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Thread: Unstable EP45-UD3P




  1. #1

    Default Unstable EP45-UD3P

    I am having stability issues with my current setup. Under Windows 7 RTM 64 bit I get constant BSOD with the following error in the event log...

    Level: Critical
    Source: Kernel-Power
    Event ID: 41
    Task Category: (63)
    Message: The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.

    I have had the same issue using the ICH10R RAID and the latest driver, Gigabyte SATA 2 chip latest driver, Single Drive no RAID or AHCI. All other drivers are up to date. I have even tried using out of date drivers.

    From what I have read in the forums it seems this could be a voltage issue however I'm not sure which voltages to tweak and how... any help would be very much appreciated.

    Below are my BIOS Settings:

    MIT:
    Robust Graphics Booster - Auto
    CPU Clock Ratio - 8X
    Fine CPU clock Ratio - +0.0
    CPU Frequency - 2.66GHz (333x8)

    ***Clock Chip Control***
    CPU Host Clock Control - Disabled
    CPU Host Frequency (Mhz) - 333
    PCI Express Frequency(Mhz - Auto
    C.I.A.2 - Disabled
    Advanced Clock Control
    CPU Clock Drive - 800mV
    PCI Express Clock Drive - 900mV
    CPU Clock Skew - 0ps
    MCH Clock Skew - 0ps

    ***DRAM Performance Control***
    Performance Enhance - Standard
    Extreme Memory Profile (X.M.P.) - Auto
    (G)MCH Frequency Latch - Auto
    System Memory Multiplier (SPD) - Auto
    Memory Frequency (Mhz) - 1066
    DRAM Timing Selectable (SPD) - Auto
    CAS Latency Time - 5 Auto
    tRCD - 5 Auto
    tRP - 5 Auto
    tRAS - 15 Auto

    Advanced Timing Control
    tRRD - 4 Auto
    tWTR - 4 Auto
    tWR - 8 Auto
    tRFC - 68 Auto
    tRTP - 4 Auto
    Command Rate (CMD) - 0 Auto

    Channel A Timing Settings
    Static tRead Value - 11 Auto
    tRD Phase0 Adjustment - 0 Auto
    tRD Phase1 Adjustment - 0 Auto
    tRD Phase2 Adjustment - 0 Auto
    tRD Phase3 Adjustment - 0 Auto

    Trd2rd (Differnt Rank) - 6 Auto
    Twr2wr (Different Rank - 6 Auto
    Twr2rd (Different Rank - 5 Auto
    Trd2wr (Same/Diff Rank) - 8 Auto

    DIMM1 clock Skew Control - Auto
    DIMM2 clock Skew Control - Auto
    DDR Write Training - Auto

    Channel A Driving Settings
    Driving Strength Profile - Auto
    Data Driving Pull-Up Level - Auto
    Cmd Driving Pull-Up Level - Auto
    Ctrl Driving Pull-Up Level - Auto
    Clk Driving Pull-Up Level - Auto

    Data Driving Pull-Down Level - Auto
    Cmd Dirving Pull-Down Level - Auto
    Ctrl Driving Pull-Down Level - Auto
    Clk Driving Pull-Down Level - Auto

    Channel B Timing Settings
    Same as Channel A

    Channel B Driving Settings
    Same as Channel A

    ***Mother Board Voltage Control***
    Load-Line Calibration - Disabled
    CPU Vcore - 1.21250V Auto
    CPU Termination - 1.200V Auto
    CPU PLL - 1.500V Auto
    CPU Reference - 0.760V

    MCH Core - 1.100V Auto
    MCH Reference - 0.760V Auto
    MCH/DRAM Reference - 0.900V Auto
    ICH I/O -1.500V Auto
    ICH Core - 1.100V Auto

    DRAM Voltage 1.800V Auto
    DRAM Termination 0.900V Auto
    Channel A Reference - 0.900V Auto
    Channel B Reference 0.900V Auto

    Again any help regarding this would be greatly appreciated.

    Thanks in advance!
    _____________________
    Gigabyte EP45-UD3P v1.1 @ F9
    Core 2 Quad Q9400 2.66Ghz
    4GB Corsair PC8500 DDR2
    Raedon x1950

  2. #2
    Join Date
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    Default Re: Unstable EP45-UD3P

    Start with raising your v core a couple of notches.

  3. #3
    Chike is offline Senior Member
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    Default Re: Unstable EP45-UD3P

    If you have not loaded optimized defaults yet, is is recommended to do so.

    For memory configuratios more than 2x1GB usually more MCH Core is needed in the range of 1.2-1.26v.
    Try 1.2v first and increase it one step at a time if still not stable.
    In less common cases less than default is needed, in the range of 1.05-0.95v, so if increasing it does not help try 1.05v and decrese one step at a time if not stable.

    I'd recommend running memtest86+ for 6+ hours first, and then Prime95 blend stress, or customized 128-4096 FFT not in-place with max memory possible.

    Eeven that at stock speed temperatures should not be a problem, run RealTemp or CoreTemp to see that everything is ok just in case.

    You can fing memtest86+ RealTemp and CoreTemp and many other in http://forums.tweaktown.com/f69/late...30/#post284762

    Please keep us posted if you make any progress or still have issues.

  4. #4

    Default Re: Unstable EP45-UD3P

    Thanks for the suggestions... I'll give these a try and let you know what the results are!
    _____________________
    Gigabyte EP45-UD3P v1.1 @ F9
    Core 2 Quad Q9400 2.66Ghz
    4GB Corsair PC8500 DDR2
    Raedon x1950

  5. #5

    Default Re: Unstable EP45-UD3P

    I have set the optimized defaults, tested the memory and made sure that the temperature is ok.

    I have upped the Vcore to 1.22500V and the MCH Core to 1.200V, and I still had the issue.

    I will try to keep upping the MCH Core a couple more notches, as well as down a couple notches if I have no luck with upping it.

    I'll be out of town for a few days so you may not hear from me for a bit

    Thanks again for all the help!
    _____________________
    Gigabyte EP45-UD3P v1.1 @ F9
    Core 2 Quad Q9400 2.66Ghz
    4GB Corsair PC8500 DDR2
    Raedon x1950

  6. #6
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Default Re: Unstable EP45-UD3P

    Sometimes there will be boot or instability issues at stock settings, even if OPTIMIZED bios settings have been loaded.
    The basic settings in this post have solved problems for many members.
    If you'll post the screen-shot described in post (step #4), it might point to an improper voltage setting that is set by AUTO.
    For 1066 memory speeds, you should manually set DRAM Voltage to it's highest rated specified setting (probably 2.10 volts).
    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
    .


  7. #7

    Default Re: Unstable EP45-UD3P

    Thanks again for the help with this. I was still having constant BSOD errors which seemed to be different everytime, so I removed one stick of memory and ran memtest86+ on that one stick and within about 5 minutes memtest has found around 500,000 errors.

    I am entering an RMA with corsair right now, and when I get the new memory I will test and let you guys know the results. Thanks for the info... I should have done more extensive memory testing to begin with.

    Thanks again for all the help... I'll keep you updated once I receive new memory.
    _____________________
    Gigabyte EP45-UD3P v1.1 @ F9
    Core 2 Quad Q9400 2.66Ghz
    4GB Corsair PC8500 DDR2
    Raedon x1950

  8. #8
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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