The graph will show up on most of the icon sizes other than the details view.
you’re able to see in task manager that it really doesn’t use all that much memory.
Get Vista Style Drive Icons in Windows XP
One of the nice little features in Windows Vista that you don't think about is the graph of drive space for your drive icons, so you can visually see at a glance how much space is used. There's no reason to upgrade for this feature, especially since some programmers created a small utility for XP that gives you the same functionality.
