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    Lenovo Y510P Haswell C2 Stepping USB 3.0 Bug fix

    Discussion in 'Lenovo' started by aaznblue, Oct 10, 2013.

  1. aaznblue

    aaznblue Notebook Geek

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    aaznblue, Oct 10, 2013
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  2. raptir

    raptir Notebook Deity

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    I ordered mine Tuesday, receiving it tomorrow. I can check for you. Is it as simple as checking the southbridge revision in CPU-Z?
     
    raptir, Oct 10, 2013
    #2
  3. raptir

    raptir Notebook Deity

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    Well, CPU-Z shows my Southbridge revision as "05".
     
    raptir, Oct 11, 2013
    #3
  4. Jobine

    Jobine Notebook Prophet

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    Southbridge Rev. 04 here.
     
    Jobine, Oct 11, 2013
    #4
  5. aaznblue

    aaznblue Notebook Geek

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    Thanks guys , however does anyone know how to interpret these revision numbers and identify if they are c1 or c2 stepping ?
     
    aaznblue, Oct 14, 2013
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  6. DeathAndPain

    DeathAndPain Newbie

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    04 is known to be C1; 05 is C2. Except if you have one of these business chipsets, but you won't. (Their name begins with Q, and they camouflage as revision 04 even if they are C2, probably so that they are not distinguishable for the operating system when they replace an earlier (true C1) mainboard in an environment where hardware must not change because large numbers of the same hardware have been rolled out and are being maintained.)
     
    DeathAndPain, Oct 18, 2013
    #6