diff --git a/firmware/config/boards/hellen/alphax-4chan/board.mk b/firmware/config/boards/hellen/alphax-4chan/board.mk
index bc30f99fa7..a7da5f8235 100644
--- a/firmware/config/boards/hellen/alphax-4chan/board.mk
+++ b/firmware/config/boards/hellen/alphax-4chan/board.mk
@@ -36,3 +36,4 @@ $(error Unsupported PROJECT_CPU [$(PROJECT_CPU)])
 endif
 
 DDEFS += -DHW_HELLEN_4CHAN=1
+ONBOARD_MEMS_TYPE=LIS2DH12
diff --git a/firmware/config/boards/hellen/alphax-8chan/board.mk b/firmware/config/boards/hellen/alphax-8chan/board.mk
index a23f31cf4c..9787f041b2 100644
--- a/firmware/config/boards/hellen/alphax-8chan/board.mk
+++ b/firmware/config/boards/hellen/alphax-8chan/board.mk
@@ -30,3 +30,5 @@ DDEFS += -DSTATIC_BOARD_ID=STATIC_BOARD_ID_ALPHAX_8CHAN
 
 SHORT_BOARD_NAME=alphax-8chan
 DDEFS += -DHW_HELLEN_8CHAN=1
+
+ONBOARD_MEMS_TYPE=LIS2DH12
diff --git a/firmware/config/boards/hellen/hellen-common.mk b/firmware/config/boards/hellen/hellen-common.mk
index d7d2545c2e..b7f3ca2428 100644
--- a/firmware/config/boards/hellen/hellen-common.mk
+++ b/firmware/config/boards/hellen/hellen-common.mk
@@ -16,3 +16,13 @@ DDEFS += -DHW_HELLEN=1
 ifeq ($(RAM_UNUSED_SIZE),)
     DDEFS += -DRAM_UNUSED_SIZE=100
 endif
+
+ifeq ($(ONBOARD_MEMS_TYPE),LIS2DH12)
+ # Same spi is used for SD and Accelerometer
+ DDEFS += -DMMC_USE_MUTUAL_EXCLUSION=TRUE
+
+ # This board has some Accelerometer onboard
+ DDEFS += -DEFI_ONBOARD_MEMS=TRUE
+ EFI_ONBOARD_MEMS_LIS2DH12 = yes
+ DDEFS += -DLSM303AGR_USE_SPI=TRUE -DLSM303AGR_USE_I2C=FALSE -DLSM303AGR_SHARED_SPI=TRUE
+endif
diff --git a/firmware/config/boards/hellen/hellen-honda-k/board_configuration.cpp b/firmware/config/boards/hellen/hellen-honda-k/board_configuration.cpp
index c95f0b2152..9d403c19d5 100644
--- a/firmware/config/boards/hellen/hellen-honda-k/board_configuration.cpp
+++ b/firmware/config/boards/hellen/hellen-honda-k/board_configuration.cpp
@@ -146,9 +146,7 @@ void setBoardDefaultConfiguration() {
     setTPS1Calibration(100, 650);
 	hellenWbo();
 
-	/* accel SPI is shared with SD card SPI */
-	engineConfiguration->accelerometerSpiDevice = SPI_DEVICE_1;
-	engineConfiguration->accelerometerCsPin = Gpio::H_SPI1_CS2;
+  setAccelerometerSpi();
 }
 
 static Gpio OUTPUTS[] = {
diff --git a/firmware/config/boards/hellen_meta.h b/firmware/config/boards/hellen_meta.h
index 89f62bdde8..8c4b770548 100644
--- a/firmware/config/boards/hellen_meta.h
+++ b/firmware/config/boards/hellen_meta.h
@@ -249,6 +249,12 @@ static void setHellenSdCardSpi3NoCS() {
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wunused-function"
 
+static void setAccelerometerSpi() {
+	/* accelerometer SPI is shared with SD card SPI on mm144 */
+	engineConfiguration->accelerometerSpiDevice = SPI_DEVICE_1;
+	engineConfiguration->accelerometerCsPin = Gpio::H_SPI1_CS2;
+}
+
 static void setHellenSdCardSpi1() {
     setHellenSdCardSpi1NoCS();
     engineConfiguration->sdCardCsPin = Gpio::H_SPI1_CS1;