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Thread: Video Unstable : GIGABYTE GA-X58A-UD3R(rev. 2.0) with OCZ3G1333LV6GK




  1. #1
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    Default Video Unstable : GIGABYTE GA-X58A-UD3R(rev. 2.0) with OCZ3G1333LV6GK

    The system was very unstable until I had help in changing some of the values in the BIOS, which made it more stable (no BSOD) - but now I am at the end of my rope of what to do.

    History: I had 3 sticks (6G) in the system and the sytem was great - worked for a week with one monitor flawlessly. I work with many VM's so I added a second monitor and bought another 6G of memory - same kind, tripple channel OCZ set. When adding all the ram the system suddenly had BSOD (blue screen of deaths), about 4-6 a day. Talking to manufacturer, they suggested changing the memory to 1.64V, and the changes to 1.64v made it "more stable". But now the video loses its mind (dual monitors, the videos card blanks, refresh and then only one monitor is visible, or the screen goes all "static", games barf, sound loses and every once in a great while the system freezes.)

    Further help changed the timing to 9-9-9-20, but not much better. I then started digging around a lot and tying to understand what to do next, because everything else has this big red "YOUR SYSTEM WILL MELT IF YOU TOUCH THIS" on it! And the manufacturer said "look it up and test it" - So, I thought I would ask before making any more dangerous changes that I do not fully understand. I used that "pay for expert site" (thought I would try it) and they suggested these changes:

    1 - Up the DRAM Voltage to 1.66V
    2 - Change the tRFC from 86(auto) to 88
    3 - Lower the Command Rate to 1

    But then I found this site and other posts here with the same memory but different systems, I saw the recommendation was to keep the Command Rate to 2 for stability. Other posts here (to summarize) lead me to think to make these changes as well:

    4 - Keep the Command Rate to 2
    5 - It was good to set the DRAM Voltage to 1.66V
    6 - Change tRAS to 24 for stability
    7 - Change QPI/Vtt from 1.2v to 1.3v or even 1.4v
    8 - Change ICH Core from 1.1V to1.16V

    Now, I understand 1, 5 and 6 (and somewhat 4) - the others, should I do those? (And then started to think:

    9 - Should the CH-A Data and Address voltages change or be kept at 0.75V since I changed the DRAM Voltage? )

    These are things I am just not ready to do without some expert advice, I would hate to fry $$$ in the hundreds if I can help it!!!

    Thank you VERY much for taking the time to read this and (hopefully) help out a lost computer user... (Maybe I can even pay YOU for a good answer! )

    ( Here's the full specs on what I can think of and could gather for your help .... )

    Code:
    Motherboard:   Gigabyte GA-X58A-UD3R (rev 2.0)
    Memory:        6 x 2G OCZ 1066 : OCZ3G1333LV6GK
    CPU:           Intel i7 930 @ 2.8
    BIOS Version:  FA
    Video Card:    NVidia GTS-250 1G
    OS:            Windows 7 64Bit - Ultimate
    Power Supply:  650W
    Hard Drives:   2 SATA, 1 DVD



    From other posts I have seen, you typically want the BIOS settings, so here is what I see mine at right now:


    ----------- General Settings (read only page) --------------------------------
    Code:
    BCLK             134.99        QPI Frequency   4856 (36x)
    CPU Freq.        2969.00       UnCore Freq.    2159 (16x)
    Memory Freq      1079.00       Memory Freq.    1079 ( 8x)
    Total Memory     12288      
    VCore            1.216 V
    DRAM Voltage     1.632 V
    
    All memory chips: tCL = 9 , tRCD = 9 , tRP = 9  , tRAS = 20
                      tRRD = 4, tWTP = 19, tRFC = 86, tCMD = 2 
    
    ----------- ADVANCED MEMORY FREQUENCIES ----------------------
    Code:
     CPU Clock Ratio                [  21x ]
    QPI Clock Ratio                [ Auto ]      ( QPI Link Speed = 4.86Ghz )
    UnCore Clock Ratio             [ Auto ]
    Base Clock (BCLK) Control      [ Disabled ]  ( BCLK Feq 133 )
    System Memory Multiplier (SPD) [ Auto ]      ( Memory Frequency 1066 )
    PCI Express Frequency          [ Auto ]
    CPU Clock Drive                [ 800mv ]
    PCI Express Clock Drive        [ 900mv ]
    CPU Clock Skew                 [   0ps ]
    IOH Clock Skew                 [   0ps ]
    
