Additional storage is the benefit. You won't be able to get XP to run off that drive short of reinstalling it, but you can always format it and use it for additional storage.
i have a cpu running vista on the hard drive and ihave an additional drivethat is running xp. what is the benifit to installing the other drive into my system? will i have to run xp on itor can itbe reformated to run vista as well? what would the benifit be to haveing both or just one over the other any help would be great

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