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I have the setup ISO file for my Mac OS X Snow Leopard. I need to be able to boot this and install it to a USB drive (from a windows pc by booting the USB drive).

I can't run it in a virtual environment and I can't burn it to a DVD (it doesn't work for some reason. It only makes a ~120KB of data on the DVD).

So, I need to make a bootable USB installer from the Snow Leopard ISO so I can boot that and install it to another USB/hard drive (this has to be done from a windows machine). I have tried Multiboot ISO but it requires the USB to be formatted as FAT32 and as the ISO is over 4GB, this won't work.

How can I create the bootable installer?

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Just to be sure that we get it right: You want to create a bootable USB stick installer for OS X SL using a Windows machine? – patrix Aug 24 '13 at 13:02
That is correct. And I have the ISO for SL. – Liam Flaherty Aug 25 '13 at 7:54

you can try with transmac to do this

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