diff --git a/src/mainboard/lenovo/t60/devicetree.cb b/src/mainboard/lenovo/t60/devicetree.cb
index 3d2d47114c..9d7a414662 100644
--- a/src/mainboard/lenovo/t60/devicetree.cb
+++ b/src/mainboard/lenovo/t60/devicetree.cb
@@ -133,6 +133,8 @@ chip northbridge/intel/i945
 					register "event7_enable" = "0x01"
 					register "event8_enable" = "0x01"
 					register "event9_enable" = "0xff"
+					register "eventa_enable" = "0xff"
+					register "eventb_enable" = "0xff"
 					register "eventc_enable" = "0xff"
 					register "eventd_enable" = "0xff"
 					register "eventc_enable" = "0x3c"