if u hav winXP bootable disk just boot ur system from it and follow the instructions.(for a MASTER DRIVE)
if u r goin to use it as slave. then use windows 'disk manager'
to open it
Click Start, click Run, type compmgmt.msc, and then click OK
if u r booting from MS DOS then type 'FDISK' for disk management
this type of threads hav already been opened a million times.
click here