diff --git a/configurations/harma_mb.json b/configurations/harma_mb.json
index 2af3104..c25cbb2 100644
--- a/configurations/harma_mb.json
+++ b/configurations/harma_mb.json
@@ -1000,7 +1000,11 @@
         }
     ],
     "Name": "Harma MB",
-    "Probe": "xyz.openbmc_project.FruDevice({'BOARD_PRODUCT_NAME': 'Harma MB '})",
+    "Probe": [
+        "xyz.openbmc_project.FruDevice({'BOARD_PRODUCT_NAME': 'Harma MB EVT', 'BOARD_PART_NUMBER': '3BF0MMA0040'})",
+        "OR",
+        "xyz.openbmc_project.FruDevice({'BOARD_PRODUCT_NAME': 'Harma MB EVT', 'BOARD_PART_NUMBER': '3BF0MMA0080'})"
+    ],
     "Type": "Board",
     "xyz.openbmc_project.Inventory.Decorator.Asset": {
         "Manufacturer": "$PRODUCT_MANUFACTURER",