You must specify the iSeries Access ODBC data source for your application to access and manipulate data. To specify the data source:
You may notice the Client Access ODBC Driver (32-bit) name in the list of drivers. This name is listed so that data sources created with previous releases of Client Access will continue to work. Both names point you to the same ODBC driver. You can use either name, however in future releases the Client Access ODBC Driver (32-bit) name will be removed.