diff --git a/os/hal/boards/ST_STM32H735IG_DISCOVERY/board.c b/os/hal/boards/ST_STM32H735IG_DISCOVERY/board.c
index 52cd45afa..2ffc01671 100644
--- a/os/hal/boards/ST_STM32H735IG_DISCOVERY/board.c
+++ b/os/hal/boards/ST_STM32H735IG_DISCOVERY/board.c
@@ -220,8 +220,8 @@ void __early_init(void) {
 bool sdc_lld_is_card_inserted(SDCDriver *sdcp) {
 
   (void)sdcp;
-  /* CHTODO: Fill the implementation.*/
-  return true;
+
+  return !palReadLine(LINE_SD_DETECT);
 }
 
 /**
diff --git a/os/hal/boards/ST_STM32H735IG_DISCOVERY/cfg/board.chcfg b/os/hal/boards/ST_STM32H735IG_DISCOVERY/cfg/board.chcfg
index 4f5942d9a..fccfaf839 100644
--- a/os/hal/boards/ST_STM32H735IG_DISCOVERY/cfg/board.chcfg
+++ b/os/hal/boards/ST_STM32H735IG_DISCOVERY/cfg/board.chcfg
@@ -10,7 +10,12 @@
   </configuration_settings>
   <board_name>STMicroelectronics STM32H735IG_DISCOVERY</board_name>
   <board_id>ST_STM32H735IG_DISCOVERY</board_id>
-  <board_functions></board_functions>
+  <board_functions>
+    <sdc_lld_is_card_inserted><![CDATA[
+  (void)sdcp;
+    
+  return !palReadLine(LINE_SD_DETECT);]]></sdc_lld_is_card_inserted>
+  </board_functions>
   <headers></headers>
   <ethernet_phy>
     <identifier>MII_LAN8742A_ID</identifier>