32 bit kernel extensions

Discussion in 'macOS' started by sfwalter, Aug 29, 2009.

  1. sfwalter macrumors 68000


    Jan 6, 2004
    Dallas Texas
    From what I understand the main reason the kernel in SL boots into 32-bit is because of potential 32-bit kernel extensions.

    Is there a way to find out what kernel extensions a machine has and whether those are 32 or 64 bit extensions? This way I could figure out if I should boot with 32 or 64 bit kernel.

    Thanks, Scott.
  2. Cinder6 macrumors 6502


    Jul 9, 2009
    The System Profiler shows which kernel extensions you have, and their bit-ness. Software -> Extensions.

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