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1. #HOW TO WIPE A MAC POWERBOOK G4 WITHOUT DISK MAC OS X#
2. #HOW TO WIPE A MAC POWERBOOK G4 WITHOUT DISK INSTALL#
3. #HOW TO WIPE A MAC POWERBOOK G4 WITHOUT DISK DRIVER#

You'll at some point be asked to insert the 2nd disc - those you may prepare the same as a Tiger installation: make a Leopard disc, and overwrite the 3rd partition (the Apple_HFS one that occupies the most space) with the Apple_HFS partition of the CD2 of the pre 10.4 OS you're installing.

#HOW TO WIPE A MAC POWERBOOK G4 WITHOUT DISK INSTALL#

You'll install as per usual, pressing alt (both of them in case of the cube) at bootup, selecting the CD, installing. To install 10.3 / 10.2 / 10.1 / 10.0, burn the CD1 image onto a disk, which you will have to be reading through the on-board IDE cable (connecting a USB cd-rom doesn't cut it, not USB allowed !). On my end, it looks like this:įor those wanting to install 10.3 or lower Unfortunately, I haven't found any way to get those to boot off of a USB device (not initially though). Through this method, I got it to show, and managed to install Tiger alongside Leopard xD.

#HOW TO WIPE A MAC POWERBOOK G4 WITHOUT DISK DRIVER#

This will leave you with a stick having the ATAPI driver from the Leopard DVD disc, but the OS image of the Tiger disc. With dd, copy over the Apple_HFS (disk3s3 or diskNs3) partition OVER the Apple_HFS (~7GB) on the stick. Mount the OSX 10.4 Tiger image it should look something like this: Proceed with creating a Leopard 10.5 stick as in steps 1-4

The workaround is the following: prepare a 10.5 Leopard USB stick, and overwrite the Apple_HFS partition with the Apple_HFS partition from the 10.4 Tiger disk: This unfortunately seems to be incompatible with steps 1-6.

#HOW TO WIPE A MAC POWERBOOK G4 WITHOUT DISK MAC OS X#

You'll get a very primitive version of the present day Boot Selection screen, WHICH ONLY WORKS WITH A MOUSE ! There you'll find the USB Stick and be able to boot from it, and install as if it were a very speedy and silent DVD drive :)įor those wishing to install Mac OS X 10.4 Tiger, the ISO floating around for that seems to contain a very small Apple_Driver_ATAPI partition (disk2s2 in step 4), a few KB instead of half a GB. Plug this into your G5 Cube, and, at boot, press both ALT keys (theoretically one should work but with my wireless keyboard the both button approach works best) At the end, diskutil list should show something like this:

The alias will be resetted to default at the next cold boot and thus you will have to repeat the procedure for every USB-boot.

You can just choose a default kernel entry - *finnix in my case - and it will boot properly. on the ISO)ģ.) Quick and dirty workaround: overwrite the cd alias in OF with the path to your USB Key (copy the path from the ud alias): devalias cd Now boot with boot cd:2,\\yabootĥ.) No problem anymore with hardcoded cd alias - it's now poiting to your USB Key. (the cd alias is hardcoded inside files like ofboot.b, nf. This ud alias maps to You can call yaboot with boot ud:2,\\yaboot - but then the kernel will panic because it still searches his initrd + rootfs somewhere at cd:2,/. I used the finnix ppc rescue ISO, dumped with dd to the usb key.ġ.) OF creates the devalias ud for the usb key in the left port. On a Powerbook G4 A1138 (1,67 Ghz 15" late 2005) the above instructions didn't work out of the box. This thread is old, but i want to add some information that may be useful: