diff --git a/build/libraries/mi/ARM9/mi_init_mainMemory.c b/build/libraries/mi/ARM9/mi_init_mainMemory.c
index 8cbe30f0..7f46fd53 100644
--- a/build/libraries/mi/ARM9/mi_init_mainMemory.c
+++ b/build/libraries/mi/ARM9/mi_init_mainMemory.c
@@ -63,8 +63,8 @@ asm void  MIi_InitMainMemCR( void )
 {
         mov     r12, lr
 
-        mov     r0, #0x8000        // low period 0.97ms
-        bl      OS_SpinWait
+        mov     r0, #0x10000        // low period 0.97ms
+        bl      OS_SpinWaitCpuCycles
 
         ldr     r3, =REG_EXMEMCNT_ADDR
         mov     r1, #REG_MI_EXMEMCNT_CE2_MASK
@@ -74,8 +74,8 @@ asm void  MIi_InitMainMemCR( void )
 
         strh    r1, [r3]
 
-        mov     r0, #0x8000        // high period 0.97ms
-        bl      OS_SpinWait
+        mov     r0, #0x10000        // high period 0.97ms
+        bl      OS_SpinWaitCpuCycles
 
         ldr     r3,  =HW_WRAM_AREA - 2
 #ifdef SDK_BB
diff --git a/build/libraries/os/common/os_boot.c b/build/libraries/os/common/os_boot.c
index 7a092069..2aeca68c 100644
--- a/build/libraries/os/common/os_boot.c
+++ b/build/libraries/os/common/os_boot.c
@@ -54,7 +54,7 @@ void OSi_Boot( void* entry, MIHeader_WramRegs* w )
 #ifdef SDK_ARM9
     OSBootCore = (void*)HW_ITCM;
 #else // SDK_ARM7
-    OSBootCore = (void*)HW_EXT_WRAM;
+    OSBootCore = (void*)(HW_PRV_WRAM_SYS_STACK_DEFAULT - 0x200);
 #endif // SDK_ARM7
 
     MI_CpuCopyFast( OSi_BootCore, OSBootCore, 0x200 );
diff --git a/build/nandfirm/nandfirm-loader/ARM7/main.c b/build/nandfirm/nandfirm-loader/ARM7/main.c
index 33f462bb..167396a1 100644
--- a/build/nandfirm/nandfirm-loader/ARM7/main.c
+++ b/build/nandfirm/nandfirm-loader/ARM7/main.c
@@ -81,13 +81,17 @@ static void PreInit(void)
 
 void TwlSpMain( void )
 {
-#ifdef FIRM_ENABLE_JTAG
-    reg_SCFG_JTAG = REG_SCFG_JTAG_CPUJE_MASK | REG_SCFG_JTAG_ARM7SEL_MASK;
-#endif // FIRM_ENABLE_JTAG
+    // OS_InitDebugLED and OS_SetDebugLED are able to call after OS_Init
+#ifndef SDK_FINALROM
+    I2Ci_WriteRegister(I2C_SLAVE_DEBUG_LED, 0x03, 0x00);
+    I2Ci_WriteRegister(I2C_SLAVE_DEBUG_LED, 0x01, ++step);
+#endif
 
     PreInit();
 
 #ifndef SDK_FINALROM
+    I2Ci_WriteRegister(I2C_SLAVE_DEBUG_LED, 0x01, ++step);
+
     // 0: before PXI
     profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
 #endif
@@ -99,7 +103,6 @@ void TwlSpMain( void )
     profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
 #endif
 
-    OS_InitDebugLED();
     OS_SetDebugLED(++step);
 
     PM_InitFIRM();
@@ -199,7 +202,7 @@ void TwlSpMain( void )
                 {
 #ifndef SDK_FINALROM
                     // 127: before BootMenu
-                    pf_cnt = 127;
+                    pf_cnt = PRFILE_MAX-1;
                     profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
 #endif
                     OS_SetDebugLED(++step);
diff --git a/build/nandfirm/nandfirm-loader/ARM9/main.c b/build/nandfirm/nandfirm-loader/ARM9/main.c
index 430247a1..968d5ddd 100644
--- a/build/nandfirm/nandfirm-loader/ARM9/main.c
+++ b/build/nandfirm/nandfirm-loader/ARM9/main.c
@@ -34,6 +34,7 @@ static const u8 rsa_key[128] =
     0xa1, 0x96, 0xc6, 0xf7, 0x61, 0x68, 0x66, 0xe6, 0x65, 0x12, 0xb7, 0xf1, 0x49
 };
 #else
+    /* 鍵はどこへ？ */
 #define RSA_KEY_ADDR    OSi_GetFromBromAddr()->rsa_pubkey[7]
 #endif
 
