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Thread: X58 UD7 Rev.2 i7-950 Cold Boot Problem




  1. #1
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    Default X58 UD7 Rev.2 i7-950 Cold Boot Problem

    Hi,
    I’m angry at myself that I should’ve bought a UD7 Rev.1 and i7-920 instead (which can run on lower voltages/temperatures – Vcore/1.27500V VTT/1.255V) to avoid this nightmare.
    Below are my settings which I have done some tests with different adjustments on lower voltages. Under Prime95 system is stable, under normal usage or games system is also stable.
    I installed latest chipset driver (over the top). I couldn’t find how to uninstall old ones. Can you please advice proper installation of the chipset drivers?
    The system was shut down for 12hrs (each day). Cold boot O.K.
    Computer switched off for 24Hhrs. Cold boot problem.
    Tested with CorsAir CMG6GX3M3A 1866C7 - Still the same problem.
    a. Temperatures under Prime95 (when case is closed and under the desk) 85 84 82 80
    b. Temperatures under Prime95 (when case is opened and out of the desk, more space) 80 77 76 74
    c. But the same problem exists – cold boot problem after 20 minutes or 12hrs or 24 hrs. Not always but most of the time.
    d. Under X.M.P. profile 3.02GHz running and booting normally.

    What is the best BIOS version for X58-UD7 Rev. 2. Please advise.

    Any help appreciated.
    Garland

    P. S. This is not all of it because I exceeded the maximum amount of characters in this post and I couldn't attach the word document to this post because it is larger than 150KB (maximum size to attach) any Idea how I can give you the file?
    Attached Files Attached Files

  2. #2
    Chike is offline Senior Member
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    Default Re: X58 UD7 Rev.2 i7-950 Cold Boot Problem

    And by "cold boot problem" you mean?

  3. #3
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    Default Re: X58 UD7 Rev.2 i7-950 Cold Boot Problem

    What's CPU and qpi/vtt voltage set to? Auto? Set dram voltage to what's printed on the ram,either 1.55v or 1.66v

    Cold boot means rebooting from cold? Once warm its fine?
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  4. #4
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    Default Re: X58 UD7 Rev.2 i7-950 Cold Boot Problem

    Thanks for reply,
    When the system is restarted – no problems.
    When the system is shut down for 20 minutes or 12hrs or 24 hrs – cold boot problem (at the post screen massage about overclocking and it’s coming back/resetting to 2.6GHz).
    Memory installed: G-Skills 6GB PC-12800 (3x2GB) (1600MHz) 6-8-6-20-2N F3-12800CL6T-6GBPI 1.6V.All of my hardware setup and BIOS settings are attached in text file if you don't mind taking a look.

    Thanks
    Garland


    Last edited by Garland; 07-16-2011 at 01:22 PM.

  5. #5
    Chike is offline Senior Member
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    Default Re: X58 UD7 Rev.2 i7-950 Cold Boot Problem

    Can you please attach a text report of CPU-Z?
    Would this happen after just a minute or less of power off, or 20 minues is the shortest time that will cause it?

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    Default Re: X58 UD7 Rev.2 i7-950 Cold Boot Problem

    Quote Originally Posted by Chike View Post
    Can you please attach a text report of CPU-Z?
    Would this happen after just a minute or less of power off, or 20 minues is the shortest time that will cause it?
    It's hard to say the shortest time. But most of the time it is like after 12hrs occasionally but after 24hrs 100% cold boot problem.

    On CPU-Z is different multiplier but I did not change the voltages. Doesn't matter if different multipliers at 4GHz applied, still the same problem.

    P. S. I'll get a text report of CPU-Z shortly.
    Attached Images Attached Images X58 UD7 Rev.2  i7-950 Cold Boot Problem-cpu-4011-13-mhz-jpg 
    Last edited by Garland; 07-16-2011 at 07:35 PM.

  7. #7
    Chike is offline Senior Member
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    Default Re: X58 UD7 Rev.2 i7-950 Cold Boot Problem

    The CPU-Z text report, you make it in the about tab.
    Would this happen if you run stock and just the memory overclocked to DDR-1600?

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    Default Re: X58 UD7 Rev.2 i7-950 Cold Boot Problem

    Quote Originally Posted by Chike View Post
    The CPU-Z text report, you make it in the about tab.
    Would this happen if you run stock and just the memory overclocked to DDR-1600?
    - I don't know, how to do it?

    Report attached but this morning I have changed voltages to determinate if there will be some improvements.

    I have increased/adjusted voltages to (Vcore and QPI/VTT about 5 notches up):
    >>>CPU Voltages

    LoadLine Calibration....................................... ...............[ Level 2 ]
    CPU Vcore.......................................1.1125 0V...............[ 1.3305V ] (first white letters – second yellow)
    Dynamic Vcore (DVID) ................+0.00000V Auto (light blue colour)
    QPI/VTT Voltage.............................1.175V........ ...........[ 1.3350V ] (first white letters – second yellow)
    CPU PLL..........................................1.800 V...................[ 1.840V ] (first white letters – second yellow)

    >>>MCH/ICH

    PCIE......................1.500V...............[ 1.500 ] (first white letters – second yellow)
    QPI PLL................1.100V...............[ 1.180V ] (first white letters – second yellow)
    IOH Core...............1.100V...............[ 1.180V ] (first white letters – second yellow)
    ICH I/O..................1.500V...............[ 1.500 ] (first white letters – second yellow)
    ICH Core................1.100V...............[ 1.140 ] (first white letters – second yellow)

    With above settings right now I’m getting on Prime95 Full Load 30 minutes of run: 86 83 81 79
    Now it’s a bit of a long process for me to investigate where is the problem because the system has to be shut down for 24hrs to see if boot is O. K. and lower the voltages if O. K.
    Attached Files Attached Files
    Last edited by Garland; 07-16-2011 at 08:16 PM.

  9. #9
    Chike is offline Senior Member
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    Default Re: X58 UD7 Rev.2 i7-950 Cold Boot Problem

    I see you also changed BCLK.
    If you back to 200MHz BCLK try increasing DRAM Voltage a notch or two.
    When you have the cold boot problem do you just save settings and reboot fine?

  10. #10
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    Default Re: X58 UD7 Rev.2 i7-950 Cold Boot Problem

    Quote Originally Posted by Chike View Post
    I see you also changed BCLK.
    If you back to 200MHz BCLK try increasing DRAM Voltage a notch or two.
    When you have the cold boot problem do you just save settings and reboot fine?
    - When you have the cold boot problem do you just save settings and reboot fine? I'm sorry but this is not clear for me.

    My memory is: G-Skills 6GB PC-12800 (3x2GB) (1600MHz) 6-8-6-20-2N F3-12800CL6T-6GBPI 1.6V (DRAM voltage printed on the label 1.6V).
    You think this RAM can be locked to 1.65V without any damages???

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