AR# 24539

描述

When I try to create a "FROM:TO" or multicycle constraint, the MULTS predefined group is not listed in the dialog box. How can I work around this issue?

解决方案

To work around this issue, manually modify the UCF file and include the MULTS group.

This problem has been fixed in the latest 9.1i Service Pack available at:

http://www.xilinx.com/xlnx/xil_sw_updates_home.jsp
The first service pack containing the fix is 9.1i Service Pack 1.