diff --git a/src/main.c b/src/main.c
index 35a194d..f10f230 100644
--- a/src/main.c
+++ b/src/main.c
@@ -10,6 +10,7 @@ int main(void) {
     BOARD_InitBootPins();
     BOARD_InitBootClocks();
     BOARD_InitBootPeripherals();
+    BOARD_ConfigMPU();
 
     BOARD_InitDebugConsole();
 
@@ -19,6 +20,9 @@ int main(void) {
     GPIO_WritePinOutput(BOARD_INITLEDPINS_LED_G_GPIO, BOARD_INITLEDPINS_LED_G_PIN, 0U);
     GPIO_WritePinOutput(BOARD_INITLEDPINS_LED_B_GPIO, BOARD_INITLEDPINS_LED_B_PIN, 0U);
 
+    PRINTF("SmartCar!\r\n");
+    PRINTF("CPU frequency: %d\r\n", CLOCK_GetCoreSysClkFreq());
+
     for (;;) {
         __WFI();
     }