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LogiCORE IP Serial RapidIO Gen2 v1.4 (ISE 14.1/Vivado 2012.1) - 16-bit Device ID Width not Supported
Device ID width is always 8 bits even though it is set to 16 bits in the GUI.
This is a known issue and will be fixed in the next release of the core.
05/24/2012 - Initial Release