diff --git a/device/api/umd/device/tt_cluster_descriptor.h b/device/api/umd/device/tt_cluster_descriptor.h
index b7de3fdd..ef83051f 100644
--- a/device/api/umd/device/tt_cluster_descriptor.h
+++ b/device/api/umd/device/tt_cluster_descriptor.h
@@ -25,12 +25,14 @@ class Node;
 }
 
 enum BoardType : uint32_t {
-    N150 = 0,
-    N300 = 1,
-    E150 = 2,
-    P150A = 3,
-    GALAXY = 4,
-    UNKNOWN = 5,
+    E75 = 0,
+    E150 = 1,
+    E300 = 2,
+    N150 = 3,
+    N300 = 4,
+    P150A = 5,
+    GALAXY = 6,
+    UNKNOWN = 7,
 };
 
 class tt_ClusterDescriptor {
diff --git a/device/tt_cluster_descriptor.cpp b/device/tt_cluster_descriptor.cpp
index bc35ceb9..04b8beb6 100644
--- a/device/tt_cluster_descriptor.cpp
+++ b/device/tt_cluster_descriptor.cpp
@@ -737,16 +737,20 @@ void tt_ClusterDescriptor::load_chips_from_connectivity_descriptor(YAML::Node &y
         for (const auto &chip_board_type : yaml["boardtype"].as<std::map<int, std::string>>()) {
             auto &chip = chip_board_type.first;
             BoardType board_type;
-            if (chip_board_type.second == "n150") {
+            if (chip_board_type.second == "e75") {
+                board_type = BoardType::E75;
+            } else if (chip_board_type.second == "e150") {
+                board_type = BoardType::E150;
+            } else if (chip_board_type.second == "e300") {
+                board_type = BoardType::E300;
+            } else if (chip_board_type.second == "n150") {
                 board_type = BoardType::N150;
             } else if (chip_board_type.second == "n300") {
                 board_type = BoardType::N300;
-            } else if (chip_board_type.second == "GALAXY") {
-                board_type = BoardType::GALAXY;
-            } else if (chip_board_type.second == "e150") {
-                board_type = BoardType::E150;
             } else if (chip_board_type.second == "p150A") {
                 board_type = BoardType::P150A;
+            } else if (chip_board_type.second == "GALAXY") {
+                board_type = BoardType::GALAXY;
             } else {
                 log_warning(
                     LogSiliconDriver,