diff --git a/configs/sama5d4-ek/ramtest/defconfig b/configs/sama5d4-ek/ramtest/defconfig
index dbdbcebe0d..99e53ac0f3 100644
--- a/configs/sama5d4-ek/ramtest/defconfig
+++ b/configs/sama5d4-ek/ramtest/defconfig
@@ -309,8 +309,8 @@ CONFIG_NSH_MMCSDMINOR=0
 # Board-Specific Options
 #
 # CONFIG_SAMA5D4EK_384MHZ is not set
-CONFIG_SAMA5D4EK_396MHZ=y
-# CONFIG_SAMA5D4EK_528MHZ is not set
+# CONFIG_SAMA5D4EK_396MHZ is not set
+CONFIG_SAMA5D4EK_528MHZ=y
 CONFIG_SAMA5D4EK_MT47H128M16RT=y
 # CONFIG_SAMA5D4EK_MT47H64M16HR is not set
 
@@ -467,7 +467,6 @@ CONFIG_USART3_ISUART=y
 CONFIG_MCU_SERIAL=y
 CONFIG_STANDARD_SERIAL=y
 CONFIG_USART3_SERIAL_CONSOLE=y
-# CONFIG_USART4_SERIAL_CONSOLE is not set
 # CONFIG_NO_SERIAL_CONSOLE is not set
 
 #
@@ -816,6 +815,11 @@ CONFIG_NSH_CONSOLE=y
 # FLASH Erase-all Command
 #
 
+#
+# Intel HEX to binary conversion
+#
+# CONFIG_SYSTEM_HEX2BIN is not set
+
 #
 # I2C tool
 #