Enabling AHCI mode for Windows 7

Discussion in 'MacBook Air' started by StuR, Aug 6, 2011.

  1. StuR, Aug 6, 2011
    Last edited: Aug 7, 2011

    StuR macrumors newbie

    Aug 4, 2011
    I can confirm that the existing MBR patch instructions work fine with MBA 2011 Windows 7 to enable AHCI. All the usual caveats apply - disabling Sleep mode and the broken Bootcamo control panel applet. But all in all - it was worth it to get the TRIM command to work in W7. The system rating for the disk went from 6.9 to 7.5 after AHCI / TRIM was enabled.

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