C4 Speed Grade Should Be Available for Gen2 Variants of the Stratix V Hard IP for PCI Express IP Core - C4 Speed Grade Should Be Available for Gen2 Variants of the Stratix V Hard IP for PCI Express IP Core Description The C4 speed grade should be available for Gen2 variants of the Stratix V Hard IP for PCI Express IP Core. However, version 12.0 of the Quartus II software does not allow you to select this speed grade. Resolution This issue is fixed in version 12.0 SP1 of the Quartus II software. Custom Fields values: ['novalue'] Troubleshooting novalue True ['novalue'] ['FPGA Dev Tools Quartus II Software'] 12.0.1 12.0 ['Stratix® V FPGAs'] ['novalue'] ['novalue'] ['novalue']