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Thread: Q9550/UD3P BSOD Problem at windows startup




  1. #1

    Default Q9550/UD3P BSOD Problem at windows startup

    My system:

    Q9550 E0 @ 4.03GHz (475x8.5) 1.296v
    GA-UD3P F7
    Mushkin 4GB DDR2 1066 @ 950 1.98v
    Geforce 8800GT 182.08
    Corsair HX640
    Vista x64 with latest updates

    My problem:
    Random times, I would get a BSOD [0x00000124] at windows startup, just once the desktop appears, BSOD happens, at this stage, there is no much stress happening to the system so I wonder what is causing this BSOD. I read maybe it is the 8800GT causing it.

    This PC passed this tests without problems
    OCCT CPU Stable 5H
    Prime 95 Bend Stable 5H
    Linpack 15 passes
    Cinebench R10 64 @ 50 Runs
    3DMark06 @ 50 Runs
    memtest 86 @ 2 passes

    So I really wonder about this BSOD which occur at windows startup just before loading my deskop.

    My settings:
    ******Motherboard Voltage Control******

    Load-Line Calibration...........................[ Enabled ]
    CPU Vcore [ 1.21250 ]...................[ 1.32 ]
    CPU Termination [ 1.20 ]...................[ 1.28 ]
    CPU PLL [ 1.50 ]...................[ 1.50 ]
    CPU Reference [ 0.760 ]...................[ 0.810 ] ---> ET6 reads 0.760

    MCH Core [ 1.100 ]...................[ 1.30 ]
    MCH Reference [ 0.760 ]...................[ 0.810 ] ---> ET6 reads 0.760
    MCH/DRAM Refernce [ 0.900 ]...................[ 0.960 ] ---> ET6 reads 0.870
    ICH I/O [ 1.500 ]...................[ 1.500 ]
    ICH Core [ 1.100 ]...................[ 1.100 ]

    DRAM Voltage [ 1.800 ]...................[ 1.980 ]
    DRAM Termination [ 0.900 ]...................[ 0.960 ] ---> ET6 reads 0.870
    Channel A Ref [ 0.900 ]...................[ 0.960 ] ---> ET6 reads 0.870
    Channel B Ref [ 0.900 ]...................[ 0.960 ] ---> ET6 reads 0.870

    What do guys think, maybe adding some volt to the NB/CPU or changing some references might help?

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Q9550/UD3P BSOD Problem at windows startup

    BSOD error code 0x00000124 is most often too little or to much Vtt, 0x00000101 would be Vcore most often

    From your settings you have posted I would think you may need to bump that Vtt up to 1.3 maybe.

    I'd need to see all your settings to say for sure, but I would try bumping that to 1.3 and lower MCH Core to maybe 1.24-1.28 and see if you have any better luck

  3. #3

    Default Re: Q9550/UD3P BSOD Problem at windows startup

    I tried 1.30 VTT but it didn't help

    So I tried to add MCH volt to 1.32 and till now no BSOD

    My settings:

    ******Motherboard Intelligent Tweaker (M.I.T.)******

    Robust Graphics Booster.........................[ Auto ]
    CPU Clock Ratio.................................[ 8 ]
    Fine CPU Clock Ratio............................[ + 0.5 ]
    CPU Frequency 4.0GHz............................[ 475 x 8.5 ]

    ******Clock Chip Control******

    CPU Host Clock Control..........................[ Enabled ]
    CPU Host Frequency (Mhz)........................[ 475 ]
    PCI Express Frequency (Mhz).....................[ 100 ]
    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.............................[ Turbo ]
    (G) MCH Frequency Latch.........................[ 400MHz ]
    System Memory Multipler.........................[ 2.00D ]
    Memory Frequency 800............................[ 950 ]
    DRAM Timing Selectable..........................[ Manual ]

    CAS Latency Time................................[ 5 ]
    tRCD............................................[ 5 ]
    tRP.............................................[ 5 ]
    tRAS............................................[ 15 ]

    ******Advanced Timing Control******

    tRRD............................................[ Auto ]
    tWTR............................................[ Auto ]
    tWR.............................................[ Auto ]
    tRFC............................................[ 54 ]
    tRTP............................................[ Auto ]
    Command Rate (cmd)..............................[ 2T ]

    ******Channel A Timing Settings******

    Static tRead Value [ 10 ] ...............[ 9 ]
    tRD Phase0 Adjustment [ 0 ] ................[ Auto ]
    tRD Phase1 Adjustment [ 0 ] ................[ Auto ]
    tRD Phase2 Adjustment [ 0 ] ................[ Auto ]
    tRD Phase3 Adjustment [ 0 ] ................[ Auto ]

    tRD 2rd (Differnt Rank) [ 6 ] ................[ Auto ]
    tWR 2wr (Differnt Rank) [ 6 ] ................[ Auto ]
    tWR 2rd (Differnt Rank) [ 5 ] ................[ Auto ]
    tRD 2wr (Same/Difft Rank) [ 8 ] ................[ Auto ]

