Not directly a reply to your question, but it may be useful to take a look at a recent thread at MacFixit, "Panther's Disk Utility and creating Mac OS 9 booting volumes". The start of the thread begins "We previously noted several limitations of Mac OS X 10.3's disk Utility....". I haven't read the "previous", but sounds like you may want to. HTH On Thu, 18 Dec 2003, S. Moussly wrote: . . . > 60GB HD. If I decide to upgrade to panther, would it effect any of my other > partitions. I have critical data on the other partitions that I am afraid t= . . .>