diff --git a/src/mainboard/system76/addw2/devicetree.cb b/src/mainboard/system76/addw2/devicetree.cb
index 63f214beda..48d7dc8f93 100644
--- a/src/mainboard/system76/addw2/devicetree.cb
+++ b/src/mainboard/system76/addw2/devicetree.cb
@@ -15,7 +15,7 @@ chip soc/intel/cannonlake
 
 # ACPI (soc/intel/cannonlake/acpi.c)
 	# Enable s0ix
-	register "s0ix_enable" = "1"
+	register "s0ix_enable" = "0"
 
 	# PM Timer Enabled
 	register "PmTimerDisabled" = "0"
diff --git a/src/mainboard/system76/cml-u/devicetree.cb b/src/mainboard/system76/cml-u/devicetree.cb
index 495d817991..e241a967bc 100644
--- a/src/mainboard/system76/cml-u/devicetree.cb
+++ b/src/mainboard/system76/cml-u/devicetree.cb
@@ -14,7 +14,7 @@ chip soc/intel/cannonlake
 
 # ACPI (soc/intel/cannonlake/acpi.c)
 	# Enable s0ix
-	register "s0ix_enable" = "1"
+	register "s0ix_enable" = "0"
 
 	# PM Timer Enabled
 	register "PmTimerDisabled" = "0"
diff --git a/src/mainboard/system76/gaze15/devicetree.cb b/src/mainboard/system76/gaze15/devicetree.cb
index 568c58b988..276581b5b7 100644
--- a/src/mainboard/system76/gaze15/devicetree.cb
+++ b/src/mainboard/system76/gaze15/devicetree.cb
@@ -15,7 +15,7 @@ chip soc/intel/cannonlake
 
 # ACPI (soc/intel/cannonlake/acpi.c)
 	# Enable s0ix
-	register "s0ix_enable" = "1"
+	register "s0ix_enable" = "0"
 
 	# PM Timer Enabled
 	register "PmTimerDisabled" = "0"
diff --git a/src/mainboard/system76/lemp9/devicetree.cb b/src/mainboard/system76/lemp9/devicetree.cb
index 89e8dcc3a8..f3f6ccbdc6 100644
--- a/src/mainboard/system76/lemp9/devicetree.cb
+++ b/src/mainboard/system76/lemp9/devicetree.cb
@@ -14,7 +14,7 @@ chip soc/intel/cannonlake
 
 # ACPI (soc/intel/cannonlake/acpi.c)
 	# Enable s0ix
-	register "s0ix_enable" = "1"
+	register "s0ix_enable" = "0"
 
 	# PM Timer Enabled
 	register "PmTimerDisabled" = "0"
diff --git a/src/mainboard/system76/oryp6/devicetree.cb b/src/mainboard/system76/oryp6/devicetree.cb
index 584343af3e..092338ac6f 100644
--- a/src/mainboard/system76/oryp6/devicetree.cb
+++ b/src/mainboard/system76/oryp6/devicetree.cb
@@ -15,7 +15,7 @@ chip soc/intel/cannonlake
 
 # ACPI (soc/intel/cannonlake/acpi.c)
 	# Enable s0ix
-	register "s0ix_enable" = "1"
+	register "s0ix_enable" = "0"
 
 	# PM Timer Enabled
 	register "PmTimerDisabled" = "0"
diff --git a/src/mainboard/system76/whl-u/devicetree.cb b/src/mainboard/system76/whl-u/devicetree.cb
index 495d817991..e241a967bc 100644
--- a/src/mainboard/system76/whl-u/devicetree.cb
+++ b/src/mainboard/system76/whl-u/devicetree.cb
@@ -14,7 +14,7 @@ chip soc/intel/cannonlake
 
 # ACPI (soc/intel/cannonlake/acpi.c)
 	# Enable s0ix
-	register "s0ix_enable" = "1"
+	register "s0ix_enable" = "0"
 
 	# PM Timer Enabled
 	register "PmTimerDisabled" = "0"