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refers to a specific revision of Rockwell Automation’s "Common Procedure Release." In the late 90s and early 2000s, Rockwell software protection was heavily reliant on physical media. The "Master Disk" system was a form of copy protection where the software required the original floppy disk to be inserted into the A: drive to verify the license during installation or sometimes during major updates.

refers to a specific revision of Rockwell Automation’s "Common Procedure Release." In the late 90s and early 2000s, Rockwell software protection was heavily reliant on physical media. The "Master Disk" system was a form of copy protection where the software required the original floppy disk to be inserted into the A: drive to verify the license during installation or sometimes during major updates.