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Thread: X58A-UD3R: Missing Memory only at 1600MHz




  1. #271
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    Default Re: X58A-UD3R: Missing Memory only at 1600MHz

    I bumped up the VCore further to 1.41250V and had prime going for 5 minutes before 0x24 BSOD.

    Code:
    Advanced CPU Features:
    CPU Clock Ratio ............................ [20x]
    Intel(R) Turbo Boost Tech .................. [Disabled]
    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]
    Bi-Directional PROCHOT ..................... [Enabled]
    
    
    Uncore & QPI Features:
    QPI Link Speed ............................ [36x]
    Uncore Frequency .......................... [3200Mhz] 
    Isonchronous Frequency .................... [Enabled]
    
    
    Standard Clock Control:
    Base Clock (BCLK) Control ................ [Enabled]
    BCLK Frequency (MHz) ..................... 200MHz
    PCI Express Frequency (MHz) .............. [100] 
    
    C.I.A.2 [Disabled]   <---- Can't see this option
    
    Advanced Clock Control:
    CPU Clock Drive ............................ [800mV]
    PCI Express Clock Drive .................... [900mV]
    CPU Clock Skew ............................. [0ps]
    IOH Clock Skew ............................. [0ps]
    
    
    Advanced DRAM Features:
    Performance Enhance ...................... [Expert]
    Extreme Memory Profile (X.M.P) ........... [Disabled]
    System Memory Multiplier (SPD) ........... [8.0]
    DRAM Timing Selectable (SPD) ............. [Expert]
    
    Channel A + B + C
    
    Channel A Timing Settings:
    ##Channel A Standard Timing Control##
    CAS Latency Time ...................... 9
    tRCD ....................................... 9
    tRP ......................................... 9
    tRAS ....................................... 24
    
    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 ........................................  (Should be = tRAS + tRP or above for stability)
    tRRD .......................................
    tWTR ...................................... (Must be Write to Read Delay/Same Rank - (tWL + 4)
    tWR ........................................
    tWTP .......................................   (tWTP Must = tWR + tWL + 4)
    tWL ........................................    (tWL Must be CAS Latency -1)
    tRFC .......................................
    tRTP .......................................
    tFAW ......................................
    Command Rate (CMD) ................ [1]
    
    ##Channel A Misc Timing Control##
    Round Trip Latency ...................
    
    
    
    Advanced Voltage Control:
    
    CPU
    Load Line Calibration ................. [Level1]
    CPU Vcore ............................. [1.4250V]
    QPI/VTT Voltage 1.150v ................ [1.34V]
    CPU PLL 1.800v ........................ [1.800V]
    
    MCH/ICH
    PCIE 1.500v ........................... [1.500V]
    QPI PLL 1.100v ........................ [1.200V]
    IOH Core 1.100v ....................... [1.140V]
    ICH I/O 1.500v ........................ [1.500V]
    ICH Core 1.1v ......................... [1.100V]
    
    DRAM
    DRAM Voltage 1.500v .................. [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]

  2. #272
    Lsdmeasap's Avatar
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    Default Re: X58A-UD3R: Missing Memory only at 1600MHz

    Ahh I see the possible issue.

    Please use x19 or x21 CPU multi, x20 is unstable and often requires way more voltage than it should. Try 19 or 21 and you will have much better luck finding your voltages

    When using x8 memory multi x17-x18 may be best on the uncore, but you can try x16 first if you want

    I think the issue is your 20 CPU multi, get off that and see if you have an easier go at it, I think you will.

    Try 190x21 or 210x19

  3. #273
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    Default Re: X58A-UD3R: Missing Memory only at 1600MHz

    190x21. Uncore set to x17. VCore at 1.4000V. Seems to be stable. :) If the even multiplier was drawing more power then presumably I could start dropping VCore next (and maybe the other voltages)? I'd also like to enable C1E.

  4. #274
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    Default Re: X58A-UD3R: Missing Memory only at 1600MHz

    I suggest against C1E since you are overclocking, but that is all up to you.

    I'd see if it is stable before you go about dropping any voltages, or enabling C1E

  5. #275
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    Default Re: X58A-UD3R: Missing Memory only at 1600MHz

    The reason I think C1E is because wouldn't it help the CPU last longer? (ie. counter the negative effects of the higher bclk and voltages)

  6. #276
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    Default Re: X58A-UD3R: Missing Memory only at 1600MHz

    The CPU will last far longer than your desire to own it really, I wouldn't worry about it at all like that.

  7. #277
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    Default Re: X58A-UD3R: Missing Memory only at 1600MHz

    Hrm fair enough. I'll play around with the voltages tomorrow and see what I can get them down to stably.

  8. #278
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    Default Re: X58A-UD3R: Missing Memory only at 1600MHz

    You know what I mean right? By the time that CPU is dying, could be 10+ years even overclocked, you will for sure by then want a new board and CPU anyway.

    Good luck tweaking, and again I am glad your memory is sticking at 6GB now finally!!

  9. #279
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  10. #280
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    Default Re: X58A-UD3R: Missing Memory only at 1600MHz

    Yep! Had prime95 running for about 40 minutes now rock solid. :) Was getting 2 digit hex BSODs after 5-or-so minutes with any lower voltages so appear to be at the fringe.

    CPU @ 3.99GHz (210x19). VCore 1.38750V. RAM at 1680MHz, too.

    Also, a friend just pointed out that this is in winter so I might have to revisit this in summer lol.
    Last edited by kalidav; 06-22-2010 at 11:17 AM.

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