diff --git a/bsp/fm3/CMSIS/SConscript b/bsp/fm3/CMSIS/SConscript
new file mode 100644
index 0000000000..3153dc7284
--- /dev/null
+++ b/bsp/fm3/CMSIS/SConscript
@@ -0,0 +1,10 @@
+Import('RTT_ROOT')
+Import('rtconfig')
+from building import *
+
+src	= Glob('*.c')
+CPPPATH = [GetCurrentDir()]
+
+group = DefineGroup('CMSIS', src, depend = [''], CPPPATH = CPPPATH, LIBRARY = '')
+
+Return('group')
diff --git a/bsp/fm3/mb9bf500r/SConscript b/bsp/fm3/mb9bf500r/SConscript
new file mode 100644
index 0000000000..703232f1b6
--- /dev/null
+++ b/bsp/fm3/mb9bf500r/SConscript
@@ -0,0 +1,16 @@
+import rtconfig
+Import('RTT_ROOT')
+from building import *
+
+src_bsp = ['application.c', 'startup.c', 'board.c', 'led.c', 'cpuusage.c']
+src_drv = ['adc.c', 'lcd.c', 'key.c']
+
+if GetDepend('RT_USING_RTGUI'):
+	src_drv += ['info.c']
+
+src = src_bsp + src_drv
+CPPPATH = [GetCurrentDir()]
+CPPDEFINES = []
+group = DefineGroup('Startup', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES)
+
+Return('group')
diff --git a/bsp/fm3/mb9bf500r/SConstruct b/bsp/fm3/mb9bf500r/SConstruct
new file mode 100644
index 0000000000..fa71e875d4
--- /dev/null
+++ b/bsp/fm3/mb9bf500r/SConstruct
@@ -0,0 +1,38 @@
+import os
+import sys
+import rtconfig
+
+if os.getenv('RTT_ROOT'):
+    RTT_ROOT = os.getenv('RTT_ROOT')
+else:
+    RTT_ROOT = os.path.normpath(os.getcwd() + '/../../..')
+
+sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
+from building import *
+
+TARGET = 'rtthread.' + rtconfig.TARGET_EXT
+
+env = Environment(tools = ['mingw'],
+	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
+	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+	AR = rtconfig.AR, ARFLAGS = '-rc',
+	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
+env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
+
+if rtconfig.PLATFORM == 'iar':
+	env.Replace(CCCOM = ['$CC $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -o $TARGET $SOURCES'])
+	env.Replace(LINKCOM = ['$LINK $SOURCES $LINKFLAGS -o $TARGET --map project.map'])
+
+Export('RTT_ROOT')
+Export('rtconfig')
+
+# prepare building environment
+objs = PrepareBuilding(env, RTT_ROOT)
+
+objs = objs + SConscript('../CMSIS/SConscript', variant_dir='build/bsp/Libraries', duplicate=0)
+
+# build program 
+env.Program(TARGET, objs)
+
+# end building 
+EndBuilding(TARGET)
diff --git a/bsp/fm3/mb9bf500r/fm3_rom.ld b/bsp/fm3/mb9bf500r/fm3_rom.ld
new file mode 100644
index 0000000000..861f94a00a
--- /dev/null
+++ b/bsp/fm3/mb9bf500r/fm3_rom.ld
@@ -0,0 +1,122 @@
+/* Program Entry, set to mark it as "used" and avoid gc */
+MEMORY
+{
+    CODE (rx) : ORIGIN = 0x00000000, LENGTH = 0x00040000
+    DATA (rw) : ORIGIN = 0x1FFFC000, LENGTH = 0x0000C000
+}
+ENTRY(Reset_Handler)
+
+SECTIONS
+{
+    .text :
+    {
+        . = ALIGN(4);
+        KEEP(*(.isr_vector))            /* Startup code */
+        . = ALIGN(4);
+        *(.text)                        /* remaining code */
+        *(.text.*)                      /* remaining code */
+        *(.rodata)                      /* read-only data (constants) */
+        *(.rodata*)
+        *(.glue_7)
+        *(.glue_7t)
+        *(.gnu.linkonce.t*)
+
+        /* section information for finsh shell */
+        . = ALIGN(4);
+        __fsymtab_start = .;
+        KEEP(*(FSymTab))
+        __fsymtab_end = .;
+        . = ALIGN(4);
+        __vsymtab_start = .;
+        KEEP(*(VSymTab))
+        __vsymtab_end = .;
+        . = ALIGN(4);
+
+        . = ALIGN(4);