    --------------- ADVANCED MEMORY SETTINGS ---------------------
    Code:
     System Memory Multiplier (SPD)        [ Auto ]
    Performance Enhanced                  [ Standard ]
    DRAM Timing Selectable (SPD)          [ Quick ]       < --- My Change
    Profile DDR Voltage = 1.5V
    Profile QPI Voltage = 1.2V
    Channel Interleaving               6  [ Auto ]
    Rank Interleaving                  4  [ Auto ]
    
    Channel A/B/C Timing  CAS          8  [    9 ]    <-- My Change
                          tRCD         8  [    9 ]    <-- My Change
                          tRP          8  [    9 ]    <-- My Change
                          tRAS        16  [   20 ]    <-- My Change
                          tRC         27  [ Auto ]
                          tRRD         4  [ Auto ]
                          tWTR         4  [ Auto ]
                          tWR          8  [ Auto ]
                          tWTP        19  [ Auto ]
                          tWL          7  [ Auto ]
                          tRFC        86  [ Auto ]
                          tRTP         4  [ Auto ]
                          tFAW        16  [ Auto ]
             Command Rate (CMD)        2  [ Auto ]
             B2B CAS Delay             -  [ Auto ]
             Round Trip Latency       54  [ Auto ]
    
    Turnaround Settings:  
    Reads:   Different DIMMS           6  [ Auto ]
             Different Ranks           5  [ Auto ]
             On the same Rank          1  [ Auto ]
    Writes:  Different DIMMS           6  [ Auto ]
             Different Ranks           6  [ Auto ]
             On the same Rank          1  [ Auto ]
    
    --------------------- ADVANCED VOLTAGE SETTINGS --------------------
    Code:
     Load Line Calibration                 [ Standard ]
    CPU VCore                             [ 1.25000 V ] ( Dynamic VCore (DVID) +0.000 auto)
    QPI / Vtt Voltage             1.200V  [ Auto ]
    CPU PLL                       1.800V  [ Auto ]
    PCIE                          1.500V  [ Auto ]
    QPI PLL                       1.100V  [ Auto ]
    IOH Core                      1.100V  [ Auto ]
    DRAM Voltage                  1.500V  [ 1.64V ]    <-- My Change
    DRAM Termination              0.750V  [ Auto ]
    CH-A/B/C Data VRef            0.750V  [ Auto ]
    CH-A/B/C Address VRef         0.075V  [ Auto ]
    

  2. #2
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    Default Re: Video Unstable : GIGABYTE GA-X58A-UD3R(rev. 2.0) with OCZ3G1333LV6GK

    you need to set qpi/vtt voltage yourself,12gb will be harder to get stable than 6gb,i would try with 1.38000v for qpi/vtt,dram 1.66v,uncore freq set to twice your mem multi plus one so 8x mem multi will be 17x uncore freq,set system performance enhance to standard,everything else can be left on auto,set memory timings according to memory spec
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  3. #3
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    Default Re: Video Unstable : GIGABYTE GA-X58A-UD3R(rev. 2.0) with OCZ3G1333LV6GK

    12G harder to get stable - that is the understatement of the year so far!

    But THANK YOU for responding! I tested the "uncore" and set it to 17, which set my memory at 1333, which completely was unstable... so I think I can safely set it back to auto (1066), right? I made those changes and it booted - then "POOF" - reset, so I don't know if this can handle 1333. Changed back to auto and I am up and running again.

    However, (crossing fingers) my system so far seems to be stable with both monitors and all memory... sweet! Just like it should be!

    However, I got conflicting info - OCZ Techs say I only need 1.35 for QPI/Vtt and I did need the 88 for tRFC, which is what I used instead, so do you think that would have made the difference for uncore? (that sounded great, but I have no clue what I just said! )

    If the system stays stable (off to play a game) I can live with 1066!

    But again, thank you so much for your help!

    (and btw - if I confused anyone else - all I changed to be stable from what I posted in the above details are this:

    1. Changed DRAM Voltage to 1.66 in the "Advanced Voltage Settings"
    2. Changed QPI /Vtt to 1.34 in the "Advanced Voltage Settings"
    3. Changed tRFC to 88 in the "Advanced Memory Settings" / "Channel A Timing"

    I can report back in a few days to let everyone know how it goes, but so far - have a great day!

