ID:186335 DQS I/O pin "<name>" must drive DQ I/O pin clocks CAUSE: The specified DQS I/O pin does not driveDQ I/O input register clock. The input registers of DQ I/O pins must be clocked by a DQS I/O pin. ACTION: Modify the design so that the DQS I/O pin drives DQ I/O pin clocks.