the problem is that: when I setup winXP home sp2 at the point when the setup ends as a result I have a blue screen! I can only boot in safe mode! when I setup winXP PRO sp1 everything is ok! I take a look at the device manager of both installations win xp home the Dual Channel PCI IDE Controller is missing! that's why it doesn't boot! at the xp pro setup the Standard Dual Channel PCI IDE Controller in present! any help?