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AR# 15572

5.1i Speed Files - For a Virtex-II Pro device, what should the maximum pulse width of the MGT be?


Keywords: MGT, Virtex-II Pro, maximum, max

Urgency: Standard

General Description:
What is the maximum pulse width of the MGT on my Virtex-II Pro device? Will a warning remind me of the maximum pulse width?


The pulse width for the GT site is limited to 2 Gb/s. A warning will be issued if the -5 speed grade and 1 or more MGTs are used.

This problem is fixed in the latest 5.1i Service Pack, available at:
The first service pack containing the fix is 5.1i Service Pack 1.
AR# 15572
Date Created 09/09/2002
Last Updated 03/06/2005
Status Archive
Type General Article