Does Win7 format HDD?

[bushmins]

Ive just got Win XP and am doing a full instalation. It didnt seem to format the HDD before it started installing. I had XP on the HDD, when ever i install XP it always did a full HDD format.

Does Win7 not do a format? Bit worring since there maybe old XP files on the HDD.

Confused?

 

[bushmins]

I saw that but...

There is something i dont really understand. There was partitioned space and unpartitioned space, i deleted one of them then the 'Format' option was greyed out.

Then i aborted the Win7 install and got the unpartioned/partitioned space back again, then i clicked the 'Format' option, something happended for about 5 seconds then it all seemed over, can Win7 really format my HDD in 5 sec?

Normally i delete the partioned space before doing an XP install.