IBM laptop reverting back to XP from Vista, help!

G’day, i have a IBM Thinkpad R60 and i recently decided to upgrade to Vista. Probably a bad idea as i didnt realise how slow everything would become. So i want to revert back to XP. So i placed the XP CD in and then restarted the computer to boot from the disk. It starts and i hit enter after the blue screen. Then it says it cannot find my hard drive. From there i can only exit the setup.

Is there anything i can do?