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Thread: EP45-UD3P E7400 Overclocking Stability Problem




  1. #11
    profJim's Avatar
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    Default Re: EP45-UD3P E7400 Overclocking Stability Problem

    @herbals

    While your problems seem to be similar to maxq's issues, you're using the same cpu and video card, but have a different mobo and memory. For this reason, I suggest that we continue helping you using your existing thread.

    You did an excellent job with your screen-shots, but you didn't provide complete bios settings from the generic EP45 bios template.

    My preference is to run 10 loops with IBT, as I've found that IBT errors sometimes occur during tests 6 or later. Some run 20, 50, or even 100 IBT loops, but I consider anything over 10 - 20 loops to be excessive and unnecessary.

    It's also not clear how long your ran your stability tests and which Prime95 tests were used. Blend test? Small FFT? Large FFT?
    Sometimes a system will pass 8 - 12 hours of Prime95 blend test, but might fail when doing extended tests when using the Small and/or Large FFT tests. I run all three tests for 12 -24 hours each before I consider my system to be stable. I've seen a fair number of posts where people consider their systems to be stable if Prime95 runs error free for only 1 -3 hours.

    Part of your problem might be related to VTT (cpu termination) being too low. With your G.Skill F2-6400CL5-2GBPI 2x2GB memory, MCH Core voltage might need to be a bit higher or possibly lower.
    I've subscribed to your existing thread.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  2. #12
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    Default Re: EP45-UD3P E7400 Overclocking Stability Problem

    I listed every BIOS setting I changed, everything else was DEFAULT

    I had memory volts running at 2.1, Which is way overvolt.

    Its prime stable for 12 hours with small and or large.
    GA-EP45-UD3P rev 1.0 Bios F10e
    Core2 E7400, Revision: R0, Stepping A
    Thermaltake V1 CPU cooler
    G.Skill F2-6400CL5-2GBPI (DD2 800) 2gb x 2 sticks
    Gigabyte 9800GT 512mb
    Coolermaster RC690 Case, Air cooled
    Windows 7 x64 Ultimate Retail

  3. #13
    Chike is offline Senior Member
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    Default Re: EP45-UD3P E7400 Overclocking Stability Problem

    Any reason for MCH/DRAM Refence to be set below it's default? Though you have not listed it in your settings that's what the screen capture shows.

  4. #14
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    Default Re: EP45-UD3P E7400 Overclocking Stability Problem

    Yeah i noticed that. Not sure why easytune does that, but i changed it in easy tune and it didnt fix anything.

    Thanks
    GA-EP45-UD3P rev 1.0 Bios F10e
    Core2 E7400, Revision: R0, Stepping A
    Thermaltake V1 CPU cooler
    G.Skill F2-6400CL5-2GBPI (DD2 800) 2gb x 2 sticks
    Gigabyte 9800GT 512mb
    Coolermaster RC690 Case, Air cooled
    Windows 7 x64 Ultimate Retail

  5. #15
    Chike is offline Senior Member
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    Default Re: EP45-UD3P E7400 Overclocking Stability Problem

    Quote Originally Posted by herbals View Post
    Yeah i noticed that. Not sure why easytune does that, but i changed it in easy tune and it didnt fix anything.
    Do you mean it was set to auto in BIOS and ET changed it or at least show a different value then default?

  6. #16
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    Default Re: EP45-UD3P E7400 Overclocking Stability Problem

    Yes its Set to AUTO in bios and Ezytune changed it.
    But even when i changed it to 0.900 in ezytune i still had problems.

    MCH/DRAM Refernce [0.900 ]


    My problem as far as I can work out is FSB related, i can run the memory at 500mhz NO PROBLEMS WHATSOEVER
    Its only when the cpu clock goes too high.

    I have no problems when running 10.5x350 @ 3.675ghz
    but 9 x 400 @ 3.6ghz gives me problems in games. WHICH IS A LOWER CPU CLOCK.


    thanks.
    Last edited by herbals; 02-03-2010 at 02:00 PM.
    GA-EP45-UD3P rev 1.0 Bios F10e
    Core2 E7400, Revision: R0, Stepping A
    Thermaltake V1 CPU cooler
    G.Skill F2-6400CL5-2GBPI (DD2 800) 2gb x 2 sticks
    Gigabyte 9800GT 512mb
    Coolermaster RC690 Case, Air cooled
    Windows 7 x64 Ultimate Retail

  7. #17
    Chike is offline Senior Member
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    Default Re: EP45-UD3P E7400 Overclocking Stability Problem

    You have also listed 1.24v MCH Core but ET shows 1.2.
    Can you post full BIOS settings along with ET screen capture?

  8. #18
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    Default Re: EP45-UD3P E7400 Overclocking Stability Problem

    ^^^^Yes!!
    Post your full bios settings using the generic bios template.
    We often find inconsistencies with posted bios settings and screen-shots.
    Accuracy is vital.
    Just posting the settings you've manually changed isn't good enough, even though you claim that the remaining settings were left at the default settings.

    Did you load optimized bios settings after each bios flash?

