diff --git a/config/ibm/50001000_v2.json b/config/ibm/50001000_v2.json
index 221b9c5..178d670 100644
--- a/config/ibm/50001000_v2.json
+++ b/config/ibm/50001000_v2.json
@@ -24,6 +24,28 @@
             }
         }
     },
+    "muxes": [
+        {
+            "i2bus": "4",
+            "deviceaddress": "0xE0",
+            "holdidlepath": "/sys/bus/i2c/drivers/pca954x/4-0070/hold_idle"
+        },
+        {
+            "i2bus": "5",
+            "deviceaddress": "0xE0",
+            "holdidlepath": "/sys/bus/i2c/drivers/pca954x/5-0070/hold_idle"
+        },
+        {
+            "i2bus": "6",
+            "deviceaddress": "0xE0",
+            "holdidlepath": "/sys/bus/i2c/drivers/pca954x/6-0070/hold_idle"
+        },
+        {
+            "i2bus": "11",
+            "deviceaddress": "0xE0",
+            "holdidlepath": "/sys/bus/i2c/drivers/pca954x/11-0070/hold_idle"
+        }
+    ],
     "frus": {
         "/sys/bus/i2c/drivers/at24/8-0050/eeprom": [
             {
diff --git a/config/ibm/50001001_v2.json b/config/ibm/50001001_v2.json
index afc5ecc..e522d46 100644
--- a/config/ibm/50001001_v2.json
+++ b/config/ibm/50001001_v2.json
@@ -24,6 +24,28 @@
             }
         }
     },
+    "muxes": [
+        {
+            "i2bus": "4",
+            "deviceaddress": "0xE0",
+            "holdidlepath": "/sys/bus/i2c/drivers/pca954x/4-0070/hold_idle"
+        },
+        {
+            "i2bus": "5",
+            "deviceaddress": "0xE0",
+            "holdidlepath": "/sys/bus/i2c/drivers/pca954x/5-0070/hold_idle"
+        },
+        {
+            "i2bus": "6",
+            "deviceaddress": "0xE0",
+            "holdidlepath": "/sys/bus/i2c/drivers/pca954x/6-0070/hold_idle"
+        },
+        {
+            "i2bus": "11",
+            "deviceaddress": "0xE0",
+            "holdidlepath": "/sys/bus/i2c/drivers/pca954x/11-0070/hold_idle"
+        }
+    ],
     "frus": {
         "/sys/bus/i2c/drivers/at24/8-0050/eeprom": [
             {
diff --git a/config/ibm/50003000_v2.json b/config/ibm/50003000_v2.json
index 0c4bfd1..71049eb 100644
--- a/config/ibm/50003000_v2.json
+++ b/config/ibm/50003000_v2.json
@@ -24,6 +24,23 @@
             }
         }
     },
+    "muxes": [
+        {
+            "i2bus": "5",
+            "deviceaddress": "0xE0",
+            "holdidlepath": "/sys/bus/i2c/drivers/pca954x/5-0070/hold_idle"
+        },
+        {
+            "i2bus": "6",
+            "deviceaddress": "0xE0",
+            "holdidlepath": "/sys/bus/i2c/drivers/pca954x/6-0070/hold_idle"
+        },
+        {
+            "i2bus": "7",
+            "deviceaddress": "0xE0",
+            "holdidlepath": "/sys/bus/i2c/drivers/pca954x/7-0070/hold_idle"
+        }
+    ],
     "frus": {
         "/sys/bus/i2c/drivers/at24/8-0050/eeprom": [
             {