If ISE Design Suite 11.5 is used to implement the v1.3 wrapper, MAP fails with theh following error:
"ERROR:PhysDesignRules:1995 - The computed value for the VCO operating frequency of MMCM_ADV instance cgator_wrapper/rport/pcie_clocking_i/mmcm_adv_i is calculated to be 500.000000 MHz. This falls below the operating range of the MMCM VCO frequency for this device of 600.000000 - 1200.000000 MHz. Please adjust either the input frequency CLKINx_PERIOD, multiplication factor CLKFBOUT_MULT_F or the division factor DIVCLK_DIVIDE, in order to achieve a VCO frequency within the rated operating range for this device."
The MMCM attribute settings in the v1.3 core are incorrect. You should download the files provided in this Answer Record to obtain the correct settings. Implementation with ISE 11.3 design tools does not indicate any error message, but the settings should be updated.