diff --git a/src/PMURegisterDeclarations/GenuineIntel-6-4F-1.json b/src/PMURegisterDeclarations/GenuineIntel-6-4F-1.json
index 6901131a..3f1fcc2b 100644
--- a/src/PMURegisterDeclarations/GenuineIntel-6-4F-1.json
+++ b/src/PMURegisterDeclarations/GenuineIntel-6-4F-1.json
@@ -110,5 +110,13 @@
             "EdgeDetect":  {"Config": 0, "Position": 18, "Width": 1, "DefaultValue": 0},
             "Threshold":   {"Config": 0, "Position": 24, "Width": 8, "DefaultValue": 0}
         }
+    },
+    "ubox" : {
+        "programmable" : {
+            "EventCode":   {"Config": 0, "Position": 0, "Width": 8},
+            "UMask":       {"Config": 0, "Position": 8, "Width": 8},
+            "EdgeDetect":  {"Config": 0, "Position": 18, "Width": 1, "DefaultValue": 0},
+            "Threshold":   {"Config": 0, "Position": 24, "Width": 8, "DefaultValue": 0}
+        }
     }
 }
diff --git a/src/PMURegisterDeclarations/GenuineIntel-6-55-4.json b/src/PMURegisterDeclarations/GenuineIntel-6-55-4.json
index 2d39fd49..9b08c471 100644
--- a/src/PMURegisterDeclarations/GenuineIntel-6-55-4.json
+++ b/src/PMURegisterDeclarations/GenuineIntel-6-55-4.json
@@ -115,6 +115,14 @@
             "Threshold":   {"Config": 0, "Position": 24, "Width": 8, "DefaultValue": 0}
         }
     },
+    "ubox" : {
+        "programmable" : {
+            "EventCode":   {"Config": 0, "Position": 0, "Width": 8},
+            "UMask":       {"Config": 0, "Position": 8, "Width": 8},
+            "EdgeDetect":  {"Config": 0, "Position": 18, "Width": 1, "DefaultValue": 0},
+            "Threshold":   {"Config": 0, "Position": 24, "Width": 8, "DefaultValue": 0}
+        }
+    },
     "iio" : {
         "programmable" : {
             "EventCode":   {"Config": 0, "Position": 0, "Width": 8},
diff --git a/src/PMURegisterDeclarations/GenuineIntel-6-6A-6.json b/src/PMURegisterDeclarations/GenuineIntel-6-6A-6.json
index 6d1196f3..ee0d516d 100644
--- a/src/PMURegisterDeclarations/GenuineIntel-6-6A-6.json
+++ b/src/PMURegisterDeclarations/GenuineIntel-6-6A-6.json
@@ -116,6 +116,14 @@
             "Threshold":   {"Config": 0, "Position": 24, "Width": 8, "DefaultValue": 0}
         }
     },
+    "ubox" : {
+        "programmable" : {
+            "EventCode":   {"Config": 0, "Position": 0, "Width": 8},
+            "UMask":       {"Config": 0, "Position": 8, "Width": 8},
+            "EdgeDetect":  {"Config": 0, "Position": 18, "Width": 1, "DefaultValue": 0},
+            "Threshold":   {"Config": 0, "Position": 24, "Width": 8, "DefaultValue": 0}
+        }
+    },
     "pcu" : {
         "programmable" : {
             "EventCode":   {"Config": 0, "Position": 0, "Width": 8},
diff --git a/src/PMURegisterDeclarations/GenuineIntel-6-8F-6.json b/src/PMURegisterDeclarations/GenuineIntel-6-8F-6.json
index 60f71ca6..0cc35641 100644
--- a/src/PMURegisterDeclarations/GenuineIntel-6-8F-6.json
+++ b/src/PMURegisterDeclarations/GenuineIntel-6-8F-6.json
@@ -124,6 +124,14 @@
             "Threshold":   {"Config": 0, "Position": 24, "Width": 8, "DefaultValue": 0}
         }
     },
+    "ubox" : {
+        "programmable" : {
+            "EventCode":   {"Config": 0, "Position": 0, "Width": 8},
+            "UMask":       {"Config": 0, "Position": 8, "Width": 8},
+            "EdgeDetect":  {"Config": 0, "Position": 18, "Width": 1, "DefaultValue": 0},
+            "Threshold":   {"Config": 0, "Position": 24, "Width": 8, "DefaultValue": 0}
+        }
+    },
     "pcu" : {
         "programmable" : {
             "EventCode":   {"Config": 0, "Position": 0, "Width": 8},
diff --git a/src/PMURegisterDeclarations/GenuineIntel-6-CF-1.json b/src/PMURegisterDeclarations/GenuineIntel-6-CF-1.json
index 60f71ca6..0cc35641 100644
--- a/src/PMURegisterDeclarations/GenuineIntel-6-CF-1.json
+++ b/src/PMURegisterDeclarations/GenuineIntel-6-CF-1.json
@@ -124,6 +124,14 @@
             "Threshold":   {"Config": 0, "Position": 24, "Width": 8, "DefaultValue": 0}
         }
     },
+    "ubox" : {
+        "programmable" : {
+            "EventCode":   {"Config": 0, "Position": 0, "Width": 8},
+            "UMask":       {"Config": 0, "Position": 8, "Width": 8},
+            "EdgeDetect":  {"Config": 0, "Position": 18, "Width": 1, "DefaultValue": 0},
+            "Threshold":   {"Config": 0, "Position": 24, "Width": 8, "DefaultValue": 0}
+        }
+    },
     "pcu" : {
         "programmable" : {
             "EventCode":   {"Config": 0, "Position": 0, "Width": 8},