diff --git a/os/hal/ports/STM32/STM32F4xx/stm32_registry.h b/os/hal/ports/STM32/STM32F4xx/stm32_registry.h
index ecff41099..eb9ce86a5 100644
--- a/os/hal/ports/STM32/STM32F4xx/stm32_registry.h
+++ b/os/hal/ports/STM32/STM32F4xx/stm32_registry.h
@@ -800,8 +800,14 @@
 #define STM32_CAN_MAX_FILTERS               28
 
 /* DAC attributes.*/
-#define STM32_HAS_DAC1_CH1                  FALSE
-#define STM32_HAS_DAC1_CH2                  FALSE
+#define STM32_HAS_DAC1_CH1                  TRUE
+#define STM32_DAC1_CH1_DMA_MSK              (STM32_DMA_STREAM_ID_MSK(1, 5))
+#define STM32_DAC1_CH1_DMA_CHN              0x00700000
+
+#define STM32_HAS_DAC1_CH2                  TRUE
+#define STM32_DAC1_CH2_DMA_MSK              (STM32_DMA_STREAM_ID_MSK(1, 6))
+#define STM32_DAC1_CH2_DMA_CHN              0x07000000
+
 #define STM32_HAS_DAC2_CH1                  FALSE
 #define STM32_HAS_DAC2_CH2                  FALSE
 
diff --git a/readme.txt b/readme.txt
index 537554c93..11b549d9d 100644
--- a/readme.txt
+++ b/readme.txt
@@ -79,8 +79,6 @@
 *****************************************************************************
 
 *** Next ***
-- HAL: Fixed bug in interrupt handlers in STM32F4xx EXT driver (bug #738).
-- HAL: Fixed clock enabling in STM32 ADCv3 (bug #737).
 - VAR: Cortex-M VTOR initialization is now performed in startup files and
        no more in port initialization.
 - VAR: Changed GCC asm files extension from .s to .S because conventions.
@@ -113,6 +111,11 @@
 - RT:  Merged RT4.
 - NIL: Merged NIL2.
 - NIL: Added STM32F7 demo.
+- HAL: Fixed DAC driver not enabled for STM32F4x7 and STM32F4x9 devices
+       (bug #739)(backported to 3.0.6 and 16.1.5).
+- HAL: Fixed bug in interrupt handlers in STM32F4xx EXT driver (bug #738)
+       (backported to 16.1.5).
+- HAL: Fixed clock enabling in STM32 ADCv3 (bug #737).
 - HAL: Fixed missing SDC initialization in RT-STM32F103-OLIMEX_STM32_P103 demo
        (bug #735)(backported to 16.1.5).
 - HAL: Fixed STM32 dac bug when using only channel 2 in direct mode (bug #734)