+        _etext = .;
+    } > CODE = 0
+
+    /* .ARM.exidx is sorted, so has to go in its own output section.  */
+    __exidx_start = .;
+    .ARM.exidx :
+    {
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+
+        /* This is used by the startup in order to initialize the .data secion */
+        _sidata = .;
+    } > CODE
+    __exidx_end = .;
+
+    /* .data section which is used for initialized data */
+
+    .data : AT (_sidata)
+    {
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .data secion */
+        _sdata = . ;
+
+        *(.data)
+        *(.data.*)
+        *(.gnu.linkonce.d*)
+
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .data secion */
+        _edata = . ;
+    } >DATA
+
+    __bss_start = .;
+    .bss :
+    {
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .bss secion */
+        _sbss = .;
+
+        *(.bss)
+        *(.bss.*)
+        *(COMMON)
+
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .bss secion */
+        _ebss = . ;
+        _estack = .;
+        
+        *(.bss.init)
+    } > DATA
+    __bss_end = .;
+
+    _end = .;
+
+    /* Stabs debugging sections.  */
+    .stab          0 : { *(.stab) }
+    .stabstr       0 : { *(.stabstr) }
+    .stab.excl     0 : { *(.stab.excl) }
+    .stab.exclstr  0 : { *(.stab.exclstr) }
+    .stab.index    0 : { *(.stab.index) }
+    .stab.indexstr 0 : { *(.stab.indexstr) }
+    .comment       0 : { *(.comment) }
+    /* DWARF debug sections.
+     * Symbols in the DWARF debugging sections are relative to the beginning
+     * of the section so we begin them at 0.  */
+    /* DWARF 1 */
+    .debug          0 : { *(.debug) }
+    .line           0 : { *(.line) }
+    /* GNU DWARF 1 extensions */
+    .debug_srcinfo  0 : { *(.debug_srcinfo) }
+    .debug_sfnames  0 : { *(.debug_sfnames) }
+    /* DWARF 1.1 and DWARF 2 */
+    .debug_aranges  0 : { *(.debug_aranges) }
+    .debug_pubnames 0 : { *(.debug_pubnames) }
+    /* DWARF 2 */
+    .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
+    .debug_abbrev   0 : { *(.debug_abbrev) }
+    .debug_line     0 : { *(.debug_line) }
+    .debug_frame    0 : { *(.debug_frame) }
+    .debug_str      0 : { *(.debug_str) }
+    .debug_loc      0 : { *(.debug_loc) }
+    .debug_macinfo  0 : { *(.debug_macinfo) }
+    /* SGI/MIPS DWARF 2 extensions */
+    .debug_weaknames 0 : { *(.debug_weaknames) }
+    .debug_funcnames 0 : { *(.debug_funcnames) }
+    .debug_typenames 0 : { *(.debug_typenames) }
+    .debug_varnames  0 : { *(.debug_varnames) }
+}
diff --git a/bsp/fm3/mb9bf500r/rtconfig.py b/bsp/fm3/mb9bf500r/rtconfig.py
new file mode 100644
index 0000000000..58ca087bda
--- /dev/null
+++ b/bsp/fm3/mb9bf500r/rtconfig.py
@@ -0,0 +1,117 @@
+# toolchains options
+ARCH='arm'
+CPU='fm3'
+CROSS_TOOL='gcc'
+
+# cross_tool provides the cross compiler
+# EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
+
+if  CROSS_TOOL == 'gcc':
+	PLATFORM 	= 'gcc'
+	EXEC_PATH 	= 'C:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
+elif CROSS_TOOL == 'keil':
+	PLATFORM 	= 'armcc'
+	EXEC_PATH 	= 'C:/Keil'
+elif CROSS_TOOL == 'iar':
+	PLATFORM 	= 'iar'
+	IAR_PATH 	= 'C:/Program Files/IAR Systems/Embedded Workbench 6.0'
+
+BUILD = 'debug'
+
+if PLATFORM == 'gcc':
+    # toolchains
+    PREFIX = 'arm-none-eabi-'
+    CC = PREFIX + 'gcc'
+    AS = PREFIX + 'gcc'
+    AR = PREFIX + 'ar'
+    LINK = PREFIX + 'gcc'
+    TARGET_EXT = 'axf'
+    SIZE = PREFIX + 'size'
