diff --git a/libraries/io/ddr/hdllib.cfg b/libraries/io/ddr/hdllib.cfg
index e095989542574effa2e6ded63b7f0bebdb20f18b..5855c3eb57edb5ad056e465440dfc3c22ee1503e 100644
--- a/libraries/io/ddr/hdllib.cfg
+++ b/libraries/io/ddr/hdllib.cfg
@@ -23,9 +23,11 @@ regression_test_vhdl =
 
 [modelsim_project_file]
 modelsim_compile_ip_files =
-    $RADIOHDL_WORK/libraries/technology/ip_stratixiv/ddr3_uphy_4g_800_master/copy_hex_files.tcl
-    $RADIOHDL_WORK/libraries/technology/ip_arria10/ddr4_4g_1600/copy_hex_files.tcl
-    $RADIOHDL_WORK/libraries/technology/ip_arria10_e1sg/ddr4_4g_1600/copy_hex_files.tcl
+    $RADIOHDL_WORK/libraries/technology/ip_stratixiv/ddr3_uphy_4g_800_master/copy_hex_files.tcl  # 4GB DDR3 model
+    $RADIOHDL_WORK/libraries/technology/ip_arria10/ddr4_4g_1600/copy_hex_files.tcl               # 4GB DDR4 model
+    $RADIOHDL_WORK/libraries/technology/ip_arria10_e1sg/ddr4_4g_1600/copy_hex_files.tcl          # Unb2b 4GB DDR4 driver
+    $RADIOHDL_WORK/libraries/technology/ip_arria10_e1sg/ddr4_8g_1600/copy_hex_files.tcl          # Unb2b 8GB DDR4 driver
+    $RADIOHDL_WORK/libraries/technology/ip_arria10_e2sg/ddr4_8g_1600/copy_hex_files.tcl          # Unb2c 8GB DDR4 driver
 
 
 [quartus_project_file]