diff --git a/boards/nucleo-f334r8/include/periph_conf.h b/boards/nucleo-f334r8/include/periph_conf.h
index 38b64d43d28440a930a4a3f608bc9ba5745ff134..2e32e8a57b82ea1fd054c9c1bcfa87d45f938ead 100644
--- a/boards/nucleo-f334r8/include/periph_conf.h
+++ b/boards/nucleo-f334r8/include/periph_conf.h
@@ -90,10 +90,32 @@ static const uart_conf_t uart_config[] = {
         .tx_af    = GPIO_AF7,
         .bus      = APB1,
         .irqn     = USART2_IRQn
+    },
+    {
+        .dev        = USART1,
+        .rcc_mask   = RCC_APB2ENR_USART1EN,
+        .rx_pin     = GPIO_PIN(PORT_A, 10),
+        .tx_pin     = GPIO_PIN(PORT_A,  9),
+        .rx_af      = GPIO_AF7,
+        .tx_af      = GPIO_AF7,
+        .bus        = APB2,
+        .irqn       = USART1_IRQn
+    },
+    {
+        .dev        = USART3,
+        .rcc_mask   = RCC_APB1ENR_USART3EN,
+        .rx_pin     = GPIO_PIN(PORT_B, 11),
+        .tx_pin     = GPIO_PIN(PORT_B, 10),
+        .rx_af      = GPIO_AF7,
+        .tx_af      = GPIO_AF7,
+        .bus        = APB1,
+        .irqn       = USART3_IRQn
     }
 };
 
 #define UART_0_ISR          (isr_usart2)
+#define UART_1_ISR          (isr_usart1)
+#define UART_2_ISR          (isr_usart3)
 
 #define UART_NUMOF          (sizeof(uart_config) / sizeof(uart_config[0]))
 /** @} */
diff --git a/boards/nucleo-f401re/include/periph_conf.h b/boards/nucleo-f401re/include/periph_conf.h
index 322a6c753f3ee4b26ef23fa94fe39fb662629f42..d697b2ecee33e6ddf0b1fda3856c466a3b4cd4ac 100644
--- a/boards/nucleo-f401re/include/periph_conf.h
+++ b/boards/nucleo-f401re/include/periph_conf.h
@@ -94,20 +94,6 @@ static const uart_conf_t uart_config[] = {
 #ifdef UART_USE_DMA
         .dma_stream = 6,
         .dma_chan   = 4
-#endif
-    },
-    {
-        .dev        = USART6,
-        .rcc_mask   = RCC_APB2ENR_USART6EN,
-        .rx_pin     = GPIO_PIN(PORT_A, 12),
-        .tx_pin     = GPIO_PIN(PORT_A, 11),
-        .rx_af      = GPIO_AF8,
-        .tx_af      = GPIO_AF8,
-        .bus        = APB2,
-        .irqn       = USART6_IRQn,
-#ifdef UART_USE_DMA
-        .dma_stream = 6,
-        .dma_chan   = 4
 #endif
     },
     {
@@ -122,15 +108,29 @@ static const uart_conf_t uart_config[] = {
 #ifdef UART_USE_DMA
         .dma_stream = 6,
         .dma_chan   = 4
+#endif
+    },
+    {
+        .dev        = USART6,
+        .rcc_mask   = RCC_APB2ENR_USART6EN,
+        .rx_pin     = GPIO_PIN(PORT_A, 12),
+        .tx_pin     = GPIO_PIN(PORT_A, 11),
+        .rx_af      = GPIO_AF8,
+        .tx_af      = GPIO_AF8,
+        .bus        = APB2,
+        .irqn       = USART6_IRQn,
+#ifdef UART_USE_DMA
+        .dma_stream = 6,
+        .dma_chan   = 4
 #endif
     }
 };
 
 #define UART_0_ISR          (isr_usart2)
 #define UART_0_DMA_ISR      (isr_dma1_stream6)
-#define UART_1_ISR          (isr_usart6)
+#define UART_1_ISR          (isr_usart1)
 #define UART_1_DMA_ISR      (isr_dma1_stream6)
-#define UART_2_ISR          (isr_usart1)
+#define UART_2_ISR          (isr_usart6)
 #define UART_2_DMA_ISR      (isr_dma1_stream6)
 
 #define UART_NUMOF          (sizeof(uart_config) / sizeof(uart_config[0]))
diff --git a/boards/nucleo-f410rb/include/periph_conf.h b/boards/nucleo-f410rb/include/periph_conf.h
index 605212d4c313dd14dae65756ed9dd133ba01e2ba..0f61d4393f6729c2df586bc157ef0605baa25da1 100644
--- a/boards/nucleo-f410rb/include/periph_conf.h
+++ b/boards/nucleo-f410rb/include/periph_conf.h
@@ -106,8 +106,22 @@ static const uart_conf_t uart_config[] = {
         .bus        = APB2,
         .irqn       = USART1_IRQn,
 #ifdef UART_USE_DMA
-        .dma_stream = 5,
+        .dma_stream = 7,
         .dma_chan   = 4
+#endif
+    },
+    {
+        .dev        = USART6,
+        .rcc_mask   = RCC_APB2ENR_USART6EN,
+        .rx_pin     = GPIO_PIN(PORT_A, 12),
+        .tx_pin     = GPIO_PIN(PORT_A, 11),
+        .rx_af      = GPIO_AF8,
+        .tx_af      = GPIO_AF8,
+        .bus        = APB2,
+        .irqn       = USART6_IRQn,
+#ifdef UART_USE_DMA
+        .dma_stream = 7,
+        .dma_chan   = 5
 #endif
     }
 };
@@ -116,7 +130,9 @@ static const uart_conf_t uart_config[] = {
 #define UART_0_ISR          (isr_usart2)
 #define UART_0_DMA_ISR      (isr_dma1_stream6)
 #define UART_1_ISR          (isr_usart1)
-#define UART_1_DMA_ISR      (isr_dma1_stream5)
+#define UART_1_DMA_ISR      (isr_dma2_stream7)
+#define UART_2_ISR          (isr_usart6)
+#define UART_2_DMA_ISR      (isr_dma2_stream7)
 
