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AR# 17938

6.1 NGDBuild Spartan-3 - Use of the RSDS_25 standard leads to warning messages

Description

Keywords: RSDS, Spartan-3

Urgency: Standard

General Description:
When I try to use the RSDS_25 I/O Standard on my Spartan-3 design, the following messages are reported:

"WARNING:NgdBuild:488 - Attribute value "RSDS_25" is not an accepted value for attribute "IOSTANDARD" on "CLK_TX_p".
WARNING:NgdBuild:488 - Attribute value "RSDS_25" is not an accepted value for attribute "IOSTANDARD" on "CLK_TX_n"."

Solution

This problem has been fixed in the latest 6.1i Service Pack, available at:
http://support.xilinx.com/support/techsup/sw_updates
The first service pack containing the fix is 6.1i Service Pack 1.
AR# 17938
Date Created 09/05/2003
Last Updated 02/21/2007
Status Archive
Type General Article