diff --git a/miosix/arch/cortexM7_stm32f7/stm32f756zg_nucleo/interfaces-impl/bsp.cpp b/miosix/arch/cortexM7_stm32f7/stm32f756zg_nucleo/interfaces-impl/bsp.cpp
index 4255b80daaaf96a636c756f851239917c22a2d73..b9560d6c224f73a391bdebec4fb1f685a286242c 100644
--- a/miosix/arch/cortexM7_stm32f7/stm32f756zg_nucleo/interfaces-impl/bsp.cpp
+++ b/miosix/arch/cortexM7_stm32f7/stm32f756zg_nucleo/interfaces-impl/bsp.cpp
@@ -61,7 +61,7 @@ void IRQbspInit() {
     RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN | RCC_AHB1ENR_GPIOBEN |
                     RCC_AHB1ENR_GPIOCEN | RCC_AHB1ENR_GPIODEN |
                     RCC_AHB1ENR_GPIOEEN | RCC_AHB1ENR_GPIOFEN |
-                    RCC_AHB1ENR_GPIOHEN;
+                    RCC_AHB1ENR_GPIOGEN | RCC_AHB1ENR_GPIOHEN;
     RCC_SYNC();
     GPIOA->OSPEEDR = 0xaaaaaaaa;  // Default to 50MHz speed for all GPIOS
     GPIOB->OSPEEDR = 0xaaaaaaaa;
@@ -69,6 +69,7 @@ void IRQbspInit() {
     GPIOD->OSPEEDR = 0xaaaaaaaa;
     GPIOE->OSPEEDR = 0xaaaaaaaa;
     GPIOF->OSPEEDR = 0xaaaaaaaa;
+    GPIOG->OSPEEDR = 0xaaaaaaaa;
     GPIOH->OSPEEDR = 0xaaaaaaaa;
 
     userLed1::mode(Mode::OUTPUT);
diff --git a/miosix/config/options.cmake b/miosix/config/options.cmake
index 6ed4c5049bdda6bda95cc035b8bdb940c307831f..a80c0760b27e333afb92fc698f58382ba70917bd 100644
--- a/miosix/config/options.cmake
+++ b/miosix/config/options.cmake
@@ -3127,7 +3127,7 @@ elseif(${ARCH} STREQUAL cortexM7_stm32f7)
         ## Select appropriate compiler flags for both ASM/C/C++/linker
         ## Not all stm32f7 have the double precision FPU. Those that only
         ## support single precision are built as cortex m4
-        set(ARCHOPTS -mcpu=cortex-m7 -mthumb -mfloat-abi=hard -mfpu=fpv5-d16)
+        set(ARCHOPTS -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16)
 
         ## Base directory with header files for this board
         set(BOARD_INC arch/cortexM7_stm32f7/stm32f756zg_nucleo)
@@ -3139,10 +3139,7 @@ elseif(${ARCH} STREQUAL cortexM7_stm32f7)
 
         ## Select architecture specific files
         ## These are the files in arch/<arch name>/<board name>
-        set(ARCH_SRC
-            ${KPATH}/arch/common/drivers/stm32_hardware_rng.cpp
-            ${KPATH}/${BOARD_INC}/interfaces-impl/bsp.cpp
-        )
+        set(ARCH_SRC ${KPATH}/${BOARD_INC}/interfaces-impl/bsp.cpp)
 
         ## Add a #define to allow querying board name
         list(APPEND CFLAGS_BASE -D_BOARD_STM32F756ZG_NUCLEO)