The article outlines the requirements for using Apple Boot Camp to install Windows XP, such as space requirements, hardware requirements and Mac OS X and Mac firmware upgrade. Also highlighted are the warnings about most likely failure points that will fail your installation of Windows XP with Boot Camp, such as the need of unpartitioned hard disk and the must of selecting the C: drive to install Windows XP when prompted in installation.
The installation starts with burning of a Windows drivers for Mac CD with the help of Boot Camp Assistant, the allocating disk space and partition for Windows XP and continue to install Windows XP with your own installation CD. After Windows XP has been installed, reboot the Mac and install Mac drivers for Windows with the CD just created, and you can dual-boot a Mac with Windows XP or Mac OS X.
Install Windows on Mac with Boot Camp Instructions (link dead)