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Thread: UD3LR 8gb memory crash




  1. #11
    Chike is offline Senior Member
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    Default Re: UD3LR 8gb memory crash

    Quote Originally Posted by milkman6453 View Post
    well when i set it to 1333 it crashes how can i use 1333 stable.

    Also could you help me get the bios tweaked so i can get the most out of my components?
    First lets see we can get you stable, then tweaking if needed.
    Try a little more MCH Core, 1.24-1.26v, I am not sure how up should you have for 4 modules, it may be more, but we need someone who knows better than me to comment on it.
    If 4 modules still fail at 1333, we need to try and isolate the problem, may be settings problem, or a bad stick or motehrboard.
    Mark the memory sticks so you know which you tested and which not.
    Try the sticks from slots 1 & 3 (2 sticks only) in slots 2 & 4. If they work O.K. try the sticks that are now in slots 2 & 4 in slots 1 & 3.
    What I am trying to find is is it a problem with slot 4 or one of the memory stick you put in it.
    If all tests above work, it's probably not the memory or the board (memtest86+ may be needed to know for certain) and we'll have to work more on the settings.

  2. #12
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    Default Re: UD3LR 8gb memory crash

    what i did was i have all 3 in with it set to 1333, then i switch them for slot four and which ever configuration i have it becomes unstable ill try again with your suggestions

    for example

    sticks are 1 2 3 4
    slots are a c b d
    123 in acb
    234 in acb
    any in acb works
    once 123 or 4 in slot d it crashes
    Last edited by milkman6453; 07-25-2009 at 06:35 AM.
    GA-EP45T-UD3LR Rev#: 1.0 - F7
    Intel Q9650 3.0GHz 12MB L2 Cache LGA 775
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  3. #13
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    Default Re: UD3LR 8gb memory crash

    ok the sticks i have 1 2 3 and 4 the slots are a_c b_d
    1 and 2 work in both a/b and c/d
    3 and 4 work in both a/b and c/d

    i could mix it up more but i think this will suffice
    each time i player cod5 at least for 5 minutes, usually with the instability it would crash within a few minutes 2-3.

    The mch is at 1.2v ill try 1.26v with the 4 on 1333 ill edit in about 5


    alright at 1333 with all sticks in MCH core or 1.26-1.30v dram volatage at 1.6v
    it would reboot before the windows loading screen, no bsod just monitor goes to orange and bios reinitialized.
    Last edited by milkman6453; 07-25-2009 at 06:53 AM.
    GA-EP45T-UD3LR Rev#: 1.0 - F7
    Intel Q9650 3.0GHz 12MB L2 Cache LGA 775
    Zalman 9700NT + 2 Synthe case fans
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    EVGA 512-P3-N976-AR GeForce 9800 GT 512MB 256-bit GDDR3
    OCZ ModXStream Pro OCZ500MXSP 500W ATX12V V2.2
    ViewSonic vx2265wm @1680x1050 120Hz

  4. #14
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    Default Re: UD3LR 8gb memory crash

    According to the link you gave the RAM is rated at 1.65V but you're only giving it 1.6V. Voltage does get more important when you're running 4 sticks, I noticed that with two 2x2GB DDR2 1066 mysself. Both kits on their own would run fine at 2.1V, but when I ran both kits together I needed 2.2V.
    So increase the voltage to 1.65V or if that doesn't help try 1.7V (won't hurt the RAM, the 1.65V is only there because Intel says anything mroe than that will damage their Core i7 CPUs with the integrated memory controller, and you're not running one).
    Last edited by Nickel020; 07-25-2009 at 03:34 PM.


  5. #15
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    Default Re: UD3LR 8gb memory crash

    Just got off work, but as i understand it they tested it at 1.65v but i will definitely try it maybe in the morning.
    Thank you for your input.

    Alright i decided to do some tests before rest heres what i came to,

    Mch core settings from 1.2 to 1.26
    mixed with DRAM voltage from 1.6 to 1.7 (they go by .020v at a time so no 1.65 only 1.62 1.64 so on.)
    each time with the same result monitor goes to standby pc resets.

    One time with dram v at 1.7 and mch core at 1.24 after post the screen just stayed on no windows no anything blackness.
    I dont know where to go from here.

