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AR# 11154

3.1i Virtex-II PAR - Router fails to route TBUF nets with a single TBUF driver.


Keywords: router, unrouted, TBUF, BUFT, unroute

Urgency: Standard

General Description:
The Virtex-II router fails to route a TBUF-driven net when there is only a single TBUF driver. (Nets with multiple TBUF drivers are handled correctly.)


This problem is fixed in the latest 3.1i Service Pack, available at:
The first service pack containing the fix is 3.1i Service Pack 8.
AR# 11154
Date Created 08/29/2007
Last Updated 10/21/2008
Status Archive
Type General Article