diff --git a/cu4.json b/cu4.json
new file mode 100644
index 0000000..171814f
--- /dev/null
+++ b/cu4.json
@@ -0,0 +1,63 @@
+{
+    "target": "kasli",
+    "variant": "cu4",
+    "hw_rev": "v1.1",
+    "base": "standalone",
+    "core_addr": "192.168.1.75",
+    "peripherals": [
+        {
+            "type": "dio",
+            "board": "DIO_SMA",
+            "ports": [0],
+            "bank_direction_low": "input",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "dio",
+            "board": "DIO_SMA",
+            "ports": [1],
+            "bank_direction_low": "output",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "dio",
+            "board": "DIO_SMA",
+            "ports": [2],
+            "bank_direction_low": "output",
+            "bank_direction_high": "output"
+        },
+        {
+            "type": "grabber",
+            "ports": [3]
+        },
+        {
+            "type": "urukul",
+            "dds": "ad9910",
+            "ports": [4, 5],
+            "synchronization": true,
+            "clk_sel": 2
+        },
+        {
+            "type": "urukul",
+            "dds": "ad9910",
+            "ports": [6, 7],
+            "synchronization": true,
+            "clk_sel": 2
+        },
+        {
+            "type": "urukul",
+            "dds": "ad9910",
+            "ports": [8, 9],
+            "synchronization": true,
+            "clk_sel": 2
+        },
+        {
+            "type": "sampler",
+            "ports": [10]
+        },
+        {
+            "type": "zotino",
+            "ports": [11]
+        }
+    ]
+}
\ No newline at end of file