installing on firewire HD

[Axel Þór Ásþórsson <axel_thor@mac.com>]

I was wondering if it's possible for me to install Debian linux on a 
firewire hard disk (external)?
I've got PowerBook G3 400 (pismo) and an ultra slim firewire disk. I 
wasn't sure if Debian would boot from a disk like that.