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AR# 20139

6.3i BitGen - Virtex-4 designs containing RSDS_25 IO standards fail at BitGen with "ERROR:DesignRules:698"

Description

General Description:

Virtex-4 designs containing RSDS_25 IO standards fail at BitGen with the following error messages:

"ERROR:DesignRules:698 - Blockcheck: Invalid IOB configuration. The comp TRIB has

a the DIFF_TERM attribute is set to TRUE or FALSE and should be set to #OFF

for not LDVS io standards.

ERROR:DesignRules:695 - Blockcheck: Invalid IOB configuration. The comp

OBUFDSRSDS has a DIFFO_OUTUSED or DIFFO_INUSED set for differential output

but an LVDS differential io standard has not been set.

ERROR:DesignRules:694 - Blockcheck: Invalid IOB configuration. The comp A has a

INBUFUSED and DIFFI_INUSED set for differential input but a differential io

standard has not been set."

Solution

This problem has been fixed in the latest 6.3i Service Pack available at:

http://support.xilinx.com/xlnx/xil_sw_updates_home.jsp
The first service pack containing the fix is 6.3i Service Pack 2.

AR# 20139
Date Created 09/03/2007
Last Updated 12/15/2012
Status Active
Type General Article