  4. #4
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    Default Re: Video Unstable : GIGABYTE GA-X58A-UD3R(rev. 2.0) with OCZ3G1333LV6GK

    for 1333mhz you will need more qpi/vtt voltage,as for trfc try setting it to 100 with 1.36v qpi/vtt voltage and see if it improves things

    what qpi/vtt voltage is auto using?
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  5. #5
    Acebmxer's Avatar
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    Default Re: Video Unstable : GIGABYTE GA-X58A-UD3R(rev. 2.0) with OCZ3G1333LV6GK

    Quote Originally Posted by Referee98 View Post
    However, I got conflicting info - OCZ Techs say I only need 1.35 for QPI/Vtt and I did need the 88 for tRFC, which is what I used instead, so do you think that would have made the difference for uncore? (that sounded great, but I have no clue what I just said! )
    No one can tell you exactly what voltage you will need to run your ram with your cpu and your motherboard. They can suggest what voltages to use or say this is what it took to get there system stable. You could do this more with the P45's but now with the x58's and P55 cpus having the memory controller on the cpu die things change.

    My suggestion would be to try and get 6gb running stable at or as close to its rated speed first this will tell you how strong or how weak your IMC is in your cpu and how much qpi/vtt voltage is needed.

    Uncore Rule - Uncore has to be 2x memory multi. +1 or +2 or more is ok but will require more qpi/vtt voltage. Suggested 2x +1 or +2 for stability. Also make sure you are not trying to push uncore past 4.0ghz. Most cpus top out around 4.0ghz uncore speed some can go higher. Higher Uncore speed requires more qpi/vtt voltage
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  6. #6
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    Default Re: Video Unstable : GIGABYTE GA-X58A-UD3R(rev. 2.0) with OCZ3G1333LV6GK

    I am not really sure where to get the auto QPI/Vtt, I think it said 1.2, but I am not sure I read the right place.

    I have it set at 1.36 now, and the system seems stable except for 2 things:

    1. - StartCraft II died BSOD once, second time it played for a short time.
    2. - My Monitors stick around longer in the day, but the first one did lose connection.

    All other activity seems to be OK, all the VM's run great and sound is no problem. What are these memory tests I read about, Prime95 and such? Which one would be the best to run?

    I am also starting to wonder if the Video card or monitors have issues... but I don't see how if one monitor can cause the other one to not be recognized by the system? Unless its the video card itself... but then again I have 2 of them and they both do that...

    Just baffling to me...

    Thank you for all the great help!

  7. #7
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    Default Re: Video Unstable : GIGABYTE GA-X58A-UD3R(rev. 2.0) with OCZ3G1333LV6GK

    you can try memtest86 http://www.memtest86.com/memtest86-3.5.iso.zip try with a few clicks more on iho and ich core in the bios
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  8. #8
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    Default Re: Video Unstable : GIGABYTE GA-X58A-UD3R(rev. 2.0) with OCZ3G1333LV6GK

    OK - I ran the memory test for over 4 hours, and no error detected - that is a good indication I have the correct memory settings, right? (How long should I let it run?)

    I also started reading on the new i7's, and they have something that relates to PCI Express, is that the iho settings you mentioned? Will have to read more on that to get a better picture... never thought I would be back in hardware again! Oh what fun!

    But thank you again for helping me out! Should have came here first and saved myself weeks of frustration! :-)

  9. #9
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    Default Re: Video Unstable : GIGABYTE GA-X58A-UD3R(rev. 2.0) with OCZ3G1333LV6GK

    i think 4 hours testing would have shown any errors,pici express should be fine on auto which is 100mhz,you can try upto 103mhz but it might be unstable,i would add two clicks up on voltage on each of ioh and ich core,that affects the gpu
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  10. #10
    Acebmxer's Avatar
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    Default Re: Video Unstable : GIGABYTE GA-X58A-UD3R(rev. 2.0) with OCZ3G1333LV6GK

    Quote Originally Posted by Referee98 View Post
    I am not really sure where to get the auto QPI/Vtt, I think it said 1.2, but I am not sure I read the right place.

    I have it set at 1.36 now, and the system seems stable except for 2 things:

    1. - StartCraft II died BSOD once, second time it played for a short time.
    2. - My Monitors stick around longer in the day, but the first one did lose connection.

    All other activity seems to be OK, all the VM's run great and sound is no problem. What are these memory tests I read about, Prime95 and such? Which one would be the best to run?

    I am also starting to wonder if the Video card or monitors have issues... but I don't see how if one monitor can cause the other one to not be recognized by the system? Unless its the video card itself... but then again I have 2 of them and they both do that...

    Just baffling to me...

    Thank you for all the great help!
    What was the BSOD error code?

    Set PCI-E to 100... You shouldnt need more then that untill you get to 200+ bclk. at 224-225 bclk set pci-e to 102-103. you will see when you have to up the pci-e imgages on your screen will start freaking out ie... wrong colors blocks appear or any other graphical error.
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