Suggestions on free XP hard drive wiping utilities?

["Champion, Steve" <SChampion () tmh tmc edu>]

> Would someone please throw out a URL and suggestions for free Windows XP,
> hard drive wiping utility's?  Something that will wipe a drive to a
> machine that's going to be donated or thrown away?   
>
> Preferably something thorough?
>
> Thank You
> Steve Champion
> Sr. Data Security Analyst
> The Methodist Hospital.
> schampion () tmh tmc edu