In the Pin Planner, the Live I/O Check feature is not supported for Stratix V - In the Pin Planner, the Live I/O Check feature is not supported for Stratix V Description In the Pin Planner, the Live I/O Check feature is not supported. Attempting to run Live I/O Check fails with an error similar to the following: Internal Error: Sub-system CUT, FileL/quartus/db/cut/cut_generic_pll_group.cpp, Line:298. Custom Fields values: ['novalue'] Troubleshooting novalue True ['I O'] ['FPGA Dev Tools Quartus II Software'] novalue 10.1 ['Stratix® V FPGAs'] ['novalue'] ['novalue'] ['novalue']