I have windows xp Prof edition, i want to format my HD clean and restart, used to doing it with windows 98 boot up disk and just typing format c:/s but it doesnt work PLEASE HELP ...

I'm changing a HDD on a Compaq machine (from the original 30GB to a used 160GB Barracuda) and during the XP setup phase, it's taking an unusually long time to perform an HD format (not quick format) ...