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Thread: Recovering Lost DRAM Error... X58A-UD3R rev 1.0




  1. #1
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    Default Recovering Lost DRAM Error... X58A-UD3R rev 1.0

    Hi,
    I've had my X58A-UD3R for over a year now without this issue. The other night it decided to cut power and reset giving the above error. It's been doing it every startup since. I have not changed the hardware setup in over a year, nor any of the settings.
    The hardware is:
    Motherboard: X58A-UD3R rev 1.0
    CPU: Intel i7-920
    RAM: 4x 4GB Mach Xtreme Copper DDR3 1333M

    Windows is now only picking up 8190MB RAM and the BIOS is picking all 16GB RAM but only 8GB is enabled...

    BIOS information is below:
    MIT Status
    DIMM(s) 1 2 3 4 5 6
    DIMM Slot (MB) 4096 4096 4096 4096 - -
    Enabled Slot (MB) 4096 4096 - - - -
    Total Memory Size (MB) 8192

    Advanced Frequency Settings
    CPU Clock Ratio 20X
    CPU Frequency 2.66GHz (133x20)
    QPI Clock Ratio Auto
    QPI Link Speed 4.8GHz
    Uncore Clock Ratio Auto
    Uncore Frequency 2667MHz
    >>>Standard Clock Control
    Base Clock (BCLK) Control Disabled
    x BCLK Frequency (MHz) 133
    System Memory Multiplier (SPD) Auto
    Memory Frequency (MHz) 1066 1066
    PCI Express Frequency (MHz) Auto
    >>>Advanced Clock Control
    CPU Clock Drive 800mV
    PCI Express Clock Drive 900mV
    CPU Clock Skew 0ps
    IOH Clock Skew 0ps

    Advanced Memory Settings
    System Memory Multiplier (SPD) Auto
    Memory Frequency (MHz) 066 1066
    Performance Enhance Standard
    DRAM Timing Selectable (SPD) Auto
    Profile DDR Voltage 1.5V
    Profile QPI Voltage 1.15V
    xChannel Interleaving 6 Auto
    xRank Interleaving 4 Auto

    Channel Timing Settings
    >>>>>Channel Standard Timing Control
    Channel A B C
    xCAS Latency Time 7 Auto 7 Auto - Auto
    xtRCD 7 Auto - Auto - Auto
    xtRP 7 Auto - Auto - Auto
    xtRAS 20 Auto - Auto - Auto
    >>>>>Channel Advanced Timing Control
    xtRC 27 Auto - Auto - Auto
    xtRRD 4 Auto - Auto - Auto
    xtWTR 4 Auto - Auto - Auto
    xtWR 8 Auto - Auto - Auto
    xtWTP 12 Auto - Auto - Auto
    xtWL 7 Auto - Auto - Auto
    xtRFC 86 Auto - Auto - Auto
    xtRTP 4 Auto - Auto - Auto
    xtFAW 16 Auto - Auto - Auto
    xCommand Rate (CMD) 2 Auto - Auto - Auto
    >>>>>Channel Misc Timing Control
    xB2B CAS Delay - Auto - Auto - Auto
    xRound Trip Latency 47 Auto - Auto - Auto

    Channel Turnaround Settings
    >>>>>Channel Reads Followed by Reads
    A B C
    xDifferent DIMMS 6 Auto 6 Auto - Auto
    xDifferent Ranks 5 Auto 5 Auto - Auto
    xOn The Same Rank 1 Auto 1 Auto - Auto
    >>>>>Channel Writes Followed by Writes
    xDifferent DIMMS 6 Auto 6 Auto - Auto
    xDifferent Ranks 6 Auto 6 Auto - Auto
    xOn The Same Rank 1 Auto 1 Auto - Auto

    Advanced Voltage Settings
    Voltage Types Normal Current
    >>>CPU
    Load-Line Calibration Auto
    CPU Vcore 1.26875V Auto
    xDynamic Vcore (DVID) +0.00000V Auto
    QPI/Vtt Voltage 1.150V Auto <- I have tried setting this at 1.36V and 1.34V and the DRAM Voltage at 1.66V and 1.64V
    CPU PLL 1.800V Auto
    >>>MCH/RCH
    PCIE 1.500V Auto
    QPI PLL 1.100V Auto
    IOH Core 1.100V Auto
    ICH I/O 1.500V Auto
    ICH Core 1.100V Auto
    >>>DRAM
    DRAM Voltage 1.500V Auto <- I have tried setting this at 1.66V and 1.64V with no difference and the QPI/Vtt voltage at 1.36V and 1.34V
    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

    Any help would be appreciated.

