1. at the splash screen offering Bios setup, enter BIOS and change the Boot order to 1st CD rom 2nd HDD
(probably under advance features menu)
2. save and exit BIOS (F10)
3. boot with the CD in the drive Ignore all messages about raid drivers and the setup disk should give you the option to format the drive and install XP. Just follw the on screen prompts.
If you can't get this far post back here any problems you are having