In the Quartus® II software version 9.0 SP1 and earlier, delay chain values for HardCopy® III devices are not correctly reflected in the TimeQuest Timing Analyzer. As a result, incorrect timing violations may be reported in I/O timing paths.
To show correct delay chain values in the TimeQuest Timing Analyzer, run the quartus_sta command at a command line with the --force_dat option as follows:
quartus_sta <project name>
If you are using the TimeQuest unser interface, run the following command within TimeQuest:
This problem is scheduled to be fixed in a future version of the Quartus II software.