    Dimm 1 Clock Skew Control.......................[ Auto ]
    Dimm 2 Clock Skew Control.......................[ Auto ]
    DDR Write Training..............................[ Auto ]

    ******Channel A Driving Settings******

    Drive 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 Driving Pull Down Level.....................[ Auto ]
    ctrl Driving Pull Down Level....................[ Auto ]
    clk Driving Pull Down Level.....................[ Auto ]

    ******Channel B Timing Settings******

    Static tRead Value [ 10 ] ...............[ 9 ]
    tRD Phase0 Adjustment [ 0 ] ................[ Auto ]
    tRD Phase1 Adjustment [ 0 ] ................[ Auto ]
    tRD Phase2 Adjustment [ 0 ] ................[ Auto ]
    tRD Phase3 Adjustment [ 0 ] ................[ Auto ]

    tRD 2rd (Differnt Rank) [ 6 ] ................[ Auto ]
    tWR 2wr (Differnt Rank) [ 6 ] ................[ Auto ]
    tWR 2rd (Differnt Rank) [ 5 ] ................[ Auto ]
    tRD 2wr (Same/Difft Rank) [ 8 ] ................[ Auto ]

    Dimm 1 Clock Skew Control.......................[ Auto ]
    Dimm 2 Clock Skew Control.......................[ Auto ]
    DDR Write Training..............................[ Auto ]

    ******Channel B Driving Settings******

    Drive 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 Driving Pull Down Level.....................[ Auto ]
    ctrl Driving Pull Down Level....................[ Auto ]
    clk Driving Pull Down Level.....................[ Auto ]

    ******Motherboard Voltage Control******

    Load-Line Calibration...........................[ Enabled ]
    CPU Vcore [ 1.21250 ]...................[ 1.32 ] 1.296v idle/load CPU-Z
    CPU Termination [ 1.20 ]...................[ 1.28 ]
    CPU PLL [ 1.50 ]...................[ 1.50 ]
    CPU Reference [ 0.760 ]...................[ 0.810 ] ET6 reads 0.760

    MCH Core [ 1.100 ]...................[ 1.32 ]
    MCH Reference [ 0.760 ]...................[ 0.810 ] ET6 reads 0.760
    MCH/DRAM Refernce [ 0.900 ]...................[ 0.960 ]
    ICH I/O [ 1.500 ]...................[ 1.500 ]
    ICH Core [ 1.100 ]...................[ 1.100 ]

    DRAM Voltage [ 1.800 ]...................[ 1.980 ]
    DRAM Termination [ 0.900 ]...................[ 0.960 ] ET6 reads 0.870
    Channel A Ref [ 0.900 ]...................[ 0.960 ] ET6 reads 0.870
    Channel B Ref [ 0.900 ]...................[ 0.960 ] ET6 reads 0.870
    Last edited by aquax; 03-21-2009 at 09:28 PM.

  4. #4

    Default Re: Q9550/UD3P BSOD Problem at windows startup

    update: got BSOD at windows startup again using 1.30v / 1.32v MCH / 1.28v 1.30v VTT

    I'm going to try 1.26v MCH Core and 1.22VTT to see if is going to help

    is it better to leave references @ auto?

    update2: BSOD again using 1.26v MCH Core and 1.22VTT

    Prime Failed after 1 hour using 1.26MCH / 1.22VTT

    currently testing 1.28v MCH / 1.24VTT

    next step if it fails, I will bump CPU vCore 1 notch, I also doubt if my CPU / MCH reference are not setting correctly, not sure what the correct settings to use

    going to run prime for some more time
    Last edited by aquax; 03-22-2009 at 08:18 AM.

  5. #5

    Default Re: Q9550/UD3P BSOD Problem at windows startup

    here is my settings, passed 9h 53min prime 95 blend test, I don't know what I should do if I get BSOD at windows startup again, I'm sure it will be a software issue or so as my system at least is 98% stable which should not crash at windows startup!


  6. #6

    Default Re: Q9550/UD3P BSOD Problem at windows startup

    Hello, I'm still having BSOD at windows statup (0x00000124), although in windows everything is stable and I can use the PC without any BSOD for days.
    Si I really don't know why this BSOD happen, it exactly happen at the area where windows vista load drivers (loading bars screen) and it is very random.
    Settings I tried with no difference:
    Higher VCORE / VTT / MCH / lower and higher references. BSOD still happen
    Tried different LAN / VGA driver. BSOD still happen

    My other step is to play with the performance level settings, it was set to 9, I changed it to 10, also I changed Performance Enhance from Turbo to Standard.
    So I will wait and see it helps or not.
    Last edited by aquax; 03-28-2009 at 12:01 PM.

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