Agilex 7 M-series GSRD wrong DDR5 memory size

Hi, I followed the development of GSRD for Agilex 7 M-series, like in https://altera-fpga.github.io/rel-25.1/embedded-designs/agilex-7/m-series/hbm2e/ug-gsrd-agx7m-hbm2e/ When I boot, I get ...