Virtex-5 FPGA Aurora 8B/10B Migration to Aurora 64B/66B User Guide (UG519) - 1.0 English - This user guide provides instructions for migrating from the Xilinx LogiCORE IP Aurora 8B/10B core to the Aurora 64B/66B core in a Virtex-5 FPGA. This guide also describes the function and and operation of these cores and the differences between them, and provides information about using the cores.