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Thread: Need help to overclock my e7600+ep45-ud3l




  1. #11
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    Default Re: Need help to overclock my e7600+ep45-ud3l

    i tried your config and dont work (dont boot), i already expected this, because the problem seems to be with memory Multipler and Frequency, i think those memory dont accept decrease by Multipler and the limit will be 900mhz or 905, in 915mhz will be BSOD,
    GA-EP45-UD3L (F3)
    Core2Duo E7600 3.0
    Corsair XMS2 DDR2-800
    (2x4GB)
    VGA 5770 ATI
    HD Samsung 1TB
    Corsair VX 450w



  2. #12
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    Default Re: Need help to overclock my e7600+ep45-ud3l

    i think the problem is the minimum multiplier of the board on this cpu (266-1066) is 2.5-3.3-4.0, so the 400x2,5=1000mhz for the memory wich the safety limit i think is 900mhz, so the max i can use is 360 on cpu host frequency and i could try x10 to result 3.6ghz

    what do you think ?
    GA-EP45-UD3L (F3)
    Core2Duo E7600 3.0
    Corsair XMS2 DDR2-800
    (2x4GB)
    VGA 5770 ATI
    HD Samsung 1TB
    Corsair VX 450w



  3. #13
    Chike is offline Senior Member
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    Default Re: Need help to overclock my e7600+ep45-ud3l

    multipliers are
    C(200MHz) 2.66, 3.33 4.00
    A(266MHz) 2.5, 3.00, 4.00
    B(333MHz) 2.00, 2.4, 3.2 (4.00 for DDR3 boards)
    D(400MHz) 2.00, 2.66 (3.33, 4.00 for DDR3 boards)

    I was aware of the memory limitation and listed 2.00D and 2.00B as an alternative.
    MCH Frequency Latch should be left auto.

  4. #14
    Chike is offline Senior Member
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    Default Re: Need help to overclock my e7600+ep45-ud3l

    BTW I have looked at the CPU support list, and min BIOS for the E7600 is F5c(beta BIOS).
    You may want to upgrade to the latest F9 BIOS.
    Use BIOS built-in Q-Flash to update BIOS.
    Do not use OC settings when flashing, use optimized defaults with Performance enhance standard and XMP disabled(if present).

  5. #15
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    Default Re: Need help to overclock my e7600+ep45-ud3l

    Quote Originally Posted by Chike View Post
    multipliers are
    C(200MHz) 2.66, 3.33 4.00
    A(266MHz) 2.5, 3.00, 4.00
    B(333MHz) 2.00, 2.4, 3.2 (4.00 for DDR3 boards)
    D(400MHz) 2.00, 2.66 (3.33, 4.00 for DDR3 boards)

    I was aware of the memory limitation and listed 2.00D and 2.00B as an alternative.
    MCH Frequency Latch should be left auto.
    can we choose any multipliers ? i though that only works with A(266MHZ) witch is my stock 266-1066, now when i leave multiplier on auto is 2,3 that appears on cpu-z

    Quote Originally Posted by Chike View Post
    BTW I have looked at the CPU support list, and min BIOS for the E7600 is F5c(beta BIOS).
    You may want to upgrade to the latest F9 BIOS.
    Use BIOS built-in Q-Flash to update BIOS.
    Do not use OC settings when flashing, use optimized defaults with Performance enhance standard and XMP disabled(if present).
    the update will give more performance?
    GA-EP45-UD3L (F3)
    Core2Duo E7600 3.0
    Corsair XMS2 DDR2-800
    (2x4GB)
    VGA 5770 ATI
    HD Samsung 1TB
    Corsair VX 450w



  6. #16
    Chike is offline Senior Member
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    Default Re: Need help to overclock my e7600+ep45-ud3l

    The BIOS is not very bright, it takes the default cpu FSB (266 for the E7600) and try to match multiplier that maches the SPD highest ram clock (400, DDR-800) which is 2:3(FSB:RAM), in BIOS 3.00A.
    The multipliers are made for FSB clock not CPU. You set 400MHz FSB then you need to use D strap multipliers.
    However other multipliers may work as well or even yield better result. Use whatever is best for you.

    The BIOS need to be F5c or above to be fully compatibe with the E7600. I would be skepric about performance but F9 lists enhanced memory compatibilities.

  7. #17
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    Default Re: Need help to overclock my e7600+ep45-ud3l

    the big problem the memory, i tried different multipliers and always i got a BSOD on windows boot or prime, i think the memory dont accept set any multiplier or the board dont work fine with the memory, only auto which means x3

    400x2.0=800mhz but the board seems to be working on x3.0=1200 resulting BSOD

    i need memory with 1333mhz to make this overclock
    GA-EP45-UD3L (F3)
    Core2Duo E7600 3.0
    Corsair XMS2 DDR2-800
    (2x4GB)
    VGA 5770 ATI
    HD Samsung 1TB
    Corsair VX 450w



  8. #18
    Chike is offline Senior Member
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    Default Re: Need help to overclock my e7600+ep45-ud3l

    First you can see what DDR is in BIOS. Then you can run memtest86+ it also show the DRR(or at least the clock which is half).
    Please post the full failing settings.

  9. #19
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    Default Re: Need help to overclock my e7600+ep45-ud3l

    ok i getting system stable (few minutes of prime95) @ 3.0ghz,
    before i tried 3.4ghz without sucess
    i will make more test with games etc to make sure, then i will try (400x8.0) which i think to be the limit

    CPU Clock Ratio ---------------------- : [7]
    Fine CPU Clock Ratio ----------------- : [0.5]
    CPU Frequency ---------------------: 3.0GHz (400x7.5)
    CPU Host Frequency (Mhz) --------------: [400]
    Performance Enhance ------------------- : [Standard]
    (G)MCH Frequency Latch ---------------- : [Auto]
    System Memory Multiplier -------------- : [2.00B]
    Memory Frequency (Mhz) ---------------- : 800
    DRAM Timing Selectable ---------------- : [Manual]
    Static tRead Value --------------------- : [8]
    all auto

    cpuz


    MemSet
    http://i53.tinypic.com/zisu2d.png

    Last edited by caixaveloz; 05-06-2011 at 04:49 AM.
    GA-EP45-UD3L (F3)
    Core2Duo E7600 3.0
    Corsair XMS2 DDR2-800
    (2x4GB)
    VGA 5770 ATI
    HD Samsung 1TB
    Corsair VX 450w



  10. #20
    Chike is offline Senior Member
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    Israel
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    Default Re: Need help to overclock my e7600+ep45-ud3l

    Much better memory performance, 700-1200MB/s andd 18ns lees latency.

    Try a bit more VTT(CPU Termination), 1.22-1.24v.
    What is CPU PLL and MCH Core settings?
    Is LLC enabled?

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