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The Duo Disk behaves exactly like two Disk II drives connected to a single Disk II controller card from a software point of view. Do you want to copy a whole, unprotected, 5.25" disk? You can e.g. use COPYA from the Apple DOS 3.3 master disk, just say RUN COPYA at the "]" Applesoft BASIC prompt after booting from the DOS 3.3 master. If you use ...


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