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Continue to ChatBoot your PowerPC from a USB for Mac PowerPC https://macpowerpc.wordpress.com/2012/09/12/boot-your-powerpc-from-a-usb-for-mac-powerpc/
Boot your PowerPC from a USB for Mac PowerPC https://macpowerpc.wordpress.com/2012/09/12/boot-your-powerpc-from-a-usb-for-mac-powerpc/