–18 Presets Give Errors for RLDRAM II Controller with UniPHY - –18 Presets Give Errors for RLDRAM II Controller with UniPHY 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. Custom Fields values: ['novalue'] Troubleshooting novalue True ['novalue'] ['FPGA Dev Tools Quartus II Software'] 11.0 10.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue'] - 2021-08-25

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