I have a Wallstreet 300mhz with a 40gb HD with OS 10.2. I just got a Lombard 400mhz with a 6gb HD with OS 10.3 and OS 9. Can I switch HDs and expect them both to work without reinstalling the OS? I imagine that the Wallstreet 10.2 system will work right away in the Lombard, but will the 10.3...