  2. #2
    Chike is offline Senior Member
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    Default Re: Recovering Lost DRAM Error... X58A-UD3R rev 1.0

    If your memory is in slots 1,2,3, and 4, it's a dual channel configuration.
    Try tri-channel configuration in slots 1,2, 4, and 5.
    Set DRAM voltage to 1.5 or 1.52v and try with QPI/VTT 1.3-1.35v.
    If this does not work try 3 DIMMs in slots 1,3, and 5.

  3. #3
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Recovering Lost DRAM Error... X58A-UD3R rev 1.0

    Any update on this? Just checking in.

    Did you always use all auto settings? When it was working I mean, I see you have noted changes you tried.

    Uncore may need manually set, set this to 2 x your memory multiplier, or 2x +1-2

  4. #4
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    Default Re: Recovering Lost DRAM Error... X58A-UD3R rev 1.0

    Quote Originally Posted by Chike View Post
    If your memory is in slots 1,2,3, and 4, it's a dual channel configuration.
    Try tri-channel configuration in slots 1,2, 4, and 5.
    Set DRAM voltage to 1.5 or 1.52v and try with QPI/VTT 1.3-1.35v.
    If this does not work try 3 DIMMs in slots 1,3, and 5.
    Thanks, I haven't been home to try it but I'll give it a go tomorrow.

    Quote Originally Posted by Lsdmeasap View Post
    Any update on this? Just checking in.

    Did you always use all auto settings? When it was working I mean, I see you have noted changes you tried.

    Uncore may need manually set, set this to 2 x your memory multiplier, or 2x +1-2
    I have always left the settings on Auto.
    How can I find out what my memory multiplier is since it's set to Auto?
    Thanks for your help :)

  5. #5
    Lsdmeasap's Avatar
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    Default Re: Recovering Lost DRAM Error... X58A-UD3R rev 1.0

    You can see what memory multiplier is used with auto by looking at the current memory speed in the MIT top info section of the BIOS, or the main page of the MIT section will also show the memory and CPU speed.

    You can also check with CPU-z in windows, the memory speed with be 2 x what you see in the Memory tab of CPU-z
    CPUID - System & hardware benchmark, monitoring, reporting

    Since it's auto, it's very likely that the memory speed is 1066 or 1333, and this would be x8 or x10 used by auto memory multiplier. So depending on which it is, you'd want to set Uncore to x16 or x20, and you may also need to manually set the QPI/Vtt, as you've already been testing.

    Have you ran Memtest86+ on each module one at a time lately? If not, run at least 5 full passes on each stick one at a time, just to be sure the memory is all working properly
    Memtest86+ - Advanced Memory Diagnostic Tool

    Can you give us the full model number of your memory, or a link to it's web page, thanks!

    Do you know what BIOS version you had been using for that year where you didn't have any issues? If you do, is it the same version that's showing now?

  6. #6
    Chike is offline Senior Member
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    Default Re: Recovering Lost DRAM Error... X58A-UD3R rev 1.0

    Quote Originally Posted by Chike View Post
    Try tri-channel configuration in slots 1,2, 4, and 5.
    Oopsy, this obviousely a mistake, sorry, should be 1,2,3, and 5, for a tri-channel with 4 modules.

  7. #7
    Lsdmeasap's Avatar
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    Default Re: Recovering Lost DRAM Error... X58A-UD3R rev 1.0

    Ya, and you may need to remind users this (1, 3, 5) is physical 2, 4, 6 (White) from the CPU

  8. #8
    Acebmxer's Avatar
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    Default Re: Recovering Lost DRAM Error... X58A-UD3R rev 1.0

    I didnt think it was possible to run Tripple channel with 4 sticks of ram. Wouldnt that force it to duel channel?
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  9. #9
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    Default Re: Recovering Lost DRAM Error... X58A-UD3R rev 1.0

    Yes, it will break triple channel, so it's not ideal at all due to that and due to it being an odd configuration for the board/CPU.

  10. #10
    Chike is offline Senior Member
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    Default Re: Recovering Lost DRAM Error... X58A-UD3R rev 1.0

    Quote Originally Posted by Acebmxer View Post
    I didnt think it was possible to run Tripple channel with 4 sticks of ram. Wouldnt that force it to duel channel?
    Wll ya have to read the manual :)

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