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Thread: GA-EX58-UD5 intermittent POST weirdness involving CPU detect




  1. #1
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    Default GA-EX58-UD5 intermittent POST weirdness involving CPU detect

    Just built a system:

    GA-EX58-UD5 (F12 BIOS)
    6G Corsair TR3X6G1600C8D
    i7 930
    Windows 7 Home Premium
    boot drive is an Intel X25M SSD
    2 other SATA 1.5T drives are connected
    also there are 4 USB externals drives connected
    and 1 external USB LCD display (crystalfontz CFA635-USB)

    When the system is POSTing it prints the CPUID and info, then memory size and speed, then enumerates the drives connected. My issue is that sometimes it takes longer than expected to detect the CPU and then doesn't print any CPU info at all.. goes on to memory and prints that and continues. Whenever it does this, it will subsequently hang during the 'starting windows' screen. After that of course Windows insists on doing a startup repair boot which ultimately finds nothing wrong. Usually the next boot will be OK (although once I got into a weird loop where it always wanted to do startup repair--I had to restore to an earlier point to fix).

    Turning the power off and back on always seems to produce a good POST/windows boot. Reboots are where it is most problematic. Once Windows is booted, it is completely stable--I have been running under continuous load for a few days this way with no issues. Temps are good-- speedtemp reports ~30 idle and ~50 loaded

    Note this problem happens whether I am trying to OC or not. Right now I am running at 3.15 (using the EasyTune6 'Quick Boost' #2 settings) with no problems. Oddly the CPU tab of ET shows the CPU at 3301 MHZ and 34667 MHZ (it alternates every couple seconds).

    Anyone have any insight about my POST issue?

  2. #2
    Lsdmeasap's Avatar
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    Default Re: GA-EX58-UD5 intermittent POST weirdness involving CPU detect

    You have speedstep enabled, you need to disable C1E and EIST in the BIOS. I also advise you do your overclocking there, not with Easytune.

    If you need help with your BIOS Settings grab a template from my signature and give us your BIOS settings.

    Your post issues are likely caused by incorrect BIOS settings, or a lack of since you are using easytune

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    Default Re: GA-EX58-UD5 intermittent POST weirdness involving CPU detect

    I thought F12 was the latest?

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    Default Re: GA-EX58-UD5 intermittent POST weirdness involving CPU detect

    Yes, sorry I edited my post as you were replying.

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    Default Re: GA-EX58-UD5 intermittent POST weirdness involving CPU detect

    Code:
    Advanced CPU Features:
    CPU Clock Ratio ................................ [21x]
    Intel(R) Turbo Boost Tech .................. [Enabled]
    CPU Cores Enabled ............................ [All]
    CPU Multi Threading .......................... [Enabled]
    CPU Enhanced Halt (C1E) ................... [Disabled]
    C3/C6/C7 State Support .................... [Disabled]
    CPU Thermal Monitor ......................... [Enabled]
    CPU EIST Function ............................ [Disabled]
    Virtualization Technology ................... [Enabled] << Disabled if you do not use Vmware or Virtual PC Programs
    Bi-Directional PROCHOT ..................... [Enabled]
    
    
    Uncore & QPI Features:
    QPI Clock Ratio ................................[Auto]
    QPI Link Speed .............................. 5.76 Ghz (grayed out)
    Uncore CLock Ratio ...............................[Auto]
    Uncore Frequency ..........................  3200 Mhz (grayed out)
    Isonchronous Frequency ..................[Enabled]
    
    
    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) .....................160
    PCI Express Frequency (MHz) ........... [Auto]
    
    C.I.A.2 [Disabled]
    
    Advanced Clock Control:
    CPU Clock Drive ..............................[700mV]
    PCI Express Clock Drive ................... [700mV]
    CPU Clock Skew ............................. [0ps]
    IOH Clock Skew ............................. [0ps]
    
    
    Advanced DRAM Features:
    Performance Enhance ...................... [Turbo]
    Extreme Memory Profile (X.M.P) ......... [Disabled]
    System Memory Multiplier (SPD) ........ [AUTO]
    DRAM Timing Selectable (SPD) .......... [Auto]
    
