Before using discover, ensure that any external I/O modules are correctly installed and cabled to the host JACE controller. These other notes also apply:
Offline engineering is possible (using New), but not recommended. There is no match feature.
In general, the “New Folder” feature has little practical application.
Usually you do not change any defaults in the Add dialog (Figure 5) when adding an NdioBoard, nor use the Edit dialog (to edit same properties) after adding one.