diff --git a/configs/i12-tvbox_defconfig b/configs/i12-tvbox_defconfig
index 5f5037e..65791b7 100644
--- a/configs/i12-tvbox_defconfig
+++ b/configs/i12-tvbox_defconfig
@@ -5,3 +5,6 @@
 +S:CONFIG_ARCH_SUNXI=y
 +S:CONFIG_MACH_SUN7I=y
 +S:CONFIG_TARGET_I12_TVBOX=y
++S:CONFIG_DRAM_CLK=384
++S:CONFIG_DRAM_ZQ=127
++S:CONFIG_DRAM_EMR1=4