Answers Database
1.5i PAR - Placement error related to use of carry logic in guided PAR.
Record #5543
Product Family: Software
Product Line: FPGA Implementation
Product Part: par
Product Version: 1.5i
Problem Title:
1.5i PAR - Placement error related to use of carry logic in guided PAR.
Problem Description:
ERROR:x45pl:38 - Carry logic cannot be placed due to a conflict in
location constraints. The required placement for the carry logic chain is as follows:
This occurs in both exact and leverage mode.
Solution 1:
A fix for this problem is included in the 1.5i Service Pack 1. For details
on this Service Pack see http://www.xilinx.com/techdocs/5514.htm
End of Record #5543 - Last Modified: 02/20/99 19:16 | 
