diff --git a/uaarhus.json b/uaarhus.json
index 0993009..7e57a80 100644
--- a/uaarhus.json
+++ b/uaarhus.json
@@ -21,6 +21,14 @@
             "ports": [1, 2],
             "clk_sel": 2,
             "synchronization": true
+        },
+        {
+            "type": "dio",
+            "board": "DIO_BNC",
+            "hw_rev": "v1.3",
+            "ports": [3],
+            "bank_direction_low": "output",
+            "bank_direction_high": "output"
         }
    ]
 }