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Thread: New memory fails memtest on X58-UD4P




  1. #31
    Lsdmeasap's Avatar
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    Default Re: New memory fails memtest on X58-UD4P

    Ohh, I forgot about that, that rules out the patriots as well.

    Sounds like maybe the ones you listed would be best. They have a kind of tall heatsink too though, so you may need to check that over

    You could always take a dremmel to the fan outer casing and make it fit possibly? Not sure as I can't see how close we are talking here

  2. #32
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    Default Re: New memory fails memtest on X58-UD4P

    Quote Originally Posted by Lsdmeasap View Post
    Did you try QPI/Vtt 1.35-1.45 at 1600Mhz with those timings?
    Forgot to answer your last post , Yeh i tried to get to 1600 with 7,7,7,20
    but no post with those volts , can post and boot windows at 8,8,8.22 timmings though .
    cant get it stable on prime95 it errors on 2 cores straight away . These are the volts i have set for ,8,8,8,22 .. i have a feeling i'm going to need better memory.

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  3. #33
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    Default Re: New memory fails memtest on X58-UD4P

    Well error on cores you say makes me think you are not using enough Vcore maybe? Have you tried bumping that up a notch or two?

    But ya you may be right, it could be the ram just not wanting to go that speed

  4. #34

    Default Re: New memory fails memtest on X58-UD4P

    In Prime, its error on worker threads, they don't directly represent cpu cores/dies. It could be memory instability causing the worker threads to fail.
    You should run a linpack program for 10-20 passes, something like Lynx or Intel burn test, make sure the residual norm values are perfectly the same for all of the passes, if so your cpu dies are healthy.
    then to work out ram/mch issues, you then use prime95.
    Last edited by qwertylesh; 09-08-2009 at 01:05 PM.
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    Default Re: New memory fails memtest on X58-UD4P

    Quote Originally Posted by qwertylesh View Post
    In Prime, its error on worker threads, they don't directly represent cpu cores/dies. It could be memory instability causing the worker threads to fail.
    Thats what i like about prime 95, when set to blend its a quick way to see if your new memory settings are stable or not, in only 3-4 passes if your pushing your mem too hard prime will stop workers on those cores that failed.

    I should have mentioned that i was only testing the memory ( cpu was at default 133x20) the point of this was to see if this (cheaper) memory i have is going to be any good to start oveclocking with.

    my thoughts about cpus and memory nowdays is somtimes you can be lucky and buy a low spec item thats perfectly fine to run at the highest spec possible . The reason being is that the tooling is so good nowdays when they make these, that not as many are being binned and set aside for a lower spec sticker because they didnt reach the benchmark when they where tested.
    So the manufactures rebrand the ones that passed there benchmarks as lower spec items. I could be entirely wrong about all this though *grin*.
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  6. #36
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    Default Re: New memory fails memtest on X58-UD4P

    You are right indeed, I just saw a post not long ago by a OCZ rep saying publicly that they had left over 1866 IC's so they tossed them into into 1333Mhz kits
    heads up time - XtremeSystems Forums
    Last edited by Lsdmeasap; 09-09-2009 at 11:52 AM. Reason: Edit to add OCZ instead of Corsair rep (My Bad Guys, sorry!)

  7. #37

    Default Re: New memory fails memtest on X58-UD4P

    Quote Originally Posted by Lsdmeasap View Post
    You are right indeed, I just saw a post not long ago by a corsair rep saying publicly that they had left over 1866 IC's so they tossed them into into 1333Mhz kits
    heads up time - XtremeSystems Forums
    Well, tony is an OCZ rep, but still the point is the same.
    Gaming: GIGABYTE X58-UD5 - i7 920 C0 - Noctua NH-U12P - 6GB OCZ Platinum PC3-10666 CL7 - Sapphire HD5870 - Antec P182 - TruePower Trio 650w - 3 Acer X243HB in Eyefinity - 2 x 500GB ST3500320AS 7200.11, SD1A - MS Digital Media KB - Windows 7 Ultimate x64

    Server: - HP Proliant MicroServer N36L - 4GB Team 1333 CL9 - 1x 160 2.5 5400RPM - 2x 500GB ST3500320AS 7200.11, SD1A - 1x 250GB ST3500320AS 7200.12 - 1x 1.5TB ST3500320AS 7200.12

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  8. #38
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    Default Re: New memory fails memtest on X58-UD4P

    Yes, sorry! I meant OCZ, Guess I was reading to many posts at once :)

    I will edit in case anyone gets bothered by my mistake

  9. #39
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    Default Re: New memory fails memtest on X58-UD4P

    I am sitting here playing with settings in the bios .. when it occured to me that there must be a relationship where your memory speed will hold back your proccesor .
    For instance my memory has a sweet spot at 1333 any higher and its not really stable or i have to drop the timmings too much.

    So with the memory running at 1333 at what point does the benefit of high cpu clocks become wasted. ? higher than 3.4ghz is wasted ?

    Is there any point clocking the CPU to say 4ghz and reducing the memory multi to 6x to keep memeory stable , if the CPU has to waste clock cycles waiting on the memory.
    Gigabyte EX58-UD4P rev 1.0
    Intel I7 920 C0/C1 step batch 3838B034
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    Mem G.Skill or OCZ
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  10. #40
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    Default Re: New memory fails memtest on X58-UD4P

    After some research into memory clocking i found this at Tom's Overclocking/Memory Scaling - Review Tom's Hardware : Intel Core i7-975 Extreme And i7-950 Reviewed

    It seems there is no real world benefit of running your memory at higher frequency's if you dont need to ..

    Also found a great article on the new i5, i7's Intel Core i5 And Core i7: Intel?s Mainstream Magnum Opus : Introduction
    Gigabyte EX58-UD4P rev 1.0
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