How do I instantiate GT11CLK_MGT?

The Virtex-4 lib manual suggests that the Architecture Wizard should be
used, however I can't see how... The Virtex-4 RocketIO  Guide doesn't seem
to have this information either...


Thanks,
/Mikhail

I found that they actually had an option of instantiating the GT11CLK in
some earlier version of the Architecture Wizard
(http://www.xilinx.com/xlnx/xil_ans_display.jsp?iLanguageID=1&iCountryID=1&g
etPagePath=17415), but it has been deleted in 7.1... Not very helpful...

/Mikhail