I just added a second hard drive to my Windows XP computer and I intend to use it as a backup to my current drive. I have ATI 10.0 installed. The rub is that this "new" drive is not blank but actually has quite a bit of data on it in two partitions that represent a backup of an old computer I used before I got the current one. Since I don't want to keep any of the data that is on this 'backup' drive, what is the best way to make sure that ATI overwrites it when I do a complete clone of my current system? Do I have to format or otherwise wipe out the data first, and then proceed with the cloning? Will ATI automatically overwrite? Will I have some options to choose from once I open up ATI and if so, what would be the best way to proceed? (The data to be cloned from my present system is larger than the amount on the backup, which makes me think overwriting would work...) I'm hoping the answer is fairly straightforward since I'm a bit of a noob. My fear is that if I have to reformat the recently added drive I'll screw up and end up wiping out the wrong drive and then it's noose around neck and stand on a chair time... Any help is greatly appreciated.