diff --git a/bsp/stm32/stm32f746-st-disco/.config b/bsp/stm32/stm32f746-st-disco/.config
index b0cc2489cf..95a8f6ecec 100644
--- a/bsp/stm32/stm32f746-st-disco/.config
+++ b/bsp/stm32/stm32f746-st-disco/.config
@@ -202,6 +202,7 @@ CONFIG_RT_USING_PIN=y
#
# CONFIG_PKG_USING_PAHOMQTT is not set
# CONFIG_PKG_USING_WEBCLIENT is not set
+# CONFIG_PKG_USING_WEBNET is not set
# CONFIG_PKG_USING_MONGOOSE is not set
# CONFIG_PKG_USING_WEBTERMINAL is not set
# CONFIG_PKG_USING_CJSON is not set
@@ -209,7 +210,6 @@ CONFIG_RT_USING_PIN=y
# CONFIG_PKG_USING_LJSON is not set
# CONFIG_PKG_USING_EZXML is not set
# CONFIG_PKG_USING_NANOPB is not set
-# CONFIG_PKG_USING_GAGENT_CLOUD is not set
#
# Wi-Fi
@@ -224,10 +224,22 @@ CONFIG_RT_USING_PIN=y
# Wiced WiFi
#
# CONFIG_PKG_USING_WLAN_WICED is not set
+# CONFIG_PKG_USING_RW007 is not set
# CONFIG_PKG_USING_COAP is not set
# CONFIG_PKG_USING_NOPOLL is not set
# CONFIG_PKG_USING_NETUTILS is not set
+# CONFIG_PKG_USING_AT_DEVICE is not set
+# CONFIG_PKG_USING_WIZNET is not set
+
+#
+# IoT Cloud
+#
# CONFIG_PKG_USING_ONENET is not set
+# CONFIG_PKG_USING_GAGENT_CLOUD is not set
+# CONFIG_PKG_USING_ALI_IOTKIT is not set
+# CONFIG_PKG_USING_AZURE is not set
+# CONFIG_PKG_USING_TENCENT_IOTKIT is not set
+# CONFIG_PKG_USING_NIMBLE is not set
#
# security packages
@@ -239,6 +251,7 @@ CONFIG_RT_USING_PIN=y
#
# language packages
#
+# CONFIG_PKG_USING_LUA is not set
# CONFIG_PKG_USING_JERRYSCRIPT is not set
# CONFIG_PKG_USING_MICROPYTHON is not set
@@ -255,6 +268,10 @@ CONFIG_RT_USING_PIN=y
# CONFIG_PKG_USING_EASYFLASH is not set
# CONFIG_PKG_USING_EASYLOGGER is not set
# CONFIG_PKG_USING_SYSTEMVIEW is not set
+# CONFIG_PKG_USING_RDB is not set
+# CONFIG_PKG_USING_QRCODE is not set
+# CONFIG_PKG_USING_ULOG_EASYFLASH is not set
+# CONFIG_PKG_USING_ADBD is not set
#
# system packages
@@ -269,17 +286,30 @@ CONFIG_RT_USING_PIN=y
# CONFIG_PKG_USING_SQLITE is not set
# CONFIG_PKG_USING_RTI is not set
# CONFIG_PKG_USING_LITTLEVGL2RTT is not set
+# CONFIG_PKG_USING_CMSIS is not set
+# CONFIG_PKG_USING_DFS_YAFFS is not set
+# CONFIG_PKG_USING_LITTLEFS is not set
#
# peripheral libraries and drivers
#
-# CONFIG_PKG_USING_STM32F4_HAL is not set
-# CONFIG_PKG_USING_STM32F4_DRIVERS is not set
# CONFIG_PKG_USING_REALTEK_AMEBA is not set
+# CONFIG_PKG_USING_SHT2X is not set
+# CONFIG_PKG_USING_AHT10 is not set
+# CONFIG_PKG_USING_AP3216C is not set
+# CONFIG_PKG_USING_STM32_SDIO is not set
+# CONFIG_PKG_USING_ICM20608 is not set
+# CONFIG_PKG_USING_U8G2 is not set
+# CONFIG_PKG_USING_BUTTON is not set
+# CONFIG_PKG_USING_MPU6XXX is not set
+# CONFIG_PKG_USING_PCF8574 is not set
+# CONFIG_PKG_USING_KENDRYTE_SDK is not set
#
# miscellaneous packages
#
+# CONFIG_PKG_USING_LIBCSV is not set
+# CONFIG_PKG_USING_OPTPARSE is not set
# CONFIG_PKG_USING_FASTLZ is not set
# CONFIG_PKG_USING_MINILZO is not set
# CONFIG_PKG_USING_QUICKLZ is not set
@@ -287,16 +317,18 @@ CONFIG_RT_USING_PIN=y
