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# 12703

4.1i Virtex-II MAP - MAP is dropping AREA_GROUP constraints for RAM16x1Ds


Keywords: RAM16x1D, RAM, area groups, AREA_GROUP, dropped, lost, PCF

Urgency: Standard

General Description:
RAM16x1D area group constraints defined in the UCF file are being dropped by MAP and are not passed to the PCF file. This can result in a placement outside the intended area.


This problem is fixed in the latest 4.1i Service Pack, available at:
The first service pack containing the fix is 4.1i Service Pack 2.
AR# 12703
Date Created 09/28/2001
Last Updated 08/20/2003
Status Archive
Type General Article