There are several 2.0-specific areas where OS changes and enhancements can
cause compatibility problems for some software.

 Exec                 Timer.device               Layers 
 Expansion            Trackdisk                  Graphics 
 Strap                CIA Timers                 Fonts 
 DOS                  Other Hardware Issues      CLI / Shell 
 Audio.device         Intuition                  Console 
 Gameport.device      Preferences 
 Serial.device        Workbench