Mac Os X 10.4 Tiger Download Iso Bootable.Download Mac Os X Tiger 10.4 Iso / Dmg Image Directly.This should also work on other PPC Mac's that don't normally boot from USB, such as G3s. You should now be booting into your USB drive. Type 'boot This is the device part you got in the last step after typing 'pwd' with ':,\:tbxi' added to the end.You should see something that looks like You will use this in the next step. Type 'dev and hit return, and then 'pwd' and hit return again.If you get here and you haven't seen something like then you're likely screwed, sorry.If you see something like continue, else go to the previous step and use 'usb1' instead. Type 'dev usb0' at the little '>' prompt and hit return.

Type 'boot ud:,\:tbxi' and if you're lucky, it will start booting from your USB device.Once you see the screen go white with some text on it, you can release the keys in the previous step.Scary looking if your not a computer type person. This will take you into the OpenFirmware. Power on your iBook and hold down Command+Option+O+F.Plug in the USB device where you have copied your bootable system to (I do not cover this part since it's well covered already, google is your friend).

So here's the quick tip for the rest of you out there (hopefully Google will eventually pull this up in page ranks so it gets hit first and saves people time). So I had to dig into my OpenFirmware roots and do it the old fashion way.

The system itself doesn't directly support it (holding down option during power-on doesn't show it either). However, none of the nonsense I found on the Internet could give me proper instructions. I have the Leopard ISO, but none of my DVD drives will burn Dual Layer, so I needed to use the USB route. So I spent the better half of the night trying to figure out how to make my iBook G4 boot from a USB stick.

How do i burn os x 10.4 iso on a mac