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Thread: Max Overclock 3.34 with my e6600 on p45-ud3p?




  1. #11
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    Default Re: Max Overclock 3.34 with my e6600 on p45-ud3p?

    Quote Originally Posted by Chike View Post
    CPU-Z will always bee a bit off BIOS, that's called vdrop, then you'll see another decrease while under load, that's called vdroop. I would not say exact, but it reports the reading from the sensors, that as much as accurate it can be without lab equipment.
    I run small FFT for an hour or two, I rather set Vcore based on IBT. IBT results can indicate the need for Vcore even if it does not fail. If results and temps are low it means there si a need for more Vcore. You can start high, and lower Vcore untill you see a drop in GFlops, then take it up a two notches. This can be done with EasyTune, then once you find the needed Vcore reboot set it in BIOS and continue testing with Prime95 blend.
    If you don't run UBT let small FFT run 2-4 hours before switching to blend.
    Blend should be ran for 8+ hours.

    BTW higher FSB and MCH Core means more heat, how is the airflow around the NB?
    Max temps are still around 53C according to Coretemp. Whats the suggested max I take the vcore to? I've been perusing around google and people said either 1.5V or no more than 60.1C.

    FSB is @ 415 right now, Memory Multiplier is at 2.00D, MCH is at 1.26, VTT is at 1.24, PLL is at 1.57, and VCore is at 1.425. I've been getting blue screens when running the small tests recently and I've been uppin gthe vcore to no avail. Is there something I'm missing?

    I have the Antec p182 as my case with aftermarket Apevia fans (Welcome to Apevia.com | *CF12S-UBL). I have one fan on the top of the case pushing air out right above the NB. I have one fan in the back of the case pushing air in on the HSF and my HSF is blowing air out towards the top of the case across the top of the NB. Is that a good enough description? It seems like good airflow since theres input and output.
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  2. #12
    Chike is offline Senior Member
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    Default Re: Max Overclock 3.34 with my e6600 on p45-ud3p?

    60.1c is Intel's thermal spec for the CPU. This is Tcase, which is neasured at the center of the CPU IHS and we don't have the mean do measure it.

    I go by Sticky: Core i7 and Core 2 Temperature Guide which define 55c core temps as safe and 65c as hot for the E6600. Doesn't mean you can't run it at 65c, but it's prefered not to do it for a long run.
    Opinions varies, you need to make your own limits.

    1.5v Vcore is also the max Vcore according to Intel's spec for this CPU, setting higher Vcore or not is up to you.

    Basicaly use as much as needed and not more, within the limits you consider safe.

    I get the picture of fans, just not the "across the NB" which is below the CPU socket. I guess this sould be enogh though.

  3. #13
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    Default Re: Max Overclock 3.34 with my e6600 on p45-ud3p?

    Quote Originally Posted by Chike View Post
    60.1c is Intel's thermal spec for the CPU. This is Tcase, which is neasured at the center of the CPU IHS and we don't have the mean do measure it.

    I go by Sticky: Core i7 and Core 2 Temperature Guide which define 55c core temps as safe and 65c as hot for the E6600. Doesn't mean you can't run it at 65c, but it's prefered not to do it for a long run.
    Opinions varies, you need to make your own limits.

    1.5v Vcore is also the max Vcore according to Intel's spec for this CPU, setting higher Vcore or not is up to you.

    Basicaly use as much as needed and not more, within the limits you consider safe.

    I get the picture of fans, just not the "across the NB" which is below the CPU socket. I guess this sould be enogh though.
    Haha, oops. I forgot to add that I customized my case so I could install fan on the side panel. It's an intake blowing on my gpu and the NB. That's what I meant when blowing across the NB.

    What are the suggested max MCH and VTT voltages I should use? SHould I keep at is or can I go higher? My max temps are 54 under load but ambient temps are 26C so it should go down when the temperature outside decreases. I'm stuck on 3.44 GHz now. Is there a way I can go higher?
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  4. #14
    Chike is offline Senior Member
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    Default Re: Max Overclock 3.34 with my e6600 on p45-ud3p?

    Suggested MCH and VTT are as needed, no more no less. Under 1.3v is fine.
    3.44GHz with 8 CPU Ratio? You can increase it, I only suggested it to get the memory/MCH settings stable.
    Tweaking MCH/CPU Reference may aid using lower VTT/MCH Core.
    I am not familiar with the E6600 overclockability.
    Post your current settings.

  5. #15
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    Default Re: Max Overclock 3.34 with my e6600 on p45-ud3p?

    Quote Originally Posted by Chike View Post
    Suggested MCH and VTT are as needed, no more no less. Under 1.3v is fine.
    3.44GHz with 8 CPU Ratio? You can increase it, I only suggested it to get the memory/MCH settings stable.
    Tweaking MCH/CPU Reference may aid using lower VTT/MCH Core.
    I am not familiar with the E6600 overclockability.
    Post your current settings.
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster -------------- : [Auto]
    CPU Clock Ratio ---------------------- : [8]
    Fine CPU Clock Ratio ----------------- : [0.0] << ignore if not available
    CPU Frequency ---------------------: 3.44 (430x8)

    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control --------------- : [Enabled]
    CPU Host Frequency (Mhz) --------------: [372 Mhz]
    PCI Express Frequency (Mhz) ---------- : [100]

    C.I.A.2 ------------------------------ : [Disabled]

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

    DRAM Performance Control
    Performance Enhance ------------------- : [Disabled]
    Extreme Memory Profile --- (X.M.P.) --- : [Disabled]
    (G)MCH Frequency Latch ---------------- : [Auto]
    System Memory Multiplier -------------- : [2.00D]
    Memory Frequency (Mhz) ---------------- : [800 860]
    DRAM Timing Selectable ---------------- : [Manual]

