Starting with 11.1, all ISE® CORE Generator IP Updates are bundled with quarterly ISE software updates.
Refer to the appropriate section of the master Release Notes Guide for Xilinx IP for information on:
See the ISE IP Update System Requirements page for a comprehensive listing of system requirements for past releases.
Cores delivered with each IP Update up to 12.3 require updated MXE XilinxCoreLib libraries. For information on how to obtain the latest precompiled MXE libraries, see Xilinx Answer 10616.
ISE Design Suite 12.3 is the last version of Xilinx ISE software to support ModelSim Xilinx Edition III. ISE Simulator (ISim), available in all Editions of the ISE Design Suite, may be used as a replacement.