Hard IP for PCI Express NCSim Root Port Simulation Fails - Hard IP for PCI Express NCSim Root Port Simulation Fails Description Due to timescale directive issues, the Quartus II software does not currently support NCSim simulations. Resolution This issue is fixed for Arria 10 devices in version 15.0 of the Quartus II software. It will not be fixed for earlier devices. Altera recommends using a different simulator. Custom Fields values: ['novalue'] Troubleshooting novalue True ['PCI Express'] ['FPGA Dev Tools Quartus II Software'] 15.0 13.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']