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Thread: M3A overclocking

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  1. #6
    Xtreme Addict
    Join Date
    Sep 2007
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    Munich, DE
    Posts
    1,401
    There is a new Bios version(0406) available for
    download.
    alternative download

    This bios includes the tlb fix. It can not be disabled via bios, but AOD and CrystalCPU works.

    The cpu multi can now be modified (8-11 with 9500).



    Also the bios allows modifying CPU and NB VID in the range 0.8-1.25V now but the CPU VDDC field has gone.




    The memory timings submenu has changed, it does no longer show all these options


    It does not allow to configure dct0 or dct1 but only both dct's.


    The memory runs in ganged mode and there is no bios option to switch to unganged.

    There is one nice new setting called process downcore. It allows disabling 1-3 cores.

    Disabling 3 cores saves ~14W DC, two cores saves ~5W DC and one core saves ~3W DC in idle.

    The NB multi is now at 9x and wprcedit shows the correct value 00101b. I tried 00100b with 1x HT but the system did not restart.

    Prime95 failed after an hour yesterday with ref HT 215MHz and after half an hour with 220MHz (Ram-V 2,1V everything else auto).

    Today i tried it with CPU VID and NB VID at 1,25V and it failed after a few seconds. With only one core enabled it's stable since half an hour with ref HT 230 MHz at ~41°.

    Guess I need more CPU VDDC to reach higher speeds so i have to wait for the next bios.
    Last edited by justapost; 01-03-2008 at 09:57 AM.

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