Built around the PowerPC G4 series of microprocessors, the Power Mac G4 was marketed by Apple as the first 'personal supercomputers', reaching speeds of 4 to 20 gigaFLOPS. from 1999 to 2004 as part of the Power Macintosh line. Plus depending on what distro you go with, with a lot of tinkering and playing whatever I install will only last a couple of days so I need to use live USBs so I can play around a lot and mess stuff up. The Power Mac G4 is a series of personal computers designed, manufactured, and sold by Apple Computer, Inc. The CD drive on it doesn't work so I need usb sticks to work. I'm so frustrated that my mac is a paper weight right now. Is the firmware the reason why a perfectly healthy live usb would not boot? if you cancelled out all the posibilities that the usb stick is faulty or how you installed the system on it is faulty all that is left is the firmware not allowing it right?Ĭan I just install a clean version of Sun Microsystem's open firmware that hasn't been tinkered with by apple and get it to boot live USBs? If someone were to write a kind of replacement firmware for ppc macs there would be a whole community switching to Linux because many mac users have thousand dollar paper weights sitting around their house ever since Apple dropped support for ppc.Ĭan anyone help me find a link to an alternative firmware which I can install on my g4 laptop to replace the mac version of open firmware which can not boot from usb? 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.Is there a way to flash/hack/jailbreak the firmware for say a 15" G4 powerbook so that I can boot from Linux live usb sticks?Īs it is many macs simply do not boot from usb, let alone usb sticks and the ones that do are a complete pain to set up. 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 It should make no difference what brand of USB keyboard you use, just be aware that there may be some key mapping differences: such as the CMD key on a Mac keyboard will be the Windows key on a windows keyboard. In my example, "3" refers to the System folder being on the third partition of the device. You should be able to boot the G4 with the CD in the drive and holding down the 'C' on the keyboard, as has already been said. May need to fiddle with command syntax - specifically the number. 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. List all devices with dev / ls and find your USB device. Once your flash drive has been created properly (use something like SuperDuper), try the following: 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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