    Standard Timing Control
    CAS Latency Time -------- 5 ---------- : 5
    tRCD ------------------- 5 ---------- : 5
    tRP --------------------- 5 ---------- : 5
    tRAS ------------------- 15 ---------- : 18

    Advanced Timing Control
    tRRD ------------------- 3 ---------- : [Auto]
    tWTR ------------------- 3 ---------- : [Auto]
    tWR --------------------- 6 ---------- : [Auto]
    tRFC ------------------- 52 ---------- : [Auto]
    tRTP ------------------- 3 ---------- : [Auto]
    Command Rate (CMD) ----------- 0 --------- : [Auto]

    Driving Strength Profiles
    Driving Strength --------- : [Auto]

    Channel A
    Static tRead Value --------------------- : [9]
    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 --------------------- : [9]
    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
    Voltage Types------------ Normal -------- Current -----
    Load-Line Calibration ----------------- : [Disabled]
    CPU Vcore --------------- 1.350 ---- : [1.531]
    CPU Termination --------- 1.200V* ----- : [1.240]
    CPU PLL ----------------- 1.500V* ----- : [1.570]

    CPU Reference ----------- 0.760V* ----- : [Auto]

    MCH/ICH
    MCH Core ---------------- 1.100V ------- : [1.260]
    MCH Reference ----------- 0.760V ------- : [Auto]
    MCH/DRAM Ref ------------ 0.900V ------ : [Auto]
    ICH I/O ----------------- 1.500V ------- : [1.500]
    ICH Core ---------------- 1.100V ------- : [1.100]
    DRAM
    DRAM Voltage ------------ 1.800V ------- : [2.000]
    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 -------------- : [Disabled]

    Integrated Peripherals
    Legacy USB Storage Detect ------------- : [Disabled]

    I'll upload screenshots in a sec.
    Last edited by KinkiKowBoi; 11-16-2009 at 06:39 AM.
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  6. #16
    Chike is offline Senior Member
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    Default Re: Max Overclock 3.34 with my e6600 on p45-ud3p?

    Are those settings stable?
    In MemSet Performance Level is blank, is it set manually to 9 in BIOS(Static tRead Value) or is it auto? Any multi boots?

    What FSB or CPU frequency failed?

    As I said I am not familier with this CPU overclockability, but one table I saw had Vcore 1.55v for 3.5GHz, so maybe it just needs more, that's up to you if you want to go higher of course.

    You can experiment with lower FSB and 9 CPU Ratio now that you know settings for FSB are OK, CPU may have FSB wall.
    Try 9 CPU Ratio with 380FSB and then go higher.

  7. #17
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    Default Re: Max Overclock 3.34 with my e6600 on p45-ud3p?

    Quote Originally Posted by Chike View Post
    Are those settings stable?
    In MemSet Performance Level is blank, is it set manually to 9 in BIOS(Static tRead Value) or is it auto? Any multi boots?

    What FSB or CPU frequency failed?

    As I said I am not familier with this CPU overclockability, but one table I saw had Vcore 1.55v for 3.5GHz, so maybe it just needs more, that's up to you if you want to go higher of course.

    You can experiment with lower FSB and 9 CPU Ratio now that you know settings for FSB are OK, CPU may have FSB wall.
    Try 9 CPU Ratio with 380FSB and then go higher.
    I'm still testing p85 but it's stable for the last hour or so. I'll let it keep running. The Static tRead Value is set to [Auto] in bios. Should I change it? I havent had any multiboots yet. I don't know why I wrote 9 in the format sheet lol. Must of been a mistake.

    I'll see how much Vcore I can get out of this cpu so I'll keep pushing until the temps reach 60 or so. Then I'll change the multiplier and test some more. For the reference voltages, how much is too much?
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  8. #18
    Chike is offline Senior Member
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    Default Re: Max Overclock 3.34 with my e6600 on p45-ud3p?

    Leave Static tRead auto while you still changing FSB, basicaly when you'r set on FSB or specific settings (you can save different BIOS profiles) try to set it to the lowest possible value foroptimal memory performance.

    With tge reference voltages there is no "max", they need to be set to the "right" value which depend on VTT and Vcore, either too low or too high will cause failure, see Understanding GTL Reference Voltage.

  9. #19
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    Default Re: Max Overclock 3.34 with my e6600 on p45-ud3p?

    Quote Originally Posted by Chike View Post
    Leave Static tRead auto while you still changing FSB, basicaly when you'r set on FSB or specific settings (you can save different BIOS profiles) try to set it to the lowest possible value foroptimal memory performance.

    With tge reference voltages there is no "max", they need to be set to the "right" value which depend on VTT and Vcore, either too low or too high will cause failure, see Understanding GTL Reference Voltage.
    Thanks for the link! I'll read it when I get some free time haha, it seems really long.

    When I find the FSB I like, how much do I lower the FSB by when I change the multiplier to 9? And do I keep all the voltages and all the other settings the same?
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  10. #20
    Chike is offline Senior Member
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    Default Re: Max Overclock 3.34 with my e6600 on p45-ud3p?

    I'd start by lowering it to get the same CPU frequency or a little less to begin with.
    Leave voltages as now for now, later you may be able to lower VTT and MCH Core 1-2 notches, they are within reason nothing to be worried about.

    Higher FSB result with better memory performance (usually), but may limit CPU OC if there's it FSB wall. The best way to go is to find which gives the best results, run some benchmarks that represent your usage and see what is best for you.

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