    Thank you for your help
    Last edited by milkman6453; 07-25-2009 at 06:10 PM.
    GA-EP45T-UD3LR Rev#: 1.0 - F7
    Intel Q9650 3.0GHz 12MB L2 Cache LGA 775
    Zalman 9700NT + 2 Synthe case fans
    G.SKILL 4GB (2 x 2GB) 240-Pin DDR3 - http://www.gskill.com/products.php?index=95 running @ 9-9-9-9-24
    EVGA 512-P3-N976-AR GeForce 9800 GT 512MB 256-bit GDDR3
    OCZ ModXStream Pro OCZ500MXSP 500W ATX12V V2.2
    ViewSonic vx2265wm @1680x1050 120Hz

  6. #16
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    Default Re: UD3LR 8gb memory crash

    Hm, so with 1.7V it was better? If you're willing to do it, I would increase RAM voltage even more, as it improved things.

    If not I would leave it at 1066, tune the timings a little bit and leave it there. The difference beween 1066 and 1333 are negligible anyway.

    When you run 4 DIMMs you often aren't able to run them as fast as you would be able to run 2. It's the same thing with DDR2 1200, easy to do with 2, extremely hard with 4 DIMMs.


  7. #17

    Default Re: UD3LR 8gb memory crash

    Ive done extensive testing on the P45T series motherboards, and have addressed a problem with gigabyte regarding the Elpida BABG based chips.
    (the symptom is complete freezing after 6 hours of FFT stress testing)
    Even with all correct settings they just wont run it properly with the current bioses, if your Gskill uses these chips, just change it over or try the latest beta bios.

    So far Ive tried two different high density (2gb module) kits that work fine once setup for these motherboards, the micron based transcend 1333 kits are great, and also it seems the strontium seem work without a problem.

    for now, avoid the Kingston KVR kits with the P45T motherboards, these are usually the kits that house the elpida BABG chip.
    Sometime Monday I can post here the exact kit model for the transcend that work fine as i kept the stickers from the kit to source more when needed. :)

  8. #18
    Chike is offline Senior Member
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    Default Re: UD3LR 8gb memory crash

    Quote Originally Posted by Nickel020 View Post
    According to the link you gave the RAM is rated at 1.65V but you're only giving it 1.6V. Voltage does get more important when you're running 4 sticks, I noticed that with two 2x2GB DDR2 1066 mysself. Both kits on their own would run fine at 2.1V, but when I ran both kits together I needed 2.2V.
    So increase the voltage to 1.65V or if that doesn't help try 1.7V (won't hurt the RAM, the 1.65V is only there because Intel says anything mroe than that will damage their Core i7 CPUs with the integrated memory controller, and you're not running one).
    The EPP profile shows 1.6v, there's another G.Skil site where there are rated to work at 1.5-.1.6v.
    I would not specuiate the reasons for modules max voltage, it may be the chips they use. OCZ sometime allow highr viltages but only if it's written on the modules sticker.
    He still can go up with MCH Core voltage, I suggest that direction. Lsdmeasap says in this post 1.4v MCH Core is almosr never needed, but there is there's still plenty to go untill 1.4v.
    For DDR-1333 with 333FSB the 4.00A or the 4.00C must be used, this may be a problem too, if stability can be easier achieved with 1066 using 3.20B multiplier, with lower MCH Core VDIMM, and Static tRead, it's the by far better solution IMO as there is no advantage using more than DDR-1000 with 333FSB (I go by thumb rule of 3:1, DDR-667 for 200FSB, DDR-800 for 266FSB etc.)

  9. #19
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    Default Re: UD3LR 8gb memory crash

    Alright i gues i can keep them at 1066, i do plan on ocing my cpu when my zalman gets here maybe to 3.4, 3.6. What are some good timing with ddr3-1066 g.skill.
    GA-EP45T-UD3LR Rev#: 1.0 - F7
    Intel Q9650 3.0GHz 12MB L2 Cache LGA 775
    Zalman 9700NT + 2 Synthe case fans
    G.SKILL 4GB (2 x 2GB) 240-Pin DDR3 - http://www.gskill.com/products.php?index=95 running @ 9-9-9-9-24
    EVGA 512-P3-N976-AR GeForce 9800 GT 512MB 256-bit GDDR3
    OCZ ModXStream Pro OCZ500MXSP 500W ATX12V V2.2
    ViewSonic vx2265wm @1680x1050 120Hz

  10. #20
    Chike is offline Senior Member
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    Default Re: UD3LR 8gb memory crash

    Quote Originally Posted by milkman6453 View Post
    Alright i gues i can keep them at 1066, i do plan on ocing my cpu when my zalman gets here maybe to 3.4, 3.6. What are some good timing with ddr3-1066 g.skill.
    Are they stable at 1066?
    I have no clue about good timings, personally I don't believe in messing with them, just find the lowest Static tRead Value that is stable.

    The sad thing is that there is no native multiplier for 1333 with 400MHz strap if you decide to overclock, so you may have to stay with 1066 which IMO isn't bad at all.

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