diff --git a/boards/px4/fmu-v6x/nuttx-config/include/board_dma_map.h b/boards/px4/fmu-v6x/nuttx-config/include/board_dma_map.h
index 7685974474..1f45efc569 100644
--- a/boards/px4/fmu-v6x/nuttx-config/include/board_dma_map.h
+++ b/boards/px4/fmu-v6x/nuttx-config/include/board_dma_map.h
@@ -33,19 +33,55 @@
 
 #pragma once
 
-// DMAMUX1
-#define DMAMAP_SPI1_RX    DMAMAP_DMA12_SPI1RX_0 /* DMA1:37 */
-#define DMAMAP_SPI1_TX    DMAMAP_DMA12_SPI1TX_0 /* DMA1:38 */
+// DMAMUX1 Using at most 8 Channels on DMA1 --------   Assigned
+//                                                     V
 
-#define DMAMAP_SPI2_RX    DMAMAP_DMA12_SPI2RX_0 /* DMA1:39 */
-#define DMAMAP_SPI2_TX    DMAMAP_DMA12_SPI2TX_0 /* DMA1:40 */
+#define DMAMAP_SPI1_RX    DMAMAP_DMA12_SPI1RX_0     /* 1 DMA1:37 ICM-20649 */
+#define DMAMAP_SPI1_TX    DMAMAP_DMA12_SPI1TX_0     /* 2 DMA1:38 ICM-20649 */
 
-#define DMAMAP_USART6_RX   DMAMAP_DMA12_USART6RX_0 /* DMA1:71 */
-#define DMAMAP_USART6_TX   DMAMAP_DMA12_USART6TX_0 /* DMA1:72 */
+#define DMAMAP_SPI2_RX    DMAMAP_DMA12_SPI2RX_0     /* 3 DMA1:39 ICM-42688-P */
+#define DMAMAP_SPI2_TX    DMAMAP_DMA12_SPI2TX_0     /* 4 DMA1:40 ICM-42688-P */
 
-// DMAMUX2
-#define DMAMAP_SPI3_RX    DMAMAP_DMA12_SPI3RX_1 /* DMA2:61 */
-#define DMAMAP_SPI3_TX    DMAMAP_DMA12_SPI3TX_1 /* DMA2:62 */
+//#define DMAMAP_USART1_RX  DMAMAP_DMA12_USART1RX_0 /*  DMA1:41  GPS1 */
+//#define DMAMAP_USART1_TX  DMAMAP_DMA12_USART1TX_0 /*  DMA1:42  GPS1 */
 
-#define DMAMAP_SPI6_RX    DMAMAP_BDMA_SPI6_RX /* BDMA:11 */
-#define DMAMAP_SPI6_TX    DMAMAP_BDMA_SPI6_TX /* BDMA:12 */
+//#define DMAMAP_USART2_RX  DMAMAP_DMA12_USART2RX_0 /*  DMA1:43 Telem3 */
+//#define DMAMAP_USART2_TX  DMAMAP_DMA12_USART2TX_0 /*  DMA1:44 Telem3 */
+
+//#define DMAMAP_USART3_RX  DMAMAP_DMA12_USART3RX_0 /*  DMA1:45 DEBUG */
+//#define DMAMAP_USART3_TX  DMAMAP_DMA12_USART3TX_0 /*  DMA1:46 DEBUG */
+
+//#define DMAMAP_UART4_RX   DMAMAP_DMA12_UART4RX_0  /*  DMA1:63 EXT2 */
+//#define DMAMAP_UART4_TX   DMAMAP_DMA12_UART4TX_0  /*  DMA1:64 EXT2 */
+
+#define DMAMAP_USART6_RX  DMAMAP_DMA12_USART6RX_0   /* 5 DMA1:71 PX4IO */
+#define DMAMAP_USART6_TX  DMAMAP_DMA12_USART6TX_0   /* 6 DMA1:72 PX4IO */
+
+// Assigned in timer_config.cpp
+
+// Timer 4                                          /* 7 DMA1:32 TIM4UP */
+// Timer 5                                          /* 8 DMA1:50 TIM5UP */
+
+// DMAMUX2 Using at most 8 Channels on DMA2 --------   Assigned
+//                                                     V
+
+#define DMAMAP_SPI3_RX    DMAMAP_DMA12_SPI3RX_1     /* 1 DMA2:61 BMI088 */
+#define DMAMAP_SPI3_TX    DMAMAP_DMA12_SPI3TX_1     /* 2 DMA2:62 BMI088 */
+
+#define DMAMAP_USART3_RX  DMAMAP_DMA12_USART3RX_1   /* 3 DMA2:45 DEBUG */
+#define DMAMAP_USART3_TX  DMAMAP_DMA12_USART3TX_1   /* 4 DMA2:46 DEBUG */
+
+#define DMAMAP_UART5_RX   DMAMAP_DMA12_UART5RX_1    /* 5 DMA2:65 TELEM2 */
+#define DMAMAP_UART5_TX   DMAMAP_DMA12_UART5TX_1    /* 6 DMA2:66  TELEM2 */
+
+#define DMAMAP_UART7_RX   DMAMAP_DMA12_UART7RX_1    /* 7 DMA1:79  TELEM1 */
+#define DMAMAP_UART7_TX   DMAMAP_DMA12_UART7TX_1    /* 8 DMA1:80  TELEM1 */
+
+//#define DMAMAP_UART8_RX   DMAMAP_DMA12_UART8RX_1  /*  DMA1:81  GPS2 */
+//#define DMAMAP_UART8_TX   DMAMAP_DMA12_UART8TX_1  /*  DMA1:82  GPS2 */
+
+// DMAMUX2 Using at most 8 Channels on BDMA --------   Assigned
+//                                                     V
+
+#define DMAMAP_SPI6_RX    DMAMAP_BDMA_SPI6_RX       /* 1 BDMA:11 SPI J11 */
+#define DMAMAP_SPI6_TX    DMAMAP_BDMA_SPI6_TX       /* 2 BDMA:12 SPI J11 */