diff --git a/ptb4.json b/ptb4.json
index c608ca8..1238a11 100644
--- a/ptb4.json
+++ b/ptb4.json
@@ -3,13 +3,16 @@
     "variant": "ptb4",
     "hw_rev": "v1.1",
     "base": "standalone",
-    "core_addr": "10.0.16.140",
+    "core_addr": "10.34.16.100",
+    "ext_ref_frequency": 10e6,
+    "vendor": "QUARTIQ",
     "peripherals": [
         {
             "type": "dio",
             "ports": [0],
             "bank_direction_low": "input",
-            "bank_direction_high": "output"
+            "bank_direction_high": "output",
+            "edge_counter": true
         },
         {
             "type": "dio",