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Hold the option alt key when booting back up

You should then see the two hard drives as an option to which OS you want to use.
 
Hi sorry got it sorted by going it pograms in xp right clicked picture of the
xp disc under pic of c drive eject disc

thanks

Well, that's one way of doing it. For future reference you could do as the poster above recommended and hold option key to get the OS choices. You can use the eject key there or more simply if you just want the CD ejected you could just hold the mouse button down when you hear the chime sound at reboot.
 
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