Article ID: 000085909 Content Type: Troubleshooting Last Reviewed: 06/18/2012

Illegal Speed Grade Error with Arria V and Cyclone V Devices

Environment

  • Quartus® II Subscription Edition
  • BUILT IN - ARTICLE INTRO SECOND COMPONENT

    Critical Issue

    Description

    This problem affects DDR2, DDR3, and LPDDR2 products.

    The parameter editor allows you to select an unsupported speed grade for the target FPGA, resulting in an error message.

    Resolution

    The workaround for this issue is to select only supported speed grade devices.

    This issue will be fixed in a future version.

    Related Products

    This article applies to 2 products

    Arria® V FPGAs and SoC FPGAs
    Cyclone® V FPGAs and SoC FPGAs