How to boot Windows XP on a Mac from an external drive?

How to boot Windows XP on a Mac from an external drive? I have an external drive that uses the GUID partition scheme, and has the partition info mirrored to an MBR as Macs are won't to do. The drive does FireWire and USB, and Ideally, I'd like any solution presented here to work with both buses.
Asked by: Guest \| Views: 353

Total answers/comments: 1

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bert [Entry]

"From my earlier comment.

When using Bootcamp the correct method of booting into Windows is to go into System Preferences - Startup Disk and select the partition to reboot from. If your FireWire is seen as a listed drive then you can set it here and reboot.

However this seems to break intermittently and therefore rEFit is the best solution I have found to do dual booting with on the Mac."