Only version 1.3, rev 2 or later revisions of the v1.3 wrapper are supported on ES silicon. No other version is supported on ES silicon.
For more information on CES errata and how to know if your silicon is CES or not,see the Virtex-6 errata found in the
Virtex-6 Documentation Center.
Ifyou are targeting an ML605 board with ES silicon, use the v1.3, rev 2 core; see
(Xilinx Answer 34009) for more information.
Revision History 11/14/2011- Updated statement about ML605
08/06/2010 - Updated text to clarify supported ES versions
12/22/2009 - Initial Release