+    OBJDUMP = PREFIX + 'objdump'
+    OBJCPY = PREFIX + 'objcopy'
+
+    DEVICE = ' -mcpu=cortex-m3 -mthumb -ffunction-sections -fdata-sections'
+    CFLAGS = DEVICE
+    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
+    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-fm3.map,-cref,-u,Reset_Handler -T fm3_rom.ld'
+
+    CPATH = ''
+    LPATH = ''
+
+    if BUILD == 'debug':
+        CFLAGS += ' -O0 -gdwarf-2'
+        AFLAGS += ' -gdwarf-2'
+    else:
+        CFLAGS += ' -O2'
+
+    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
+
+elif PLATFORM == 'armcc':
+    # toolchains
+    CC = 'armcc'
+    AS = 'armasm'
+    AR = 'armar'
+    LINK = 'armlink'
+    TARGET_EXT = 'axf'
+
+    DEVICE = ' --device DARMSTM'
+    CFLAGS = DEVICE + ' --apcs=interwork'
+    AFLAGS = DEVICE
+    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread-stm32.map --scatter stm32_rom.sct'
+
+    CFLAGS += ' -I' + EXEC_PATH + '/ARM/RV31/INC'
+    LFLAGS += ' --libpath ' + EXEC_PATH + '/ARM/RV31/LIB'
+
+    EXEC_PATH += '/arm/bin40/'
+
+    if BUILD == 'debug':
+        CFLAGS += ' -g -O0'
+        AFLAGS += ' -g'
+    else:
+        CFLAGS += ' -O2'
+
+    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
+
+elif PLATFORM == 'iar':
+    # toolchains
+    CC = 'iccarm'
+    AS = 'iasmarm'
+    AR = 'iarchive'
+    LINK = 'ilinkarm'
+    TARGET_EXT = 'out'
+
+    DEVICE = ' --cpu DARMSTM --thumb'
+
+    CFLAGS = ''
+    CFLAGS += ' --diag_suppress Pa050'
+    CFLAGS += ' --no_cse' 
+    CFLAGS += ' --no_unroll' 
+    CFLAGS += ' --no_inline' 
+    CFLAGS += ' --no_code_motion' 
+    CFLAGS += ' --no_tbaa' 
+    CFLAGS += ' --no_clustering' 
+    CFLAGS += ' --no_scheduling' 
+    CFLAGS += ' --debug' 
+    CFLAGS += ' --endian=little' 
+    CFLAGS += ' --cpu=Cortex-M3' 
+    CFLAGS += ' -e' 
+    CFLAGS += ' --fpu=None'
+    CFLAGS += ' --dlib_config "' + IAR_PATH + '/arm/INC/DLib_Config_Normal.h"'    
+    CFLAGS += ' -Ol'    
+    CFLAGS += ' -I"' + IAR_PATH + '/arm/inc"'
+        
+    AFLAGS = ''
+    AFLAGS += ' -s+' 
+    AFLAGS += ' -w+' 
+    AFLAGS += ' -r' 
+    AFLAGS += ' --cpu Cortex-M3' 
+    AFLAGS += ' --fpu None' 
+    AFLAGS += ' -I"' + IAR_PATH + '/arm/INC"'
+
+    LFLAGS = ' --config stm32f10x_flash.icf'
+    LFLAGS += ' --redirect _Printf=_PrintfTiny' 
+    LFLAGS += ' --redirect _Scanf=_ScanfSmall' 
+    LFLAGS += ' --entry __iar_program_start'    
+
+    EXEC_PATH = IAR_PATH + '/arm/bin/'
+    POST_ACTION = ''
diff --git a/bsp/fm3/mb9bf506r/SConscript b/bsp/fm3/mb9bf506r/SConscript
new file mode 100644
index 0000000000..2ca7f0721d
--- /dev/null
+++ b/bsp/fm3/mb9bf506r/SConscript
@@ -0,0 +1,16 @@
+import rtconfig
+Import('RTT_ROOT')
+from building import *
+
+src_bsp = ['application.c', 'startup.c', 'board.c', 'led.c', 'console.c']
+src_drv = ['serial.c', 'nand.c']
+
+if GetDepend('RT_USING_RTGUI'):
+	src_drv += ['info.c']
+
+src = src_bsp + src_drv
+CPPPATH = [GetCurrentDir()]
+CPPDEFINES = []
+group = DefineGroup('Startup', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES)
+
+Return('group')
diff --git a/bsp/fm3/mb9bf506r/SConstruct b/bsp/fm3/mb9bf506r/SConstruct
new file mode 100644
index 0000000000..fa71e875d4
--- /dev/null
+++ b/bsp/fm3/mb9bf506r/SConstruct
@@ -0,0 +1,38 @@
+import os
+import sys
+import rtconfig
+
+if os.getenv('RTT_ROOT'):
+    RTT_ROOT = os.getenv('RTT_ROOT')
+else:
+    RTT_ROOT = os.path.normpath(os.getcwd() + '/../../..')
