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Thread: Can`t run 8 Gb RAM ( 4 x 2 Gb Kingston DRR2-800 ) on GA-MA785GM-US2H




  1. #11
    Join Date
    Jul 2010
    Location
    Boston, MA
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    14

    Default Re: Can`t run 8 Gb RAM ( 4 x 2 Gb Kingston DRR2-800 ) on GA-MA785GM-US2H

    Hi every one actually I did buy a new CPU:

    AMD Phenom II X4 945 (latest C3 revision) that runs on 95 watts

    Newegg.com - AMD Phenom II X4 945 Deneb 3.0GHz 4 x 512KB L2 Cache 6MB L3 Cache Socket AM3 95W Quad-Core Desktop Processor HDX945WFGMBOX

    and still I could`t get the 4 X 2 GBs Kingston to run on dual channel

    my guess it`s an issue of compatibility so I`m only running 2 X 2 GBs on single channels slots 1 and 3

    any other thoughts ?

  2. #12
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    Jul 2010
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    Boston, MA
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    Default Re: Can`t run 8 Gb RAM ( 4 x 2 Gb Kingston DRR2-800 ) on GA-MA785GM-US2H

    PS the memory don`t run in dual channel mode 1+2 or 3+4

  3. #13
    Join Date
    Jul 2010
    Location
    Boston, MA
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    Default Re: Can`t run 8 Gb RAM ( 4 x 2 Gb Kingston DRR2-800 ) on GA-MA785GM-US2H

    also I have the latest bios update F12a and the motherboard is a GA-MA785GM-US2H rev.00

  4. #14
    Join Date
    May 2010
    Location
    Philippines
    Posts
    68

    Default Re: Can`t run 8 Gb RAM ( 4 x 2 Gb Kingston DRR2-800 ) on GA-MA785GM-US2H

    Quote Originally Posted by artdrivers View Post
    Hi cloud69 Have you checked the cpu, or tried another cpu?
    haven't yet since i don't have the money to buy yet. but i am planning to.

  5. #15
    Join Date
    Apr 2009
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    8

    Default Re: Can`t run 8 Gb RAM ( 4 x 2 Gb Kingston DRR2-800 ) on GA-MA785GM-US2H

    What's the part number of Kingston memories? Are they exactly the same?
    AFAIK, DDR2-800 N5 and N6 cannot be used together, you'll get issues due to same frequency but different latency.

  6. #16
    Join Date
    May 2010
    Location
    Philippines
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    68

    Default Re: Can`t run 8 Gb RAM ( 4 x 2 Gb Kingston DRR2-800 ) on GA-MA785GM-US2H

    they have the same latency n6 and i have also tested in it a known pair of RAMs that work as dual channel from my other rig. so that narrows down to the procie.
    the mobo is out of the question already since i was going to rma it and the supplier tested it and it worked fine but not with my procie and ram.
    Last edited by cloud69; 10-22-2010 at 10:35 AM.

  7. #17
    Join Date
    Apr 2009
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    8

    Default Re: Can`t run 8 Gb RAM ( 4 x 2 Gb Kingston DRR2-800 ) on GA-MA785GM-US2H

    Well, if the memories are the same, you may try testing the memories in pairs first.

    Memory A and Memory B in Slot 1 and Slot 3
    If ok,
    Memory C and Memory D in Slot 1 and Slot 3
    If ok, this confirms that 4pcs of memories are ok, so memory is not the issue here.
    You may need to check slot 2 or slot 4.

  8. #18
    Join Date
    Jan 2010
    Location
    USA
    Posts
    34

    Default Re: Can`t run 8 Gb RAM ( 4 x 2 Gb Kingston DRR2-800 ) on GA-MA785GM-US2H

    May be you can check if the memories can run dual channel first..
    To identify exact where the problem is, please show some CPU-Z pages, e.g. MB, Memory, SPD, etc.
    And what'e the memory part number? AFAIK, it should start with KVR something....

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