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Thread: New Memory Tweaker for Intel Chipsets

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  1. #10
    Xtreme Legend
    Join Date
    Mar 2006
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    OK, I made a post about it 2 week ago, but all is erasing:

    They are two bits which lock the Memory Configuration Space access in Core i7:
    One is named MEM_CFG_USER_LOCKED (Bus:255, Dev:0, Fct 0, OffSet:88 bit[1])
    and the other MEM_CFG_LOCKED (Bus:255, Dev:0, Fct 0, OffSet:88 bit[0]).
    Both are Read Only bits, but MEM_CFG_USER_LOCKED bit can be unlocked under Win
    by setting at 1 the bit: Bus:255, Dev:0, Fct 0, OffSet:90 bit[1].

    -On eVGA MBoards, both are unlocked.
    -On GigaByte MBoards, only MEM_CFG_USER_LOCKED bit is locked, so simply writing
    in Bus:255, Dev:0, Fct 0, OffSet:88 bit[1] and it's OK.
    -On AsusTek MBoards, MEM_CFG_LOCKED bit is locked: I can't do nothing.
    -On others MBoards, both are locked and I can't do nothing too.

    So, two solutions:
    -First, MBoards bios engineers can simply unlock MEM_CFG_LOCKED and a bios update will fix the problem.
    -Second, a bios mod, but we don't know how to unlock MEM_CFG_LOCKED for now; perhaps at next.
    Last edited by FELIX; 05-23-2009 at 12:30 PM.
    WebSite: www.Tweakers.fr


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