+
+sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
+from building import *
+
+TARGET = 'rtthread.' + rtconfig.TARGET_EXT
+
+env = Environment(tools = ['mingw'],
+	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
+	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+	AR = rtconfig.AR, ARFLAGS = '-rc',
+	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
+env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
+
+if rtconfig.PLATFORM == 'iar':
+	env.Replace(CCCOM = ['$CC $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -o $TARGET $SOURCES'])
+	env.Replace(LINKCOM = ['$LINK $SOURCES $LINKFLAGS -o $TARGET --map project.map'])
+
+Export('RTT_ROOT')
+Export('rtconfig')
+
+# prepare building environment
+objs = PrepareBuilding(env, RTT_ROOT)
+
+objs = objs + SConscript('../CMSIS/SConscript', variant_dir='build/bsp/Libraries', duplicate=0)
+
+# build program 
+env.Program(TARGET, objs)
+
+# end building 
+EndBuilding(TARGET)
diff --git a/bsp/fm3/mb9bf506r/fm3_rom.ld b/bsp/fm3/mb9bf506r/fm3_rom.ld
new file mode 100644
index 0000000000..dc9f4c02b6
--- /dev/null
+++ b/bsp/fm3/mb9bf506r/fm3_rom.ld
@@ -0,0 +1,122 @@
+/* Program Entry, set to mark it as "used" and avoid gc */
+MEMORY
+{
+    CODE (rx) : ORIGIN = 0x00000000, LENGTH = 0x00080000
+    DATA (rw) : ORIGIN = 0x1FFFC000, LENGTH = 0x00010000
+}
+ENTRY(Reset_Handler)
+
+SECTIONS
+{
+    .text :
+    {
+        . = ALIGN(4);
+        KEEP(*(.isr_vector))            /* Startup code */
+        . = ALIGN(4);
+        *(.text)                        /* remaining code */
+        *(.text.*)                      /* remaining code */
+        *(.rodata)                      /* read-only data (constants) */
+        *(.rodata*)
+        *(.glue_7)
+        *(.glue_7t)
+        *(.gnu.linkonce.t*)
+
+        /* section information for finsh shell */
+        . = ALIGN(4);
+        __fsymtab_start = .;
+        KEEP(*(FSymTab))
+        __fsymtab_end = .;
+        . = ALIGN(4);
+        __vsymtab_start = .;
+        KEEP(*(VSymTab))
+        __vsymtab_end = .;
+        . = ALIGN(4);
+
+        . = ALIGN(4);
+        _etext = .;
+    } > CODE = 0
+
+    /* .ARM.exidx is sorted, so has to go in its own output section.  */
+    __exidx_start = .;
+    .ARM.exidx :
+    {
+        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+
+        /* This is used by the startup in order to initialize the .data secion */
+        _sidata = .;
+    } > CODE
+    __exidx_end = .;
+
+    /* .data section which is used for initialized data */
+
+    .data : AT (_sidata)
+    {
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .data secion */
+        _sdata = . ;
+
+        *(.data)
+        *(.data.*)
+        *(.gnu.linkonce.d*)
+
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .data secion */
+        _edata = . ;
+    } >DATA
+
+    __bss_start = .;
+    .bss :
+    {
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .bss secion */
+        _sbss = .;
+
+        *(.bss)
+        *(.bss.*)
+        *(COMMON)
+
+        . = ALIGN(4);
+        /* This is used by the startup in order to initialize the .bss secion */
+        _ebss = . ;
+        _estack = .;
+        
+        *(.bss.init)
+    } > DATA
+    __bss_end = .;
+
+    _end = .;
+
+    /* Stabs debugging sections.  */
+    .stab          0 : { *(.stab) }
+    .stabstr       0 : { *(.stabstr) }
+    .stab.excl     0 : { *(.stab.excl) }
+    .stab.exclstr  0 : { *(.stab.exclstr) }
+    .stab.index    0 : { *(.stab.index) }
+    .stab.indexstr 0 : { *(.stab.indexstr) }
+    .comment       0 : { *(.comment) }
+    /* DWARF debug sections.
