There is no "undo" command - in case you didn't read about it first, it is
a one way trip. You can save your important files, boot to the WinXP CD,
delete/recreate the partition and format FAT32, unless the partition is
greater 32GB, if so, then boot with an Win9x (Win98 or above) recovery
diskette, and delete/recreate/format partition. When done, boot with
WinXP CD and reinstall. Another option, go to your favorite software
store and buy PM 8.x or greater, and see if it may convert the file system
back to FAT32, it may it may not, but I'd backup my important files first.
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