Knowledge base

Mac OS X v10.6: Macs that use the 64-bit kernel

Posted in Apple Mac OS

Summary

Learn which Macs can use the 64-bit kernel in Mac OS X v10.6 and which use it by default.

Products Affected

Xserve (Early 2008), MacBook Pro, Mac OS X Server 10.6, iMac, Mac OS X 10.6, Mac mini Server (Mid 2010), Mac Pro (Mid 2010), Xserve (Early 2009)

These Macs use the 64-bit kernel by default in Mac OS X v10.6.

  • Mac Pro (Mid 2010)
  • MacBook Pro (Early 2011)
  • iMac (21.5-inch and 27-inch, Mid 2011)

These Macs use the 64-bit kernel by default in Mac OS X Server v10.6 (they can also use the 64-bit kernel in Mac OS X v10.6, but do not use it by default).

  • Xserve (Early 2008) and later
  • Mac Pro (Early 2008) and later
  • Mac mini (Mid 2010)

These Macs support the 64-bit kernel, but do not use it by default.

  • iMac (Early 2008) and later
  • MacBook Pro (Early 2008 through Mid 2010)

Note: