Define the AMS/XPS loader data source ID using ARGOAMS003 (AMS_XPS_DATA_SOURCE) setting:
Set it to 1 if you want the AMS/XPS loader data source to be blobtable.
Set it to 2 if you want the AMS/XPS loader data source to be cache.
Set it to 0 (default) if you want the AMS/XPS loader data source to be N4 database.