diff --git a/src/mainboard/google/volteer/variants/delbin/overridetree.cb b/src/mainboard/google/volteer/variants/delbin/overridetree.cb
index c0eaedb25c..577404737b 100644
--- a/src/mainboard/google/volteer/variants/delbin/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/delbin/overridetree.cb
@@ -44,6 +44,14 @@ chip soc/intel/tigerlake
 			},
 		},
 	}"
+	#These settings improve the USB2 Port1 eye diagram
+	register "usb2_ports[3]" = "{
+		.enable = 1,
+		.tx_bias = USB2_BIAS_28P15MV,
+		.tx_emp_enable = USB2_PRE_EMP_ON,
+		.pre_emp_bias = USB2_BIAS_56P3MV,
+		.pre_emp_bit = USB2_HALF_BIT_PRE_EMP,
+	}"
 
 	# Acoustic settings
 	register "AcousticNoiseMitigation" = "1"