Notice Step 5 of http://www.blackviper.com/Articles/OS/InstallXPHome/installxphome1.htm show us able to delete and create a partition with the XP CD/Installer.
But before you do that, run BELARC ADVISOR, print or save that so you know what drivers you'll have to hunt down.
Help! I bought a computer from a garage sale with a copy of xp on it. I think the guy put an illegal copy of xp on there. I bought a brand new copy of xp and installed it over the old copy. Problem is, is that it brought all the old information over from the old copy even though I answered that I wanted the old one deleted and the new one copied. I went in the reg edit and all the old history is there. I also see his username in the documents and settings along with the new ones I created. Worse yet, all the problems with viruses and the computer locking up etc. are happening because I think his registry was infected. My question now is, is there a way to do a clean install where his information does not appear and if there is, will Microsoft let me clean install this again with the same product key for the new one or will they say it was already activated? Thanks!