ID:197020 The IBIS models for <name> family are preliminary

CAUSE: You specified a device family and directed the EDA Netlist Writer to generate an IBIS Output File (.ibs) for performing board-level signal integrity verification of Altera devices with other EDA tools. However, the IBIS model for the device family you specified is based on preliminary characterization data.

ACTION: For the latest IBIS models, go to the Quartus Prime IBIS File section of the Altera web site. For further assistance contact Altera Technical Support by creating a Service Request at www.altera.com/mysupport if you cannot find the appropriate IBIS model.