    Please post the current values for:
    CPU Clock Drive ---------------------- : [???]
    PCI Express Clock Drive -------------- : [???]
    CPU Clock Skew (ps) ----------------- : [???]
    MCH Clock Skew (ps) ----------------- : [???]
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
    Seasonic X650 80+ gold psu (650w) ~~ Xigmatek Balder HDT 1283 cpu cooler ~~ Cooler Master CM 690 case (RC-690-KKN1-GP)
    Samsung 830 128GB SSD MZ-7PC128B/WW (boot) ~~ WD Caviar Black WD6401AALS 640GB (data) ~~ ZM-MFC2 fan controller
    HT|Omega Striker 7.1 sound card ~~ Asus VH242H monitor [1920x1080] ~~ Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S
    .


  9. #19
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    Default Re: EP45-UD3P E7400 Overclocking Stability Problem

    Here is full bios from template. and current easytune picture, thanks for the help.
    I Loaded optimized defaults yes, Ive manually set every volt, so nothing is auto now.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster -------------- : [Turbo]
    CPU Clock Ratio ---------------------- : [9]
    Fine CPU Clock Ratio ----------------- : [0]
    CPU Frequency ---------------------: 3.6ghz

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

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

    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]
    (G)MCH Frequency Latch ---------------- : [400]
    System Memory Multiplier -------------- : [2.00d]
    Memory Frequency (Mhz) ---------------- : 800 800
    DRAM Timing Selectable ---------------- : [Auto] <-- set to MANUAL for overclocking

    Standard Timing Control
    CAS Latency Time -------- ?? ---------- : [5]
    tRCD ------------------- ?? ---------- : [5]
    tRP --------------------- ?? ---------- : [5]
    tRAS ------------------- ?? ---------- : [15]

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

    driving Strength Profiles
    Driving Strength --------- : Press Enter <--- press ENTER to modify memory sub-timings when overclocking

    Channel A
    Static tRead Value --------------------- : [7]
    tRD Phase0 Adjustment ------------------ : [0]
    tRD Phase1 Adjustment ------------------ : [0]
    tRD Phase2 Adjustment ------------------ : [0]
    tRD Phase3 Adjustment ------------------ : [0]
    Trd2rd(Different Rank) ----------------- : [6]
    Twr2wr(Different Rank) ----------------- : [6]
    Twr2rd(Different Rank) ----------------- : [5]
    Trd2wr(Same/Diff Rank) ----------------- : [8]
    Dimm1 Clock Skew Control --------------- : [Auto] ps
    Dimm2 Clock Skew Control --------------- : [Auto] ps

    Channel B
    Static tRead Value --------------------- : [7]
    tRD Phase0 Adjustment ------------------ : [0]
    tRD Phase1 Adjustment ------------------ : [0]
    tRD Phase2 Adjustment ------------------ : [0]
    tRD Phase3 Adjustment ------------------ : [0]
    Trd2rd(Different Rank) ----------------- : [6]
    Twr2wr(Different Rank) ----------------- : [6]
    Twr2rd(Different Rank) ----------------- : [5]
    Trd2wr(Same/Diff Rank) ----------------- : [8]
    Dimm1 Clock Skew Control --------------- : [Auto] ps
    Dimm2 Clock Skew Control --------------- : [Auto] ps

    Motherboard Voltage Control
    CPU
    Voltage Types------------ Normal -------- Current -----
    Load-Line Calibration ----------------- : [Enabled]
    CPU Vcore --------------- ?.????? ---- : [1.3500v]

    CPU Termination --------- ?.???V* ----- : [1.200v]
    CPU PLL ----------------- ?.???V* ----- : [1.570v]

    CPU Reference ----------- ?.???V* ----- : [.700v]


    MCH/ICH
    MCH Core ---------------- ?.???V ------- : [1.240v]
    MCH Reference ----------- ?.???V ------- : [0.700v]
    MCH/DRAM Ref ------------ ?.???V ------ : [0.900]
    ICH I/O ----------------- ?.???V ------- : [1.500v]
    ICH Core ---------------- ?.???V ------- : [1.100v]
    DRAM
    DRAM Voltage ------------ ?.???V ------- : [1.900v]
    DRAM Termination -------- ?.???V ------- : [.900v]
    Channel A Reference ----- ?.???V ------- : [.900v]
    Channel B Reference ----- ?.???V ------- : [.900v]

    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]

    GA-EP45-UD3P rev 1.0 Bios F10e
    Core2 E7400, Revision: R0, Stepping A
    Thermaltake V1 CPU cooler
    G.Skill F2-6400CL5-2GBPI (DD2 800) 2gb x 2 sticks
    Gigabyte 9800GT 512mb
    Coolermaster RC690 Case, Air cooled
    Windows 7 x64 Ultimate Retail

  10. #20
    Chike is offline Senior Member
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    Default Re: EP45-UD3P E7400 Overclocking Stability Problem

    Quote Originally Posted by herbals View Post
    Ive manually set every volt, so nothing is auto now.
    You realy shouldn't, unless you need to.
    The reference voltages are not realy the numbers you see in BIOS they are realy a percent of another voltage.
    MCH & CPU Reference are percent of VTT
    MCH/DRAM Reference, DRAM Termination and channel References are percent of DRAM Voltage.
    e.g. you set .9 for them but in ET (which always show the value as it is for the default DRAM Voltage 1.8v) they are lower.

    MCH Reference may be OK, I see Psycho101 also has it on .7 at 1.2v VTT.

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