Booting from firewire ipod

I have an old ipod (3g) I am using as a firewire drive...I need to restore some backed up stuff, and I am try to boot from the ipod...my macbook and ipod both boot just fine, but the powerbook does not list it as a startup disk...how do i fix this?

If you have a Firewire iPod, then read the User Guide info on switching the iPod into Disk Mode or read the following:
http://docs.info.apple.com/article.html?artnum=93651.
The easiest way to clone is to use the Restore option of Disk Utility (Utilities folder:)
1. Open Disk Utility from the Utilities folder.
2. Select the startup volume from the left side list.
3. Click on the Restore tab in the DU main window.
4. Drag the startup volume to the Source entry field.
5. Select the backup volume (on connected iPod) from the leftside list and drag it to the Destination entry field.
6. Check the box to Erase Destination.
7. Double-check you got it right, then click on the Restore button.
After the clone is completed (it will take some time) you can test it by opening the Startup Disk preference pane, selecting the iPod volume from the icon list, then click on the Restart button. If all is right your computer should startup from the iPod. To return to your regular volume open Startup Disk again, select your normal startup volume, then click on the Restart button.

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