diff --git a/configs/sama5d4-ek/nsh/defconfig b/configs/sama5d4-ek/nsh/defconfig
index f7d781bdbb..40199147fa 100644
--- a/configs/sama5d4-ek/nsh/defconfig
+++ b/configs/sama5d4-ek/nsh/defconfig
@@ -509,6 +509,12 @@ CONFIG_DEV_ZERO=y
 CONFIG_ARCH_HAVE_RNG=y
 CONFIG_DEV_RANDOM=y
 # CONFIG_LOOP is not set
+
+#
+# Buffering
+#
+# CONFIG_DRVR_WRITEBUFFER is not set
+# CONFIG_DRVR_READAHEAD is not set
 # CONFIG_RAMDISK is not set
 # CONFIG_CAN is not set
 # CONFIG_ARCH_HAVE_PWM_PULSECOUNT is not set
@@ -822,6 +828,7 @@ CONFIG_SYSLOG=y
 #
 CONFIG_NX=y
 CONFIG_NX_NPLANES=1
+CONFIG_NX_BGCOLOR=0x7b5d
 # CONFIG_NX_WRITEONLY is not set
 
 #
diff --git a/configs/sama5d4-ek/nxwm/defconfig b/configs/sama5d4-ek/nxwm/defconfig
index b4ce31b3ac..32a71f7975 100644
--- a/configs/sama5d4-ek/nxwm/defconfig
+++ b/configs/sama5d4-ek/nxwm/defconfig
@@ -513,6 +513,10 @@ CONFIG_DEV_ZERO=y
 CONFIG_ARCH_HAVE_RNG=y
 CONFIG_DEV_RANDOM=y
 # CONFIG_LOOP is not set
+
+#
+# Buffering
+#
 # CONFIG_DRVR_WRITEBUFFER is not set
 # CONFIG_DRVR_READAHEAD is not set
 # CONFIG_RAMDISK is not set
@@ -828,6 +832,7 @@ CONFIG_SYSLOG=y
 #
 CONFIG_NX=y
 CONFIG_NX_NPLANES=1
+CONFIG_NX_BGCOLOR=0x7b5d
 # CONFIG_NX_WRITEONLY is not set
 
 #