diff --git a/src/mainboard/google/link/devicetree.cb b/src/mainboard/google/link/devicetree.cb
index 5ac8d6b..437b3cb 100644
--- a/src/mainboard/google/link/devicetree.cb
+++ b/src/mainboard/google/link/devicetree.cb
@@ -18,6 +18,8 @@
 	register "gpu_cpu_backlight" = "0x00000200"
 	register "gpu_pch_backlight" = "0x04000000"
 
+	register "max_mem_clock_mhz" = "666"
+
 	device cpu_cluster 0 on
 		chip cpu/intel/socket_rPGA989
 			device lapic 0 on end