[X4U] Dual Boot (PPC/Intel) Firewire HD?

[Scott E Lasley]

> Is it possible to install Mac OS X on an external Firewire HD such  
> that you
> can boot either a PPC or an Intel-based Mac?  I want to build a new  
> utility
> disk that I can use to boot any of my families Mac's and run various
> utilities against them.
>
> Zane

Instructions for Leopard:
http://support.apple.com/kb/HT2595

Instructions for Tiger:
http://www.macosxhints.com/article.php?story=20060322054212363
mentioned in this article, which also has a link to instructions for  
enabling netboot
http://www.tuaw.com/2006/03/31/universal-os-x-netboot-os-x-courtesy-of-macosxhints/

I have not tried to make a universal boot disk, so I don't know if the  
instructions above work.

hth,
Scott