diff --git a/oem/ibm/configurations/bios/integer_attrs.json b/oem/ibm/configurations/bios/integer_attrs.json
index 791d33d..fdaa6b9 100644
--- a/oem/ibm/configurations/bios/integer_attrs.json
+++ b/oem/ibm/configurations/bios/integer_attrs.json
@@ -44,6 +44,15 @@
          "default_value" : 4,
          "helpText" : "Specifies the size of the logical memory block the system uses to read memory, requires a reboot for a change to be applied. Encoded: 3=128MB 4=256MB.",
          "displayName" : "Memory Region Size"
-      }
+      },
+      {
+         "attribute_name" : "hb_field_core_override",
+         "lower_bound" : 0,
+         "upper_bound" : 255,
+         "scalar_increment" : 1,
+         "default_value" : 0,
+         "helpText" : "The number of cores to activate where 0 being to activate all available cores. Where N, for fused cores, is to activate 2N cores. Where N, for non-fused cores, is to activate N cores.",
+         "displayName" : "Field Core Override"
+     }
    ]
 }