 /* deduct number of defined UART interfaces */
 #define UART_NUMOF          (sizeof(uart_config) / sizeof(uart_config[0]))
diff --git a/boards/nucleo-f446re/include/periph_conf.h b/boards/nucleo-f446re/include/periph_conf.h
index ca1f2b9e72d92132844074c4fdee6086d8e437e7..cc69f628e5a235203b4783d8b020137f9cb0e8c0 100644
--- a/boards/nucleo-f446re/include/periph_conf.h
+++ b/boards/nucleo-f446re/include/periph_conf.h
@@ -65,20 +65,6 @@ static const uart_conf_t uart_config[] = {
 #ifdef UART_USE_DMA
         .dma_stream = 6,
         .dma_chan   = 4
-#endif
-    },
-    {
-        .dev        = USART3,
-        .rcc_mask   = RCC_APB1ENR_USART3EN,
-        .rx_pin     = GPIO_PIN(PORT_C, 11),
-        .tx_pin     = GPIO_PIN(PORT_C, 10),
-        .rx_af      = GPIO_AF7,
-        .tx_af      = GPIO_AF7,
-        .bus        = APB1,
-        .irqn       = USART3_IRQn,
-#ifdef UART_USE_DMA
-        .dma_stream = 5,
-        .dma_chan   = 4
 #endif
     },
     {
@@ -93,16 +79,30 @@ static const uart_conf_t uart_config[] = {
 #ifdef UART_USE_DMA
         .dma_stream = 4,
         .dma_chan   = 4
+#endif
+    },
+    {
+        .dev        = USART3,
+        .rcc_mask   = RCC_APB1ENR_USART3EN,
+        .rx_pin     = GPIO_PIN(PORT_C, 11),
+        .tx_pin     = GPIO_PIN(PORT_C, 10),
+        .rx_af      = GPIO_AF7,
+        .tx_af      = GPIO_AF7,
+        .bus        = APB1,
+        .irqn       = USART3_IRQn,
+#ifdef UART_USE_DMA
+        .dma_stream = 5,
+        .dma_chan   = 4
 #endif
     },
 };
 
 #define UART_0_ISR          (isr_usart2)
 #define UART_0_DMA_ISR      (isr_dma1_stream6)
-#define UART_1_ISR          (isr_usart3)
-#define UART_1_DMA_ISR      (isr_dma1_stream5)
-#define UART_2_ISR          (isr_usart1)
-#define UART_2_DMA_ISR      (isr_dma1_stream4)
+#define UART_1_ISR          (isr_usart1)
+#define UART_1_DMA_ISR      (isr_dma1_stream4)
+#define UART_2_ISR          (isr_usart3)
+#define UART_2_DMA_ISR      (isr_dma1_stream5)
 
 #define UART_NUMOF          (sizeof(uart_config) / sizeof(uart_config[0]))
 /** @} */
diff --git a/boards/nucleo-l152re/include/periph_conf.h b/boards/nucleo-l152re/include/periph_conf.h
index 75dc563d91bfe12a0785fd8322b63a8ff3e442ca..307ac2d59a7582cf97b352a1989ba33ad7136058 100644
--- a/boards/nucleo-l152re/include/periph_conf.h
+++ b/boards/nucleo-l152re/include/periph_conf.h
@@ -103,16 +103,6 @@ static const uart_conf_t uart_config[] = {
         .bus      = APB1,
         .irqn     = USART2_IRQn
     },
-    {
-        .dev      = USART3,
-        .rcc_mask = RCC_APB1ENR_USART3EN,
-        .rx_pin   = GPIO_PIN(PORT_C, 11),
-        .tx_pin   = GPIO_PIN(PORT_C, 10),
-        .rx_af    = GPIO_AF7,
-        .tx_af    = GPIO_AF7,
-        .bus      = APB1,
-        .irqn     = USART3_IRQn
-    },
     {
         .dev      = USART1,
         .rcc_mask = RCC_APB2ENR_USART1EN,
@@ -123,11 +113,21 @@ static const uart_conf_t uart_config[] = {
         .bus      = APB2,
         .irqn     = USART1_IRQn
     },
+    {
+        .dev      = USART3,
+        .rcc_mask = RCC_APB1ENR_USART3EN,
+        .rx_pin   = GPIO_PIN(PORT_C, 11),
+        .tx_pin   = GPIO_PIN(PORT_C, 10),
+        .rx_af    = GPIO_AF7,
+        .tx_af    = GPIO_AF7,
+        .bus      = APB1,
+        .irqn     = USART3_IRQn
+    },
 };
 
 #define UART_0_ISR          (isr_usart2)
-#define UART_1_ISR          (isr_usart3)
-#define UART_2_ISR          (isr_usart1)
+#define UART_1_ISR          (isr_usart1)
+#define UART_2_ISR          (isr_usart3)
 
 #define UART_NUMOF          (sizeof(uart_config) / sizeof(uart_config[0]))
 /** @} */