User`s guide

3 Simulink 4.1 Release Notes
3-12
Platform Limitations for HP and IBM
Note The Release 12 platform limitations for Simulink for the HP and IBM
platforms still apply to Release 12.1. In addition, there are more limitations,
described below.
The following Java-dependent Simulink features, introduced in Simulink 4.1,
are not available on these platforms.
•Simulink Data Class Designer
•S-Function Builder
•Look-Up Table Editor