+     * Symbols in the DWARF debugging sections are relative to the beginning
+     * of the section so we begin them at 0.  */
+    /* DWARF 1 */
+    .debug          0 : { *(.debug) }
+    .line           0 : { *(.line) }
+    /* GNU DWARF 1 extensions */
+    .debug_srcinfo  0 : { *(.debug_srcinfo) }
+    .debug_sfnames  0 : { *(.debug_sfnames) }
+    /* DWARF 1.1 and DWARF 2 */
+    .debug_aranges  0 : { *(.debug_aranges) }
+    .debug_pubnames 0 : { *(.debug_pubnames) }
+    /* DWARF 2 */
+    .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
+    .debug_abbrev   0 : { *(.debug_abbrev) }
+    .debug_line     0 : { *(.debug_line) }
+    .debug_frame    0 : { *(.debug_frame) }
+    .debug_str      0 : { *(.debug_str) }
+    .debug_loc      0 : { *(.debug_loc) }
+    .debug_macinfo  0 : { *(.debug_macinfo) }
+    /* SGI/MIPS DWARF 2 extensions */
+    .debug_weaknames 0 : { *(.debug_weaknames) }
+    .debug_funcnames 0 : { *(.debug_funcnames) }
+    .debug_typenames 0 : { *(.debug_typenames) }
+    .debug_varnames  0 : { *(.debug_varnames) }
+}
diff --git a/bsp/fm3/mb9bf506r/rtconfig.py b/bsp/fm3/mb9bf506r/rtconfig.py
new file mode 100644
index 0000000000..40e89fb299
--- /dev/null
+++ b/bsp/fm3/mb9bf506r/rtconfig.py
@@ -0,0 +1,116 @@
+# toolchains options
+ARCH='arm'
+CPU='fm3'
+CROSS_TOOL='gcc'
+
+# cross_tool provides the cross compiler
+# EXEC_PATH is the compiler execute path, for example, CodeSourcery, Keil MDK, IAR
+
+if  CROSS_TOOL == 'gcc':
+	PLATFORM 	= 'gcc'
+	EXEC_PATH 	= 'C:/Program Files/CodeSourcery/Sourcery G++ Lite/bin'
+elif CROSS_TOOL == 'keil':
+	PLATFORM 	= 'armcc'
+	EXEC_PATH 	= 'C:/Keil'
+elif CROSS_TOOL == 'iar':
+	PLATFORM 	= 'iar'
+	IAR_PATH 	= 'C:/Program Files/IAR Systems/Embedded Workbench 6.0'
+
+BUILD = 'debug'
+
+if PLATFORM == 'gcc':
+    # toolchains
+    PREFIX = 'arm-none-eabi-'
+    CC = PREFIX + 'gcc'
+    AS = PREFIX + 'gcc'
+    AR = PREFIX + 'ar'
+    LINK = PREFIX + 'gcc'
+    TARGET_EXT = 'axf'
+    SIZE = PREFIX + 'size'
+    OBJDUMP = PREFIX + 'objdump'
+    OBJCPY = PREFIX + 'objcopy'
+
+    DEVICE = ' -mcpu=cortex-m3 -mthumb -ffunction-sections -fdata-sections'
+    CFLAGS = DEVICE
+    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
+    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-fm3.map,-cref,-u,Reset_Handler -T fm3_rom.ld'
+
+    CPATH = ''
+    LPATH = ''
+
+    if BUILD == 'debug':
+        CFLAGS += ' -O0 -gdwarf-2'
+        AFLAGS += ' -gdwarf-2'
+    else:
+        CFLAGS += ' -O2'
+
+    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'
+elif PLATFORM == 'armcc':
+    # toolchains
+    CC = 'armcc'
+    AS = 'armasm'
+    AR = 'armar'
+    LINK = 'armlink'
