Article ID: 000084666 Content Type: Troubleshooting Last Reviewed: 11/24/2011

–18 Presets Give Errors for RLDRAM II Controller with UniPHY

Environment

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

    Critical Issue

    Description

    If you select any preset with –18 (for example, MT49H64M9-18, MT49H32M18-18, MT49H16M36-18), you see the following error:

    Error: <variation>: Memory clock frequency must be between 170 MHz and 500 MHz
    Resolution

    Ensure you change the frequency to a supported frequency.

    Related Products

    This article applies to 1 products

    Intel® Programmable Devices