We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!

AR# 17936

6.1i Constraints Editor - A PRIORITY on a PERIOD constraint is removed when I save


General Description:

When I save my UCF and I have the PRIORITY keyword on my PERIOD constraint, the PRIORITY portion is removed.


This problem has been fixed in the latest 6.1i Service Pack, available at:

The first service pack containing the fix is 6.1i Service Pack 1.

AR# 17936
Date Created 09/03/2007
Last Updated 01/18/2010
Status Archive
Type General Article