Simulink Release Notes    

Upgrading from an Earlier Release

This section describes an upgrade issue involved in moving from Simulink 4.1 to Version 5.0.

If you are upgrading from a version earlier than 4.1, then you should see Upgrading from an Earlier Release in the Simulink 4.1 Release Notes.

BlockInstanceData Function Deprecated

S-functions should no longer call the BlockInstanceData function. All data used by a block should be declared using data type work vectors (e.g., DWORK).

  Platform Limitations for HP and IBM Known Software and Documentation Problems