I can't tell you exactly what to do, but if you load a LiveCD I'm quite sure the install option asks about partitioning and formating the drive.
__________________
Desktop * Athlon X2 4200 | 2G RAM | 160G HD | 7600GT
Laptop1 * C2D T5550 | 3G RAM | 120G HD | Intel x3100
Laptop2 * C2D T5250 | 2G RAM | 160G HD | Intel x3100
|