diff --git a/boards/ST_STM32F4_DISCOVERY/board.c b/boards/ST_STM32F4_DISCOVERY/board.c
index df35e5013..b8f1272f9 100644
--- a/boards/ST_STM32F4_DISCOVERY/board.c
+++ b/boards/ST_STM32F4_DISCOVERY/board.c
@@ -63,21 +63,21 @@ void __early_init(void) {
 #if HAL_USE_SDC || defined(__DOXYGEN__)
 /**
  * @brief   SDC card detection.
- * @todo    Fill the implementation.
  */
 bool_t sdc_lld_is_card_inserted(SDCDriver *sdcp) {
 
   (void)sdcp;
+  /* TODO: Fill the implementation.*/
   return TRUE;
 }
 
 /**
  * @brief   SDC card write protection detection.
- * @todo    Fill the implementation.
  */
 bool_t sdc_lld_is_write_protected(SDCDriver *sdcp) {
 
   (void)sdcp;
+  /* TODO: Fill the implementation.*/
   return FALSE;
 }
 #endif /* HAL_USE_SDC */
@@ -85,21 +85,21 @@ bool_t sdc_lld_is_write_protected(SDCDriver *sdcp) {
 #if HAL_USE_MMC_SPI || defined(__DOXYGEN__)
 /**
  * @brief   MMC_SPI card detection.
- * @todo    Fill the implementation.
  */
 bool_t mmc_lld_is_card_inserted(MMCDriver *mmcp) {
 
   (void)mmcp;
+  /* TODO: Fill the implementation.*/
   return TRUE;
 }
 
 /**
  * @brief   MMC_SPI card write protection detection.
- * @todo    Fill the implementation.
  */
 bool_t mmc_lld_is_write_protected(MMCDriver *mmcp) {
 
   (void)mmcp;
+  /* TODO: Fill the implementation.*/
   return FALSE;
 }
 #endif
diff --git a/boards/ST_STM32F4_DISCOVERY/board.h b/boards/ST_STM32F4_DISCOVERY/board.h
index 2206ead85..fa3fa4a08 100644
--- a/boards/ST_STM32F4_DISCOVERY/board.h
+++ b/boards/ST_STM32F4_DISCOVERY/board.h
@@ -681,10 +681,10 @@
                                      PIN_ODR_HIGH(GPIOD_PIN9) |             \
                                      PIN_ODR_HIGH(GPIOD_PIN10) |            \
                                      PIN_ODR_HIGH(GPIOD_PIN11) |            \
-                                     PIN_ODR_HIGH(GPIOD_LED4) |             \
-                                     PIN_ODR_HIGH(GPIOD_LED3) |             \
-                                     PIN_ODR_HIGH(GPIOD_LED5) |             \
-                                     PIN_ODR_HIGH(GPIOD_LED6))
+                                     PIN_ODR_LOW(GPIOD_LED4) |              \
+                                     PIN_ODR_LOW(GPIOD_LED3) |              \
+                                     PIN_ODR_LOW(GPIOD_LED5) |              \
+                                     PIN_ODR_LOW(GPIOD_LED6))
 #define VAL_GPIOD_AFRL              (PIN_AFIO_AF(GPIOD_PIN0, 0) |           \
                                      PIN_AFIO_AF(GPIOD_PIN1, 0) |           \
                                      PIN_AFIO_AF(GPIOD_PIN2, 0) |           \
diff --git a/boards/ST_STM32F4_DISCOVERY/stm32f4board.xml b/boards/ST_STM32F4_DISCOVERY/stm32f4board.xml
index 0c51785f0..38aa02f21 100644
--- a/boards/ST_STM32F4_DISCOVERY/stm32f4board.xml
+++ b/boards/ST_STM32F4_DISCOVERY/stm32f4board.xml
@@ -498,7 +498,7 @@
       <pin12
         ID="LED4"
         Type="PushPull"
-        Level="High"
+        Level="Low"
         Speed="Maximum"
         Resistor="Floating"
         Mode="Output"
@@ -506,7 +506,7 @@
       <pin13
         ID="LED3"
         Type="PushPull"
-        Level="High"
+        Level="Low"
         Speed="Maximum"
         Resistor="Floating"
         Mode="Output"
@@ -514,7 +514,7 @@
       <pin14
         ID="LED5"
         Type="PushPull"
-        Level="High"
+        Level="Low"
         Speed="Maximum"
         Resistor="Floating"
         Mode="Output"
@@ -522,7 +522,7 @@
       <pin15
         ID="LED6"
         Type="PushPull"
-        Level="High"
+        Level="Low"
         Speed="Maximum"
         Resistor="Floating"
         Mode="Output"