writing the modified block to your diskette you can now install the tool on your Lisa. For serial number 75,536 the modified block appears as follows:

Tool Information block after serial number modification

To make a deserialized master tool diskette modify the serial number positions to all zeros ($00000000).

This document in no way advocates the use of deserialization to steal Lisa software. This Information should only be used on tools which you own. I have used this Information on a Lisa 7/7 package which I bought, but which had been used on another Lisa which was sold back to Apple in a trade-in program. After deserializing this 7/7 package I could use the tools on my Lisa.

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(1988) Apple Lisa 7/7 Deserialization 4 of 4