you need software
Now format your harddrive with fat32
system, install DOS 7.1
onto it and copy smartdrv.exe
to your hard drive.
Afterwards, copy folder I386
from your XP installation CD. Unplug your hard drive and put your hard drive back to your old PC. Turn on your old pc and it will automatically startup to DOS 7.1
.
In prompt C:> write smartdrv
and then hit Enter.
Afterwards, also in prompt C:>, write I386\winnt.exe
Wait for installation process finished.