Booting separate hard drives

How do I boot separate haed drives with diferent versions of OS X.
Reason is to utilize hardware for which upgraded drivers are not available

You install a second OS onto the hard drive normally. It needs to be at least as new as the version which originally shipped with the computer.
If you want to install 10.6.8 or earlier, restart with the C key held down.
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    ordinaryjo wrote:
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    Message was edited by: jpl

  • Will my MacPro be safe if I install Windows 7 on a separate hard drive?

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