diff --git a/src/mainboard/google/rex/variants/kanix/overridetree.cb b/src/mainboard/google/rex/variants/kanix/overridetree.cb
index 8f2aed31bf..7ba3538879 100644
--- a/src/mainboard/google/rex/variants/kanix/overridetree.cb
+++ b/src/mainboard/google/rex/variants/kanix/overridetree.cb
@@ -88,6 +88,16 @@ chip soc/intel/meteorlake
 		[PchSerialIoIndexI2C5] = PchSerialIoPci,
 	}"
 
+	# Acoustic Noise settings and slew rate configuration:
+	#  slew rate for IA Domain: Fast/8
+	#  slew rate for GT Domain: Fast/8
+	#  Ignore slew rate configuration for SA Domain
+	register "enable_acoustic_noise_mitigation" = "1"
+	register "disable_fast_pkgc_ramp[VR_DOMAIN_IA]" = "1"
+	register "slow_slew_rate_config[VR_DOMAIN_IA]" = "SLEW_FAST_8"
+	register "disable_fast_pkgc_ramp[VR_DOMAIN_GT]" = "1"
+	register "slow_slew_rate_config[VR_DOMAIN_GT]" = "SLEW_FAST_8"
+
 	# Intel Common SoC Config
 	#+-------------------+---------------------------+
 	#| Field             |  Value                    |