+    TARGET_EXT = 'axf'
+
+    DEVICE = ' --device DARMSTM'
+    CFLAGS = DEVICE + ' --apcs=interwork'
+    AFLAGS = DEVICE
+    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers --list rtthread-stm32.map --scatter stm32_rom.sct'
+
+    CFLAGS += ' -I' + EXEC_PATH + '/ARM/RV31/INC'
+    LFLAGS += ' --libpath ' + EXEC_PATH + '/ARM/RV31/LIB'
+
+    EXEC_PATH += '/arm/bin40/'
+
+    if BUILD == 'debug':
+        CFLAGS += ' -g -O0'
+        AFLAGS += ' -g'
+    else:
+        CFLAGS += ' -O2'
+
+    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
+
+elif PLATFORM == 'iar':
+    # toolchains
+    CC = 'iccarm'
+    AS = 'iasmarm'
+    AR = 'iarchive'
+    LINK = 'ilinkarm'
+    TARGET_EXT = 'out'
+
+    DEVICE = ' --cpu DARMSTM --thumb'
+
+    CFLAGS = ''
+    CFLAGS += ' --diag_suppress Pa050'
+    CFLAGS += ' --no_cse' 
+    CFLAGS += ' --no_unroll' 
+    CFLAGS += ' --no_inline' 
+    CFLAGS += ' --no_code_motion' 
+    CFLAGS += ' --no_tbaa' 
+    CFLAGS += ' --no_clustering' 
+    CFLAGS += ' --no_scheduling' 
+    CFLAGS += ' --debug' 
+    CFLAGS += ' --endian=little' 
+    CFLAGS += ' --cpu=Cortex-M3' 
+    CFLAGS += ' -e' 
+    CFLAGS += ' --fpu=None'
+    CFLAGS += ' --dlib_config "' + IAR_PATH + '/arm/INC/DLib_Config_Normal.h"'    
+    CFLAGS += ' -Ol'    
+    CFLAGS += ' -I"' + IAR_PATH + '/arm/inc"'
+        
+    AFLAGS = ''
+    AFLAGS += ' -s+' 
+    AFLAGS += ' -w+' 
+    AFLAGS += ' -r' 
+    AFLAGS += ' --cpu Cortex-M3' 
+    AFLAGS += ' --fpu None' 
+    AFLAGS += ' -I"' + IAR_PATH + '/arm/INC"'
+
+    LFLAGS = ' --config stm32f10x_flash.icf'
+    LFLAGS += ' --redirect _Printf=_PrintfTiny' 
+    LFLAGS += ' --redirect _Scanf=_ScanfSmall' 
+    LFLAGS += ' --entry __iar_program_start'    
+
+    EXEC_PATH = IAR_PATH + '/arm/bin/'
+    POST_ACTION = ''
diff --git a/libcpu/arm/fm3/start_gcc.S b/libcpu/arm/fm3/start_gcc.S
index 367f728af6..59993aea2a 100644
--- a/libcpu/arm/fm3/start_gcc.S
+++ b/libcpu/arm/fm3/start_gcc.S
@@ -141,11 +141,7 @@ g_pfnVectors:
   .word  MFS0TX_IRQHandler
   .word  MFS1RX_IRQHandler
   .word  MFS1TX_IRQHandler
-#ifdef RT_USING_UART2        
-  .word  MFS2RX_IRQHandler         ; MultiFunction Serial ch.2
-#else
-  .word  NULL_IRQHandler
-#endif  
+  .word  MFS2RX_IRQHandler
   .word  MFS2TX_IRQHandler
   .word  MFS3RX_IRQHandler
   .word  MFS3TX_IRQHandler
@@ -242,8 +238,8 @@ g_pfnVectors:
   .weak  MFS1TX_IRQHandler
   .thumb_set MFS1TX_IRQHandler,Default_Handler
 
-  .weak  NULL_IRQHandler
-  .thumb_set NULL_IRQHandler,Default_Handler
+  .weak  MFS2RX_IRQHandler
+  .thumb_set MFS2RX_IRQHandler,Default_Handler
 
   .weak  MFS2TX_IRQHandler
   .thumb_set MFS2TX_IRQHandler,Default_Handler