks of memory Corsair Dominator DDR2 1066Mhz (Sold the old Kingston DDR2 800Mhz) and now i want just to get Stable at 3.7Ghz w/ my E8400 and 1100Mhz w/ the memory.

    Detailed information about my computer:

    Intel Core2Duo E8400 C0 @ 3.6GHz {400x9} 1.26850v + Cooler Extream Ice Cube SF-901 w/ Artic Silver 5
    Motherboard Gigabyte GA-EP43-DS3L @ F9C
    2x 2GB Corsair Dominator DDR2 1066Mhz [5-5-5-15 2T] 2.1v {400x2.66D}
    4,25TB Storage
    Powercolor ATI HD4850 PCS+ 1GB DDR3 700/1960
    PSU Corsair 450VX
    Case Elegance [3x 80mm + 3x 92mm + 3x 120mm]

    Stable configuration at 3.6GHz w/ the new Corsair Dominator and in bold is my first attempt to increase my over with no sucess.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: x9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 3600MHz -> 3700Mhz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 400Mhz -> 412Mhz
    PCI Express Frequency (Mhz) .........: 100Mhz


    Advanced Clock Control [Press Enter]
    CPU Clock Drive..........................: 800mV
    PCI Express Clock Drive................: 900mV
    CPU Clock Skew (ps)....................: 0ps
    MCH Clock Skew (ps)....................: 0ps


    DRAM Performance Control
    Performance Enhance....................: [STANDARD]
    Extreme Memory Profile (X.M.P.)........: [Disabled]
    (G)MCH Frequency Latch.................: 400Mhz -> 412Mhz
    System Memory Multiplier ..............: 2.66D
    Memory Frequency (Mhz) ................:1066Mhz -> 1099Mhz
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................ 5
    tRCD ......................................... 5
    tRP'........................................... 5
    tRAS.......................................... 15

    Advanced Timing Control
    tRRD........................................... Auto
    tWTR.......................................... Auto
    tWR............................................ Auto
    tRFC........................................... Auto
    tRTP........................................... Auto
    Command Rate (CMD) ....................: 2

    Channel A
    Static tRead Value.........................:Auto
    tRD Phase0 Adjustment...................:Auto
    tRD Phase1 Adjustment...................:Auto
    tRD Phase2 Adjustment .................:Auto
    tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto
    Twr2wr(Different Rank)...................:Auto
    Twr2rd(Different Rank)...................:Auto
    Trd2wr(Same/Diff Rank)..................:Auto
    Dimm1 Clock Skew Control...............:Auto ps
    Dimm2 Clock Skew Control...............:Auto ps

    Channel B
    Static tRead Value.........................: Auto
    tRD Phase0 Adjustment...................:Auto
    tRD Phase1 Adjustment...................:Auto
    tRD Phase2 Adjustment .................:Auto
    tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto
    Twr2wr(Different Rank)...................:Auto
    Twr2rd(Different Rank)...................:Auto
    Trd2wr(Same/Diff Rank)..................:Auto
    Dimm1 Clock Skew Control...............:Auto ps
    Dimm2 Clock Skew Control...............:Auto ps

    Motherboard Voltage Control

    CPU Vcore….……….....: 1.26850v -> 127500v
    CPU Termination….....: Auto
    CPU PLL…………………...: Auto
    CPU Referen.…………...: Auto


    MCH/ICH
    MCH Core................1.200v
    MCH Reference.........: Auto
    MCH/DRAM Reference: Auto
    ICH I/O.................: Auto
    ICH Core...............: Auto

    DRAM
    DRAM Voltage ……....: 2.1v -> 2.2v
    DRAM Termination .…0.900V............: Auto
    Channel A Reference 0.900V............: Auto
    Channel B Reference 0.900V............: Auto

    Advanced Settings
    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]

    Tried to run Orthos but got error after 1min...

    1:Torture Test ran 1 minutes 29 seconds - 1 errors, 0 warnings.
    1:Execution halted.

    I'm using Windows Vista SP2 Ultimate x86

    Infos w/ Everest Ultimate Edition 5.01

    Temperatures w/ over at 3.6GHz:



    Infos w/ CPUZ:



    O Core Voltage keeps changing from 1.232 to 1.248 this is normal? cus i don't remember...



    Some screens from the bios:








    Thank you all for the help!
    Last edited by IRoHellsing; 07-09-2009 at 01:03 AM.

  2. #2
    gji25's Avatar
    gji25 is offline Junior Member
    Join Date
    Oct 2009
    Location
    uk
    Posts
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    Default Re: Overclock E8400 to 3.7GHz {+Help} (Stable at 3.6GHz thanks to you guys)

    followed your method as decribed with e8400 3.0ghz core duo cpu
    gigabyte ga-ep43-ds3r/ds3 motherboard
    4 gig ocz reaper pc8500/1066 oc memory
    and has clocked to 3600.2 mhz
    system 38c cpu 26c @ idle with stock cooler
    thanks to all for the info and what a fantastic site this is

  3. #3
    Join Date
    Sep 2009
    Location
    ohio, usa
    Posts
    94

    Default Re: Overclock E8400 to 3.7GHz {+Help} (Stable at 3.6GHz thanks to you guys)

    ok not that its a bad thing but you have the CO stepping(i do also) 3.6ghz is the sweet spot for that chip, yes it can go higher but will take some work at getting it there. from what i see in your settings the first thing you might want to do is change your mem multiplier from 2.66d to 2.00d. yes it will under clock your mem but it will also help you get the CPU stable first then you can tweak your mem once it is stable.
    second thing. i just learned this myself trying to OC my Q9550 on my GA-EP45-DS3R mobo. in bios in MIT to the right click on enable optimized default settings. this makes a big difference. then go back to the top of MIT and set your ROBUST GRAPHIC BOOSTER to "FAST" setting the optimized default make pre adjustments to the mobo that isnt normally done when not OCing. take a look at this link here. it is where i was shown about the optimized default settings.
    http://forums.tweaktown.com/f69/ocin...tml#post323008
    id say do those things first and see what you can do with it. id say you will be pleased. hope this helps some.
    GA-EP45-UD3P 1.6rev
    Q9550 @ 451x8.5 3.83ghz SLB8V 1.296 vcore in bios
    Batch #L846B715
    G-Skill ddr2 1066 2x1gb running at 1082mhz??
    OCZ Vendetta 2 with 120mm fan
    Corsair HX650w PSU with a 120mm fan
    Nvidia GeForce 8800 GTS
    WD2500AAKS
    WD3200AAKS
    WD500GB GP
    WD1001FALS
    All housed in the Big Red Hemi
    CM HAF 922 1X200MM,2X200MM RED LED & 1x140mm rear fan
    Burners=
    Sony Optaric Nec AD7220S
    Sony Optaric Nec AD7240S
    Lite-on IHAS324-9-A x2

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