diff --git a/demos/STM32/RT-STM32L4R5ZI-NUCLEO144/cfg/mcuconf.h b/demos/STM32/RT-STM32L4R5ZI-NUCLEO144/cfg/mcuconf.h
index 432f9f95b..291c4e2ad 100644
--- a/demos/STM32/RT-STM32L4R5ZI-NUCLEO144/cfg/mcuconf.h
+++ b/demos/STM32/RT-STM32L4R5ZI-NUCLEO144/cfg/mcuconf.h
@@ -91,8 +91,8 @@
  */
 #define STM32_SERIAL_USE_USART1             FALSE
 #define STM32_SERIAL_USE_USART2             FALSE
-#define STM32_SERIAL_USE_USART3             TRUE
-#define STM32_SERIAL_USE_LPUART1            FALSE
+#define STM32_SERIAL_USE_USART3             FALSE
+#define STM32_SERIAL_USE_LPUART1            TRUE
 #define STM32_SERIAL_USART1_PRIORITY        12
 #define STM32_SERIAL_USART2_PRIORITY        12
 #define STM32_SERIAL_USART3_PRIORITY        12
diff --git a/demos/STM32/RT-STM32L4R5ZI-NUCLEO144/debug/RT-STM32L4R5ZI-NUCLEO144 (OpenOCD, Flash and Run).launch b/demos/STM32/RT-STM32L4R5ZI-NUCLEO144/debug/RT-STM32L4R5ZI-NUCLEO144 (OpenOCD, Flash and Run).launch
index 2a6c6f6f5..c9b1eb6f5 100644
--- a/demos/STM32/RT-STM32L4R5ZI-NUCLEO144/debug/RT-STM32L4R5ZI-NUCLEO144 (OpenOCD, Flash and Run).launch	
+++ b/demos/STM32/RT-STM32L4R5ZI-NUCLEO144/debug/RT-STM32L4R5ZI-NUCLEO144 (OpenOCD, Flash and Run).launch	
@@ -6,17 +6,17 @@
 <booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.doReset" value="true"/>
 <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.imageFileName" value=""/>
 <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.imageOffset" value=""/>
-<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.initCommands" value="set remotetimeout 20&#13;&#10;monitor reset init&#13;&#10;monitor sleep 50&#13;&#10;"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.initCommands" value="set remotetimeout 20&#13;&#10;monitor reset init&#13;&#10;monitor sleep 50&#10;monitor flash probe 0&#10;monitor stm32l4x mass_erase 0&#10;monitor flash write_image /home/giovanni/Projects/ChibiStudio/chibios_trunk/demos/STM32/RT-STM32L4R5ZI-NUCLEO144/build/ch.elf&#10;&#13;&#10;"/>
 <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.ipAddress" value="localhost"/>
 <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.jtagDevice" value="Generic TCP/IP"/>
-<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.loadImage" value="true"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.loadImage" value="false"/>
 <booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.loadSymbols" value="true"/>
 <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.pcRegister" value=""/>
 <intAttribute key="org.eclipse.cdt.debug.gdbjtag.core.portNumber" value="3333"/>
 <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.runCommands" value=""/>
 <booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setPcRegister" value="false"/>
-<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setResume" value="true"/>
-<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setStopAt" value="true"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setResume" value="false"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setStopAt" value="false"/>
 <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.stopAt" value="main"/>
 <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsFileName" value=""/>
 <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsOffset" value=""/>
diff --git a/demos/STM32/RT-STM32L4R5ZI-NUCLEO144/main.c b/demos/STM32/RT-STM32L4R5ZI-NUCLEO144/main.c
index 33e022883..2e07a74be 100644
--- a/demos/STM32/RT-STM32L4R5ZI-NUCLEO144/main.c
+++ b/demos/STM32/RT-STM32L4R5ZI-NUCLEO144/main.c
@@ -62,7 +62,7 @@ int main(void) {
   /*
    * Activates the serial driver 3 using the driver default configuration.
    */
-  sdStart(&SD3, NULL);
+  sdStart(&LPSD1, NULL);
 
   /*
    * Creates the example thread.
@@ -75,8 +75,8 @@ int main(void) {
    */
   while (true) {
     if (palReadLine(LINE_BUTTON)) {
-      test_execute((BaseSequentialStream *)&SD3, &rt_test_suite);
-      test_execute((BaseSequentialStream *)&SD3, &oslib_test_suite);
+      test_execute((BaseSequentialStream *)&LPSD1, &rt_test_suite);
+      test_execute((BaseSequentialStream *)&LPSD1, &oslib_test_suite);
     }
     chThdSleepMilliseconds(500);
   }