diff --git a/coreboot b/coreboot
new file mode 160000
index 0000000000..1db39a4466
--- /dev/null
+++ b/coreboot
@@ -0,0 +1 @@
+Subproject commit 1db39a44661f57c2ffe0d795e21c0a4d5dddb494
diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
index 57c4e65e70..426bdae88d 100644
--- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
@@ -37,10 +37,10 @@ chip soc/intel/cannonlake
 	register "tdp_pl2_override" = "51"
 	register "Device4Enable" = "1"
 	register "AcousticNoiseMitigation" = "1"
-	register "SlowSlewRateForIa" = "0"
-	register "SlowSlewRateForGt" = "0"
+	register "SlowSlewRateForIa" = "2"
+	register "SlowSlewRateForGt" = "2"
 	register "SlowSlewRateForSa" = "0"
-	register "SlowSlewRateForFivr" = "0"
+	register "SlowSlewRateForFivr" = "2"
 	# Enable eDP device
 	register "DdiPortEdp" = "1"
 	# Enable HPD for DDI ports B/C