Simon D. Williams wrote: > You can use DiskDup+ / DiskDupPro to make ProDOS disks on the newer Macs. I think it's the OS rather than the hardware that is at fault... In my experience System 7.5 has the best for ProDOS support.>> Simon, thanks for your input. I agree re System 7.5. At your suggestion, I tried both DiskDup Pro and DiskDup+.. See my reply below to Greg.