Yes, assuming that the other option on your external HD is FW and that you are using a FW cable. (Sorry if this sounded patronizing. I didn't mean it to be, but your description was not totally clear to me.) By all means. --Steve At 11:38 AM -0500 11/2/05, whshaw wrote: >you can boot from an external FireWire drive but not from a USB 2.0 hard drive. If I use a cable that connects to a firewire port on my computer to my hd will this work?