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Thread: G33M-DS2R memory problems




  1. #1
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    Default G33M-DS2R memory problems

    Hi!

    I have a Gigabyte G33M-DS2R motherboard, with the latest BIOS (F8j).
    I installed 2x1 GB Kingston ValueRam:kvr800d2n5k2/2g
    and 2x2 GB Kingston Valueram:kvr800d2n5k2/4g

    My system freezes (HDD led shine). When i ran Prime95 blend, freezes the system after several hours.
    Memtest 3.5 freezes at 7 %, and recognise my system bad: DDR1142 and FSB 571 instead of DDR800 and FSB400.
    My settings are:
    5-5-5-18
    ACT to ACT Delay (tRRD)________ 3
    Rank Write to READ Delay (tWTR)_______ 3
    Write to Precharge Delay (tWR)________ 6
    Refresh to ACT Delay (tRFC)___________ 51
    Read to Precharge Delay (tRTP)_________ 3
    Static tRead Value (tRD)______________ 7
    Static tRead Phase Adjust________ Auto
    Overvoltage (DDR2, FSB and MCH) doesn't help.
    Memset screenshot:
    ImageShack - Image Hosting :: memset.jpg
    The Bios-Auto settings doesn't help.
    Memtest:
    2x1 GB OK
    2x1 GB and 2x2 GB freezes
    2x1 GB and 1x2 GB freezes
    2x2 GB freezes
    Can anyone help me?
    Really sorry for my bad english!

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: G33M-DS2R memory problems

    From your images it looks like your FSB and ram speed is ok as it is running the ram at 800Mhz, but to be sure can you please post a image of CPU-z >>>
    CPUID

    You can run this program more then once, please post a screenshot with the MAIN tab showing, and the Memory tab showing

    Did you set your ram voltage? Do you have MCH Voltage control in your BIOS? Please press Control + F1 on the MAIN page of the BIOS, the screen will flash, then go into MIT Section and see if you find MCH Voltage. This will need to be increased for 4GB or 6GB, to maybe +0.2-0.3V

    You will also need to increase your Refresh to Act Delay to 64-74 for 6GB. I see also in your settings listed above you have Static tRead Value of 7, but your memtest images shows 12 is in use. So I don't think the settings you list above are even being applied

    You should use these settings to get going, then you can try to lower things later once you get it all running smoothly >>>>

    Another thing you should do is test Each stick one by one with Memtest86+ To be sure none of them are faulty >>>
    Memtest86+ - Advanced Memory Diagnostic Tool


    [code]Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [x]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [400] Assuming you are using 400 FSB?
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00B or 2.00D]
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard] << if this is on Turbo, this could be your issue

    ACT to ACT Delay (tRRD)________ Set 4-5 for now
    Rank Write to READ Delay (tWTR)_______ Set 6 for now
    Write to Precharge Delay (tWR)________ Set 8 for now
    Refresh to ACT Delay (tRFC)___________ 64-74
    Read to Precharge Delay (tRTP)_________ 4-6
    Static tRead Value (tRD)______________ 7 (Use 10-12 for now)
    Static tRead Phase Adjust________ Auto << Always Auto

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.100V] May need +0.2, but this is 2.0V so keep your warranty in mind

    PCI-E OverVoltage Control_ [+0.1V]
    FSB OverVoltage Control___ [+0.1V]
    (G)MCH OverVoltage Control [+0.2V - +0.3V]

  3. #3
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    Default Re: G33M-DS2R memory problems

    Here is the screenshot:
    ImageShack - Image Hosting :: cpuzmemset.jpg
    Look at Everest: Dimm voltage 1.94 V (why not 1.8?) without overvoltage
    I tried before the memtest 3.5... freezes at 7%
    than memtest 3.4, and passed!
    and memtest86+ 2.11 passed 2 times (4hours)
    2 Screens of my bios (the settings are now):
    http://img3.imageshack.us/my.php?image=dsc03292o.jpg
    http://img3.imageshack.us/my.php?image=dsc03292o.jpg

    So is the system stable? How can i this verify definitiv?
    Thanks for the help!

  4. #4
    Lsdmeasap's Avatar
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    Default Re: G33M-DS2R memory problems

    You can use any of the tests for memory you have been using, or Prime95, Orthos or any other program to test for stability. Many are here >>>
    http://forums.tweaktown.com/f69/late...y-tools-30530/

    About your ram voltage, what setting do you have set? You only linked ONE BIOS image above?? If you have it in Auto, and want 1.9V set +0.1 instead of Auto

    I see in your images, your ram speed if good and at 800Mhz

    I do see also though, that you have not raised tRFC (Refresh to Act Delay) 52 may not work when the system is stressed, but it might. If you do get errors try raising that first

  5. #5
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    Default Re: G33M-DS2R memory problems

    Ram voltage settings: Normal
    ImageShack - Image Hosting :: dsc03293.jpg

    Everest: 1.94 V
    When i raise 0,1V then is the Voltage 2.04 V.

    Thank you for the help!!!
    The Memory timings explained topic helped me a lot!
    http://forums.tweaktown.com/f69/memo...vs-bios-27283/
    You are great!

  6. #6
    Lsdmeasap's Avatar
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    Default Re: G33M-DS2R memory problems

    Ahh ya, I have seen a few users lately reporting this board (G31/33's) overvolt ram by default for stability, and I believe one user posted a official reply from Gigabyte stating this was how they are supposed to be.

    So normal and Auto should both set your ram to the same, 1.94

    So did you run any stability tests yet other then Memtest86+? Just wondering since you asked about others

  7. #7
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    Default Re: G33M-DS2R memory problems


  8. #8
    Lsdmeasap's Avatar
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    Default Re: G33M-DS2R memory problems

    Looks good! Longer then 3 hours is advised, but that is pretty stable to run that long for sure.

  9. #9
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    Default Re: G33M-DS2R memory problems

    Unfortunately i'm back in this topic.
    My day:
    After many days, my system freezes again.
    So, i started the prime95 blend, and after 4 hours makes error.

    Restart, i set tRFC (Refresh to Act Delay) to 64 (from 52).
    Blend shows after 18 min again Error.

    Restart, i set tRFC (Refresh to Act Delay) to 74 (from 64).
    Error.

    Restart. CPU, FSB, everything set to default values (no OC), and tRFC:74.
    After several hours freezes.

    I'm confused. What's wrong with my system? CPU, motherboard or memory?
    I can't test the memories so long in other computer (memories seems to be OK, the memtest86 not freezes or restart at 7%, and my system does).

    Sorry for my bad english again!

  10. #10
    Lsdmeasap's Avatar
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    Default Re: G33M-DS2R memory problems

    Well you do not need to keep raising tRFC and setting it to high can cause errors as well.

    Please give me your full settings you was using in post #7 so I can see what was wrong back then. I know Auto may be wrong so I would not advise using that unless you wanted to.

    You had in Post #7 stable for 3 hours. So you may have just needed a voltage bump or a timing or two adjusted was all. Please go back to those settings and give me them so I can advise.

    What cooler are you using, and how are your temps at load when you are overclocked?

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