Description
You may see the error message "Error: 4 DQ per DQS (i.e. x4) is only supported with DDR4 RDIMM or LRDIMM." while configuring the External Memory Interfaces Intel Agilex® FPGA IP.
This error message indicates that the 4 DQ pin per DQS group is only supported with DDR4 RDIMM or LRDIMM memory format.
Resolution
To fix the error, please select other than 4 DQ pins per DQS group for DDR4 Component, UDIMM, and SODIMM memory format.