diff --git a/libraries/AP_HAL_ChibiOS/hwdef/MFT-SEMA100/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/MFT-SEMA100/hwdef.dat
index 2e4026a629670b..c0f3825cb7f933 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/MFT-SEMA100/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/MFT-SEMA100/hwdef.dat
@@ -26,7 +26,7 @@ USB_STRING_PRODUCT "MFT-SEMA100"
 FLASH_RESERVE_START_KB 128
 
 # order of UARTs (and USB)
-SERIAL_ORDER OTG1 USART1 USART3 UART5 UART7 UART8
+SERIAL_ORDER OTG1 USART1 USART3 UART5 UART7 UART8 OTG2
 
 # now we define the pins that USB is connected on
 PA11 OTG_FS_DM OTG1
@@ -65,6 +65,11 @@ PE4  BMI088_G_CS CS
 
 # I2C buses
 
+
+#I2C1 is External
+PB8 I2C1_SCL I2C1
+PB7 I2C1_SDA I2C1
+
 # I2C2 Both for onboard mag & External
 PB10 I2C2_SCL I2C2
 PB11 I2C2_SDA I2C2
@@ -212,7 +217,7 @@ define HAL_STORAGE_SIZE 32768
 define HAL_OS_FATFS_IO 1
 
 DMA_PRIORITY ADC* SPI4* TIM*UP* 
-DMA_NOSHARE  SPI4* TIM*UP*
+DMA_NOSHARE  SPI1* SPI2* SPI4* TIM*UP*
 
 define DEFAULT_NTF_LED_TYPES 743
 define DEFAULT_SERIAL4_BAUD 38