Windows XP now run on Mac machine natively after a winner of Intel Mac content announced. It made Apple computers become the first machines that can run three different operating systems: Windows XP, Linux and Mac OS itself.
To install Windows XP on Mac, hard drive must be reformatted and repartitioned to include separate partition where Windows XP will be put in. Then follow a couple of steps to modify Windows XP boot loader that will let Mac to recognize it. Once it's done, Intel Mac machine will be able to do dual-boot between Windows XP and Mac OS X without any emulation software such as VMWare.
If you are interested in, you can download the boat loader from OnMac.net