# CONFIG_PKG_USING_CANFESTIVAL is not set
# CONFIG_PKG_USING_ZLIB is not set
# CONFIG_PKG_USING_DSTR is not set
+# CONFIG_PKG_USING_TINYFRAME is not set
+# CONFIG_PKG_USING_KENDRYTE_DEMO is not set
#
-# sample package
-#
-# CONFIG_PKG_USING_SAMPLES is not set
-
-#
-# example package: hello
+# samples: kernel and components samples
#
+# CONFIG_PKG_USING_KERNEL_SAMPLES is not set
+# CONFIG_PKG_USING_FILESYSTEM_SAMPLES is not set
+# CONFIG_PKG_USING_NETWORK_SAMPLES is not set
+# CONFIG_PKG_USING_PERIPHERAL_SAMPLES is not set
# CONFIG_PKG_USING_HELLO is not set
+# CONFIG_PKG_USING_VI is not set
CONFIG_SOC_FAMILY_STM32=y
CONFIG_SOC_SERIES_STM32F7=y
diff --git a/bsp/stm32/stm32f746-st-disco/board/ports/sdram_port.h b/bsp/stm32/stm32f746-st-disco/board/ports/sdram_port.h
index 7a3bcbf22b..4c49e0f217 100644
--- a/bsp/stm32/stm32f746-st-disco/board/ports/sdram_port.h
+++ b/bsp/stm32/stm32f746-st-disco/board/ports/sdram_port.h
@@ -19,30 +19,30 @@
/* data width: 8, 16, 32 */
#define SDRAM_DATA_WIDTH 16
/* column bit numbers: 8, 9, 10, 11 */
-#define SDRAM_COLUMN_BITS 9
+#define SDRAM_COLUMN_BITS 8
/* row bit numbers: 11, 12, 13 */
-#define SDRAM_ROW_BITS 13
+#define SDRAM_ROW_BITS 12
/* cas latency clock number: 1, 2, 3 */
#define SDRAM_CAS_LATENCY 3
/* read pipe delay: 0, 1, 2 */
-#define SDRAM_RPIPE_DELAY 1
+#define SDRAM_RPIPE_DELAY 0
/* clock divid: 2, 3 */
#define SDCLOCK_PERIOD 2
/* refresh rate counter */
-#define SDRAM_REFRESH_COUNT ((uint32_t)0x02AB)
-#define SDRAM_SIZE ((uint32_t)0x1000000)
+#define SDRAM_REFRESH_COUNT ((uint32_t)0x1000)
+#define SDRAM_SIZE ((uint32_t)0x800000)
/* Timing configuration for MT48LC4M32B2B5-6A */
/* TMRD: 2 Clock cycles */
#define LOADTOACTIVEDELAY 2
/* TXSR: 7x11.90ns */
-#define EXITSELFREFRESHDELAY 8
+#define EXITSELFREFRESHDELAY 7
/* TRAS: 4x11.90ns */
-#define SELFREFRESHTIME 6
+#define SELFREFRESHTIME 4
/* TRC: 7x11.90ns */
-#define ROWCYCLEDELAY 6
+#define ROWCYCLEDELAY 7
/* TWR: 2 Clock cycles */
-#define WRITERECOVERYTIME 2
+#define WRITERECOVERYTIME 3
/* TRP: 2x11.90ns */
#define RPDELAY 2
/* TRCD: 2x11.90ns */
diff --git a/bsp/stm32/stm32f746-st-disco/project.uvprojx b/bsp/stm32/stm32f746-st-disco/project.uvprojx
index 8325fc036c..1bd660ebaa 100644
--- a/bsp/stm32/stm32f746-st-disco/project.uvprojx
+++ b/bsp/stm32/stm32f746-st-disco/project.uvprojx
@@ -366,7 +366,7 @@
.\board\linker_scripts\link.sct
- --keep *.o(.rti_fn.*) --keep *.o(FSymTab)
+
diff --git a/bsp/stm32/stm32f746-st-disco/rtconfig.h b/bsp/stm32/stm32f746-st-disco/rtconfig.h
index d7084fdc3a..ba66000111 100644
--- a/bsp/stm32/stm32f746-st-disco/rtconfig.h
+++ b/bsp/stm32/stm32f746-st-disco/rtconfig.h
@@ -127,6 +127,9 @@
/* Wiced WiFi */
+/* IoT Cloud */
+
+
/* security packages */
@@ -148,10 +151,7 @@
/* miscellaneous packages */
-/* sample package */
-
-
-/* example package: hello */
+/* samples: kernel and components samples */
#define SOC_FAMILY_STM32
#define SOC_SERIES_STM32F7