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Thread: GA-EP45-UD3P + E8500 + 8gig (4x2g Muskin) ram overclocking help




  1. #1
    Join Date
    Dec 2008
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    Default GA-EP45-UD3P + E8500 + 8gig (4x2g Muskin) ram overclocking help

    Hi, this is my first post. I built a pretty decent system.. I was quite excited for this since the last time I even owned a desktop was 5 years ago (5 years of dell laptop computing...)

    My system is:
    GA-EP45_UD3P
    E8500 w/ Thermalright ultra 120 and Nexus quiet fan
    8 gigs of Muskin 1066 ram (4x2)
    Corsair 750W PSU
    Radeon HD 4870 x2
    Western Digital Cavier Black 1TB HDD
    Antec p182 case loaded with Scythe Slipstreams

    I tried overclocking the E8500 to 3.8ghz. The system seems pretty stable except for the fact that it couldn't boot initially after I edited BIOS. I ran a full stress test on Prime95 and it showed me this on the 8th hour: "FATAL ERROR: Rounding was 0.4998147488, expected less than 0.4
    Hardware failure detected, consult stress.txt file"
    I couldn't find stress.txt... and I don't know which hardware failed.

    This is my first time overclocking and tweaking voltage. I'm not sure if the error at 8th hour is something significant. But for people who have similar systems.. any help on my BIOS setting (to make it better and more stable) would be greatly appreciated.

    This is my current setting:
    *MB Intelligent Tweaker
    ->Robust Graphics Booster [Fast]
    CPU Clock Ration [9x]
    Fine CPU Clock Ratio [+0.5]
    CPU Frequency 3.80Ghz

    ***Clock Chip Control****
    CPU Host Frequency [400Mhz]
    PCI Express Frequency [100Mhz]
    C.I.A.2 [Disabled]
    *Advanced Clock Control
    CPU Clock Drive [800mV]
    PCI Express Clock Drive [900mV]
    CPU Clock Skew [0ps]
    MHC Clock Skew [100ps]

    ***DRAM Performance Control***
    Performance Enhance [Standard]
    Extreme Memory Profile [Disabled]
    (G)MCH Frequency Latch [400MHz]
    System Memory Multiplier (SPD) [2.00D]
    Memory Frequency (Mhz) 1066 800 (shows these two in blue, dont know why its not just 1066)
    DRAM Timing Selectable (SPD) [Manual]
    CAS Latency Time 5 [5]
    tRCD 7 [5]
    tRP 7 [5]
    tRAS 24 [18]
    **Advanced Timing Control**
    tRRD 4 [6]
    tWTR 4 [6]
    tWR 8 [6]
    tRFC 68 [65]
    tRTP 4 [6]
    Command Rate (CMD) 0 [2]
    *Channel A Timing Settings*
    Static tRead Value 11 [9]
    all under set to auto --> Channel B Timing Setting identical
    *Channel A Driving Settings [1066MHz]
    all under set to auto --> Channel B Driving Setting identical

    Load-Line Calibration [Disabled]
    CPU Vcore 1.25v [1.35v]
    CPU Termination 1.2v [1.3v]
    CPU PLL 1.5v [1.5v]
    CPU Reference 0.76v [0.823v]
    MCH Core 1.1v [1.38v]
    MCH Reference 0.76v [auto]
    MCH/DRAM Reference 0.9v [auto]
    ICH I/O 1.5v [auto]
    ICH Core 1.1v [auto]

    DRAM voltage 1.8v [2.1v]
    Dram Termination 0.9v [auto]
    Channel A reference 0.9v [auto]
    Channel B Reference 0.9v [auto]

    ****Advanced BIOS Setting****
    HDD S.M.A.R.T. Capability [Enabled] ---> Somehow my Speedfan can't detect HDD
    Limit CPUID Max. to 3 [Disabled]
    No-Execute Memory Protect [Enabled]
    CPU Enhanced Halt (C1E) [Disabled]
    C2/C2E State Support [Disabled]
    CPU Thermal Monitor 2(TM2) [Enabled]
    CPU EIST Function [Disabled]
    Virtualization Tech [Disabled]
    Delay For HDD (Secs) [0]


    So these are my settings... any recommended changes for my specs will be appreciated.
    I just want a mild performance increase.. not a die-hard overclocker.
    3.8mhz will make me happy. And ram-wise I just want what it can offer me without risking anything.. I have no fans on it.

    I went out on my 2nd hour of testing and the temps and I observed the CPU temp and all others reaching a steady 51-3 C on full load and CPU seems to idle around 35C.

    p.s. if anyone can advise me as to why i can't detect my HDD temp on speedfan, that would be great too!

  2. #2
    Join Date
    Apr 2008
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    942

    Default Re: GA-EP45-UD3P + E8500 + 8gig (4x2g Muskin) ram overclocking help

    p.s. if anyone can advise me as to why i can't detect my HDD temp on speedfan, that would be great too!
    Are you in AHCI mode?

    Personally I don't like Speedfan and recommend HwMonitor or PCWizard instead. You can get them aswell as Cpuz here :- CPUID
    GA-P35C-DS3R Rev2.0 F11 bios, E8200 (@3.0Ghz), OCZ DDR3 PC3-10666 Reaper 4GB (@1200Mhz), Xonar D1, 8800GTS 512, Corsair HX520 (Single 12volt line, Max 40A), WDC 3200aaks/5000aaks in AHCI mode, Vista 64 Premium.

