This article is from the Apple ][ Emulator Resources Guide, by Alex Maddison with numerous contributions by others.
There are a couple of disk-image types which have not been listed here - these are generally "raw" disk-image formats with no compression as used by some of the emulators in Section 2 - and these types are not capable of conversion into standard disk-images. "Raw" disk-images of 5.25" disks will generally be 200-220K in size. According to the "Apple 2000.doc" file included with the Apple 2000 emulator, "raw" disk-images are capable of storing images of non-DOS and copy-protected disks.
 
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