I’m running 10.11 on my MacBook Pro and I’m wondering if it is possible to install a PPC OS X to an external HDD using an intel MacBook? Or is there an app that I can use to accomplish this?
MacOS – Install Mac OS X Tiger (PPC) to External HDD with an Intel Mac
installmacospowerpc
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Best Answer
You may try your luck with Pacifist. This application will take just the installer packages and extract them to where you want them as a destination.
However, the application falls short in a few areas for a really complete installation, as some things were not designed in: pre- and post-install scripts, blessing (making it bootable), ownership and permission will likely be off.
For these problems there is a nice writeup available at How to install a very small version of OS X on an external drive (2007):