If you get a prohib symbol after finding the right boot command, that means you either 1) messed up while creating the flash drive, or 2) the system software won't work with this Macintosh, or finally, 3) you just pointed to the wrong root partition. If all that fails, then finally you would want to force the Mac to read the CHRP script manually:īoot ud:,3\System\Library\CoreServices\BootX In my example, "3" refers to the System folder being on the third partition of the device. May need to fiddle with command syntax - specifically the number. If you want your Mac to read all the drive buses again, click the spinning arrow button to the left and wait for 5-10 seconds. If you do not see the CD/DVD icon, wait for a few seconds, it will eventually show up (given that your CD/DVD drive is not broken). Your USB flash drive will probably be at a path like that path to something less awful by a command like devalias ud then should be able to boot the "ud" device you just made an alias to. The PowerPC boot selection screen will look like the following. List all devices with dev / ls and find your USB device. My DiskWarrior CD is up-to-date but will not boot this newer Mac. The application is very intuitive by itself and the instructions are very helpful in answering any questions. Once your flash drive has been created properly (use something like SuperDuper), try the following: Excellent I just created a customized Boot CD for my PowerBook G4 with no problems. If you block-copy the 10.4 disc image to an HFS formatted flash drive, that has been set up with Apple Partition Map you will be able to (with some OF trickery) boot from USB on a PowerPC Macintosh.
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