This is the tactical speed file patch to provide the slower speedfiles for 7 series GES 7K480T-2 devices for Vivado Design Suite 2012.4.
At the end of this answer record are links to the individual patch for each GES device.
Applying the Patch
The patch can be applied to ISE design tools using the MYXILINX environment variable, or to Vivado tools using the MYVIVADO environment variable.
For information on how to set environment variables, see (Xilinx Answer 11630).
For information on how to use the MYXILINX environment variable, see (Xilinx Answer 2493).
MYVIVADO is used in the same way as MYXILINX.