diff --git a/addpros.json b/addpros.json
new file mode 100644
index 0000000..a28310a
--- /dev/null
+++ b/addpros.json
@@ -0,0 +1,86 @@
+{
+  "_description": "ADD ProS",
+  "target": "kasli",
+  "min_artiq_version": "6.0",
+  "variant": "addpros",
+  "hw_rev": "v2.0",
+  "ext_ref_frequency": 10e6,
+  "base": "standalone",
+  "core_addr": "10.34.16.100",
+  "vendor": "QUARTIQ",
+  "peripherals": [
+      {
+        "type": "dio",
+        "board": "DIO_SMA",
+        "ports": [0],
+        "hw_rev": "v1.2",
+        "bank_direction_low": "input",
+        "bank_direction_high": "output"
+      },
+      {
+        "type": "dio",
+        "board": "DIO_SMA",
+        "ports": [1],
+        "hw_rev": "v1.2",
+        "bank_direction_low": "output",
+        "bank_direction_high": "output"
+      },
+      {
+        "type": "dio",
+        "board": "DIO_SMA",
+        "ports": [2],
+        "hw_rev": "v1.2",
+        "bank_direction_low": "output",
+        "bank_direction_high": "output"
+      },
+      {
+        "type": "dio",
+        "board": "DIO_SMA",
+        "ports": [3],
+        "hw_rev": "v1.2",
+        "bank_direction_low": "output",
+        "bank_direction_high": "output"
+      },
+      {
+        "type": "dio",
+        "board": "DIO_SMA",
+        "ports": [4],
+        "hw_rev": "v1.2",
+        "bank_direction_low": "output",
+        "bank_direction_high": "output"
+      },
+      {
+        "type": "dio",
+        "board": "DIO_SMA",
+        "ports": [5],
+        "hw_rev": "v1.2",
+        "bank_direction_low": "output",
+        "bank_direction_high": "output"
+      },
+      {
+        "type": "dio",
+        "board": "DIO_SMA",
+        "ports": [6],
+        "hw_rev": "v1.2",
+        "bank_direction_low": "output",
+        "bank_direction_high": "output"
+      },
+      {
+        "type": "urukul",
+        "hw_rev": "v1.5",
+        "ports": [7, 8],
+        "clk_sel": 2,
+        "synchronization": true
+      },
+      {
+        "type": "sampler",
+        "hw_rev": "v2.2",
+        "ports": [9, 10]
+      },
+      {
+        "type": "fastino",
+        "hw_rev": "v1.2",
+        "ports": [11]
+      }
+ ]
+}
diff --git a/stuttgart2a.json b/stuttgart2a.json
new file mode 100644
index 0000000..66237a1
--- /dev/null
+++ b/stuttgart2a.json
@@ -0,0 +1,31 @@
+{
+    "_description": "Stuttgart Meinert A",
+    "target": "kasli",
+    "min_artiq_version": "6.0",
+    "variant": "stuttgart2a",
+    "hw_rev": "v2.0",
+    "ext_ref_frequency": 10e6,
+    "base": "standalone",
+    "core_addr": "10.34.16.100",
+    "vendor": "QUARTIQ",
+    "peripherals": [
+        {
+          "type": "suservo",
+          "sampler_ports": [4, 5],
+          "urukul0_ports": [0, 1],
+          "urukul1_ports": [2, 3],
+          "clk_sel": 2
+        },
+        {
+          "type": "suservo",
+          "sampler_ports": [8, 9],
+          "urukul0_ports": [6, 7],
+          "clk_sel": 2
+        },
+        {
+          "type": "sampler",
+          "hw_rev": "v2.2",
+          "ports": [10, 11]
+        }
+   ]
+}
diff --git a/stuttgart2b.json b/stuttgart2b.json
new file mode 100644
index 0000000..1ee8f44
--- /dev/null
+++ b/stuttgart2b.json
@@ -0,0 +1,42 @@
+{
+    "_description": "Stuttgart Meinert B",
+    "target": "kasli",
+    "min_artiq_version": "6.0",
+    "variant": "stuttgart2b",
+    "hw_rev": "v2.0",
+    "ext_ref_frequency": 10e6,
+    "base": "standalone",
+    "core_addr": "10.34.16.100",
+    "vendor": "QUARTIQ",
+    "peripherals": [
+        {
+          "type": "dio",
+          "board": "DIO_SMA",
+          "ports": [0],
+          "hw_rev": "v1.2",
+          "bank_direction_low": "input",
+          "bank_direction_high": "output"
+        },
+        {
+          "type": "dio",
+          "board": "DIO_SMA",
+          "ports": [1],
+          "hw_rev": "v1.2",
+          "bank_direction_low": "output",
+          "bank_direction_high": "output"
+        },
+        {
+          "type": "dio",
+          "board": "DIO_SMA",
+          "ports": [2],
+          "hw_rev": "v1.2",
+          "bank_direction_low": "output",
+          "bank_direction_high": "output"
+        },
+        {
+          "type": "zotino",
+          "hw_rev": "v1.3",
+          "ports": [3]
+        }
+   ]
+}