  3. #3

    Default Re: GA-EP45-UD3P + E8500 + 8gig (4x2g Muskin) ram overclocking help

    Try some other testing programs like OCCT or if you play games, then play for 2hrs or so at these settings as that will tell you if that error at the 8th hour was meaning full or not. Also running MemTest would be a good idea

  4. #4
    Join Date
    Dec 2008
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    Default Re: GA-EP45-UD3P + E8500 + 8gig (4x2g Muskin) ram overclocking help

    Thank you for the response. I'm not sure if I'm in AHCI mode and I don't really know how to check either (I guess I'm a noob..).
    I guess I could just try playing games for 2 hours... I just got Fallout3 to try out.
    Please let me know if you guys think I'm overvolting or something.. I guess I'm just too lazy to tweak minor increments and test everytime.

    So if anyone has a similar system, some advice would be appreciated- particularly the CPU and Ram voltage.

  5. #5
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-EP45-UD3P + E8500 + 8gig (4x2g Muskin) ram overclocking help

    Did you install a driver when you installed you OS? That is how you would know if you are using AHCI or not. Smart wont work with AHCI or RAID

    Here is what I advise about your above settings >>>

    Use 401 FSB not 400 exactly

    MHC Clock Skew [100ps] << 150-300 may help with stability

    ***DRAM Performance Control***
    Performance Enhance [Standard]
    Extreme Memory Profile [Disabled]
    (G)MCH Frequency Latch [400MHz] << Auto and just use D multi's below
    System Memory Multiplier (SPD) [2.00D]
    Memory Frequency (Mhz) 1066 800 (shows these two in blue, dont know why its not just 1066) << That is because you are running your ram at 800Mhz. (FSB X Memory Multi = Ram Speed - 400x2.00D=800) << So you want 2.66D x 400 FSB =1066

    DRAM Timing Selectable (SPD) [Manual]
    CAS Latency Time 5 [5]
    tRCD 7 [5]
    tRP 7 [5]
    tRAS 24 [18] << 15 may work

    **Advanced Timing Control**
    tRRD 4 [6]
    tWTR 4 [6]
    tWR 8 [6]
    tRFC 68 [65]
    tRTP 4 [6]
    Command Rate (CMD) 0 [2]
    *Channel A Timing Settings*
    Static tRead Value 11 [9]
    all under set to auto --> Channel B Timing Setting identical
    *Channel A Driving Settings [1066MHz]
    all under set to auto --> Channel B Driving Setting identical

    Load-Line Calibration [Disabled]
    CPU Vcore 1.25v [1.35v]
    CPU Termination 1.2v [1.3v]
    CPU PLL 1.5v [1.5v]
    CPU Reference 0.76v [0.823v]
    MCH Core 1.1v [1.38v]
    MCH Reference 0.76v [auto]
    MCH/DRAM Reference 0.9v [auto]
    ICH I/O 1.5v [auto]
    ICH Core 1.1v [auto] << 1.1x-1.2

    DRAM voltage 1.8v [2.1v] << 2.0-2.1

  6. #6
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    Default Re: GA-EP45-UD3P + E8500 + 8gig (4x2g Muskin) ram overclocking help

    Thank you very much!
    The problem is... just when I thought my setting was stable (and before I adopted the changes you listed).. I tried Fallout 3 with Ultra High settings... worked well but whenever I checked temp.. Speed Fan and HW monitor reported different results and the higher reading for GPU was 87C... which I suppose is pretty normal for 4870 x2. But after I noticed stuttering audio and an Explorer error report twice (even though I wasn't even on explorer while playing the game), I tried to reboot and it showed me BSOD right before getting into Windows. No matter how many times I tried rebooting, same thing. I tried the recommended changes above, and still the same.

    The only thing I did to the computer after my initial post here was connecting two additional fans to the PSU (I found out somehow I forgot to connect'em), and disconnecting a 3pin fan that was connected to a 4pin 5v header (because it wasn't working).
    So I gave up last night trying to make this work- the system boots to Safe Mode perfectly fine...


    This morning I turned this computer on, and strangely enough I was able to boot into Vista no problem on my first attempt...
    Could temperature possibly be a reason? I'm so confused.

  7. #7
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    Default Re: GA-EP45-UD3P + E8500 + 8gig (4x2g Muskin) ram overclocking help

    My goodness! after I posted this message I turned off my computer and when I turned it back on a few hours later- same momentary BSOD! I couldnt get into windows twice in a row... so I started playing with the BIOS a little bit.
    And surprisingly after I changed the RAM voltage to 2.2v instead of 2.1v, windows started working fine.
    Could this be the problem??? Am I not overvolting this guy? The product specification is 2.0v-2.1v. I have no experience overclocking, help would be appreciated thank you!

  8. #8
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    Default Re: GA-EP45-UD3P + E8500 + 8gig (4x2g Muskin) ram overclocking help

    Hi,
    To see the hard drive temps you must run SpeedFan as administrator. Right click on the SpeedFan icon and select "Run as Administrator".
    Paul

  9. #9
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA-EP45-UD3P + E8500 + 8gig (4x2g Muskin) ram overclocking help

    2.2 is out of the warranty range, but likely fine. I would use a fan on the ram if you keep it like that.

    What you could try is less MCH (1.32-1.35) and 2.1-2.15 on the ram. What does 2.1 and 2.2V give you for actual ram voltage anyway? Set it both ways and reboot and look in the BIOS PC Health section and see what it says for ram voltage. 2.1 may be off and that may be why 2.2 is working better for you.

  10. #10
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    Default Re: GA-EP45-UD3P + E8500 + 8gig (4x2g Muskin) ram overclocking help

    Thanks for the response
    I thought 2.2V would be stable... but turns out I get the same random BSOD right before getting into vista.
    I tried lowering MHC voltage and ram voltage and gives me the same problem..
    could my cpu voltage be off? I'm very confused... I know that my mobo is pretty good at handling oc.. and Im pretty sure my power supply is in good shape too.

    What could be wrong with my setting? Please help- thank you

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