ID:176709 M144K does not support dual-port mode and different clocks on the inputs of each port for Stratix IV engineering sample devices. See the Stratix IV Errata Sheet for more information.

CAUSE: The design specifies a Stratix IV engineering sample device. The specified M144K uses dual-port mode and different input clocks on each port.

ACTION: For more information, see the Stratix IV Errata Sheet.