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Thread: UD3LR 8gb memory crash




  1. #21
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    Default Re: UD3LR 8gb memory crash

    since 1333 doesn't seems to be stable with this memory motherboard combo ill be staying with 1066, ill lower some of the static Reads and get back, whats an average value for it?
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  2. #22
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    Default Re: UD3LR 8gb memory crash

    Of course, all components vary, but for a 333 FSB a value between 5 and 7 would be stable.

    There are two ways to test the minimum tRead, either lower the value one tick at a time, and re-boot until you set a value too low to boot. If the unbootable value was 5, then you can be 95% sure that 6 will be stable, and you can set that and then stress test to make sure.

    A quicker way to test, I have found is using memset. Lower the value by one, hit apply then carry on until the system freezes. If it froze on 5, then 6 is likely stable. Reset, go into the BIOS and select 6 for both channels. Stress test it there to make sure it's stable. I prefer this method as it only means one restart. Some may feel that a crash could corrupt files, but I've never had an issue, so it's up to you.

    Edit**

    You may find that if running 533MHz (DDR-1066) then you can lower primary timings. It's possible that 7-7-7-21 or 6-6-6-18 could be stable. If your modules have a SPD entry for 533MHz, see what the primary values are programmed as. Even iof they say 8-8-8-24, still try lower, ofc using the maximum rated voltage for your modules.
    Last edited by Psycho101; 07-26-2009 at 02:58 AM.
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  3. #23
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    Default Re: UD3LR 8gb memory crash

    theres no 533MHz entry, static tRead is being tested at 7 right now will propbrably keep it at 6 if stable, will test new timings soon ill edit when i've found something i like.

    there at 8-6-6-6-17 right now
    in memset would changing CAS Lat to be lower affect timings or do i leave that alone?

    Is it always the lower timing the better?
    Last edited by milkman6453; 07-26-2009 at 03:13 AM.
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  4. #24
    Chike is offline Senior Member
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    Default Re: UD3LR 8gb memory crash

    Quote Originally Posted by milkman6453 View Post
    there at 8-6-6-6-17 right now
    in memset would changing CAS Lat to be lower affect timings or do i leave that alone?

    Is it always the lower timing the better?
    Lower timings are better, providing you are stable.
    tCL or CAS (the first of the four, there is extra one in MemSet that is in BIOS dvanced settings) is the most dominant and changing it has more effect than the others.
    You may be able to set it to 7 or even 6 in BIOS, but leave this until you have stability.
    If after you have stability you manage to lower it, you may even be stable with one lower Static tRead.

  5. #25
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    Default Re: UD3LR 8gb memory crash

    I get failed boot when static tRead is at 6, 7 is stable.
    When i got a failed boot it reset H/w settings i loaded and noticed ddr was 1333 i dont usually get to load windows with 1333, but when i tested the memory with fallout 3(usually produced the quickest crash, within 10 seconds BSOD error was memory manegment stop 0xa1 or something.

    now that static tRead is stable i went to adv bios but i cant find the CAS setting.
    Last edited by milkman6453; 07-26-2009 at 04:49 AM.
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  6. #26
    Chike is offline Senior Member
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    Default Re: UD3LR 8gb memory crash

    CAS is the first selectable timing in standard timing control, but leave that for after you have stability.

  7. #27
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    Default Re: UD3LR 8gb memory crash

    Is there other settings i should tweak before it cuase im pretty stable right now i havent done any 2 hour+ memtests but i had 2 running at 1024 for 120% each, and played a game for a few. Feels pretty stable
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  8. #28
    Chike is offline Senior Member
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    Default Re: UD3LR 8gb memory crash

    Quote Originally Posted by milkman6453 View Post
    Is there other settings i should tweak before it cuase im pretty stable right now i havent done any 2 hour+ memtests but i had 2 running at 1024 for 120% each, and played a game for a few. Feels pretty stable
    If you are confident the current settings are stable enough, save a BIOS profile first so you can load them later if needed(F12.) Press F11 and save the settings in an empty slot.

    Try to lower CAS to 6, see if it boots and windows is stable.
    If stable you may try to lower Static tRead to 6 for a little better performance.
    Keep us posted, settings and MemSet capture.

    Good luck

  9. #29
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    Default Re: UD3LR 8gb memory crash

    I seem to be have CAS stable at 7, 6 produces errors in WMD and makes things run a little slow(which seems odd to me). While i tweak these settings should i be increasing any voltage or anything, ill be working on static tRead later.
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  10. #30

    Default Re: UD3LR 8gb memory crash

    Why use the windows based memtest, if you want to be certain, get a precompiled ISO from the Memtest86+ Homepage, burn it to cd and boot it up and let it do at least 3 passes, dont use memtest to stress, its just for finding addressing errors (IMO) use Prime95 or superpi to test the stability of the ram.

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