    Channel A + B + C
    
    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ......................8
    tRCD .......................................8
    tRP .........................................8
    tRAS .......................................20
    
    Below values may be left in Auto if you like, generally this is fine.  For those users who DO Set advanced timings manually, please see some of my thoughts and findings about these settings and rules here
    XtremeSystems Forums - View Single Post - Gigabyte EX58-UD5/Extreme Discussion Thread
    
    ##Channel A Advanced Timing Control##
    tRC ........................................27  (Should be = tRAS + tRP or above for stability)
    tRRD .......................................4
    tWTR ......................................4 (Must be Write to Read Delay/Same Rank - (tWL + 4)
    tWR ........................................8
    tWTP .......................................19   (tWTP Must = tWR + tWL + 4)
    tWL ........................................7    (tWL Must be CAS Latency -1)
    tRFC .......................................60
    tRTP .......................................4
    tFAW ......................................20
    Command Rate (CMD) ................1
    
    ##Channel A Misc Timing Control##
    Round Trip Latency ...................70
    
    (B and C have same values except Latency B=73 C=74)
    
    
    
    Advanced Voltage Control:
    
    CPU
    Load Line Calibration ................. [Disabled]
    CPU Vcore ...............................1.275
    QPI/VTT Voltage 1.150v ............1.175
    CPU PLL 1.800v .......................
    
    MCH/ICH
    PCIE 1.500v ...........................
    QPI PLL 1.100v .......................
    IOH Core 1.100v .....................
    ICH I/O 1.500v .......................
    ICH Core 1.1v ........................
    
    DRAM
    DRAM Voltage 1.500v ..............
    DRAM Termination 0.750v [AUTO]
    Ch-A Data VRef. 0.750v [AUTO]
    Ch-B Data VRef. 0.750v [AUTO]
    Ch-C Data VRef. 0.750v [AUTO]
    Ch-A Address VRef. 0.750v [AUTO]
    Ch-B Address VRef. 0.750v [AUTO]
    Ch-C Address VRef. 0.750v [AUTO]h-B Address VRef. 0.750v [AUTO] Ch-C Address VRef. 0.750v [AUTO]

  6. #6
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    Default Re: GA-EX58-UD5 intermittent POST weirdness involving CPU detect

    You are using Fail safe, this is part of your issues. I will help you with settings, but please do this first and then post back again your new settings.

    Please go into the BIOS and load optimized defaults, then save/apply/F10. When you reboot via F10 please go BACK to the BIOS before windows, DO NOT LOAD WINDOWS. Once in the BIOS set your SATA/Disk settings again, VERY IMPORTANT if you are using RAID, if you are set RAID Again and reboot back to the BIOS once more to move your array back to the top of your hard drive boot disk priority. Then try your settings again, and post the new ones here and I will advise back.

    You are using some incorrect Auto values, but I will help once you do the above and give me your new settings. Starting from Fail Safe will not work, you must do as I said above first.

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    Default Re: GA-EX58-UD5 intermittent POST weirdness involving CPU detect

    I did a clear CMOS followed by Load Optimized and made sure my boot order was correct, etc. But I still have the same intermittant POST issues (CPU isn't listed) even before making any other BIOS changes (OC, etc). Booting to windows I got a few BSOD right at the moment the login screen would appear. (this is not a new symptom, it had happened before also).

    Again, this is intermittent. I was eventually able to get a clean POST and boot into windows. I have not experienced ANY instability or BSOD once Windows finishes booting.

  8. #8
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    Default Re: GA-EX58-UD5 intermittent POST weirdness involving CPU detect

    So, where is your new settings??? Sorry, I came to help expecting to see your new settings so I could advise back

    Get me your new settings since you have now started with optimized and I will advise back some changes for you to try.

    Do you have quick boot enabled? If so please disable for now. Also, please remove all USB external drives as these can cause issues. Just until we figure out what is causing the hang.

    What PSU do you have?

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