@@ -74,7 +75,9 @@ static void PreInit(void)
     // メインメモリ関連
 
     // SHARED領域クリア (IS-TWL-DEBUGGERの更新待ち)
-    //MIi_CpuClearFast( 0, (void*)HW_MAIN_MEM_SHARED, HW_MAIN_MEM_SHARED_END-HW_MAIN_MEM_SHARED );
+#ifdef SDK_FINALROM
+    MIi_CpuClearFast( 0, (void*)HW_MAIN_MEM_SHARED, HW_MAIN_MEM_SHARED_END-HW_MAIN_MEM_SHARED );
+#endif
 }
 
 void TwlMain( void )
@@ -100,7 +103,7 @@ void TwlMain( void )
     {
 #ifndef SDK_FINALROM
         // 127: before BootMenu
-        pf_cnt = 127;
+        pf_cnt = PRFILE_MAX-1;
         profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
 #endif
 
diff --git a/include/firm/pm/ARM7/pm_reg_ex.h b/include/firm/pm/ARM7/pm_reg_ex.h
index 389c2618..432c1172 100644
--- a/include/firm/pm/ARM7/pm_reg_ex.h
+++ b/include/firm/pm/ARM7/pm_reg_ex.h
@@ -113,6 +113,8 @@ extern "C" {
 //---- PMIC_BT_CRCT
 #define PMIC_BT_CRCT_TEMP_ON    (1<< 0)
 #define PMIC_BT_CRCT_AMPR_ON    (1<< 1)
+#define PMIC_BT_CRCT_BT2_ON     (1<< 2)
+#define PMIC_BT_CRCT_BT3_ON     (1<< 3)
 #define PMIC_BT_CRCT_AK_SHIFT   4
 #define PMIC_BT_CRCT_AK_MASK    (0x3<< PMIC_BT_CRCT_AK_SHIFT)
 #define PMIC_BT_CRCT_TK_SHIFT   6
diff --git a/include/firm/specfiles/ARM7-TS-FIRM.lcf.template b/include/firm/specfiles/ARM7-TS-FIRM.lcf.template
index 6dbe2122..a15e4e05 100644
--- a/include/firm/specfiles/ARM7-TS-FIRM.lcf.template
+++ b/include/firm/specfiles/ARM7-TS-FIRM.lcf.template
@@ -139,6 +139,18 @@ SECTIONS
 				<FOREACH.STATIC.LIBRARIES=.data>
 				<STATIC.LIBRARY=.data:t>
 				<END.STATIC.LIBRARIES>
+				<FOREACH.STATIC.OBJECTS=.ltdwram>
+				<STATIC.OBJECT=.ltdwram:t>
+				<END.STATIC.OBJECTS>
+				<FOREACH.STATIC.LIBRARIES=.ltdwram>
+				<STATIC.LIBRARY=.ltdwram:t>
+				<END.STATIC.LIBRARIES>
+				<FOREACH.STATIC.OBJECTS=.ltdmain>
+				<STATIC.OBJECT=.ltdmain:t>
+				<END.STATIC.OBJECTS>
+				<FOREACH.STATIC.LIBRARIES=.ltdmain>
+				<STATIC.LIBRARY=.ltdmain:t>
+				<END.STATIC.LIBRARIES>
 				#:::::::::: data
 		SDK_STATIC_DATA_END		=.;
 		. = ALIGN(4);
@@ -180,6 +192,18 @@ SECTIONS
 				<FOREACH.STATIC.LIBRARIES=.bss>
 				<STATIC.LIBRARY=.bss:t>
 				<END.STATIC.LIBRARIES>
+				<FOREACH.STATIC.OBJECTS=.ltdwram>
+				<STATIC.OBJECT=.ltdwram.bss:t>
+				<END.STATIC.OBJECTS>
+				<FOREACH.STATIC.LIBRARIES=.ltdwram>
+				<STATIC.LIBRARY=.ltdwram.bss:t>
+				<END.STATIC.LIBRARIES>
+				<FOREACH.STATIC.OBJECTS=.ltdmain>
+				<STATIC.OBJECT=.ltdmain.bss:t>
+				<END.STATIC.OBJECTS>
+				<FOREACH.STATIC.LIBRARIES=.ltdmain>
+				<STATIC.LIBRARY=.ltdmain.bss:t>
+				<END.STATIC.LIBRARIES>
 				#:::::::::: bss
 		. = ALIGN(4);
 		SDK_STATIC_BSS_END		= .;
diff --git a/include/firm/specfiles/ARM7-TS-FIRM.lsf b/include/firm/specfiles/ARM7-TS-FIRM.lsf
index d4f5d88b..10fc59e7 100644
--- a/include/firm/specfiles/ARM7-TS-FIRM.lsf
+++ b/include/firm/specfiles/ARM7-TS-FIRM.lsf
@@ -23,6 +23,9 @@ Static $(TARGET_NAME)
 	Address		0x037f8000
 	Object		$(OBJS_STATIC)
 	Library		$(LLIBS) $(GLIBS) $(CW_LIBS)
+	Object		* (.etable)
 	Object		* (.wram)
-	StackSize	1024 512
+	Object		* (.ltdwram)
+	Object		* (.ltdmain)
+	StackSize	1024 1024
 }
diff --git a/include/firm/specfiles/ARM9-TS-FIRM.lcf.template b/include/firm/specfiles/ARM9-TS-FIRM.lcf.template
index 10efd461..2f19742a 100644
--- a/include/firm/specfiles/ARM9-TS-FIRM.lcf.template
+++ b/include/firm/specfiles/ARM9-TS-FIRM.lcf.template
@@ -470,6 +470,12 @@ SECTIONS
 		. = ALIGN(32);
 		SDK_OVERLAY.<OVERLAY.NAME>.DATA_START	=.;
 				#:::::::::: data
+				<FOREACH.OVERLAY.OBJECTS=.ltdmain>
+				<OVERLAY.OBJECT=.ltdmain:t>
+				<END.OVERLAY.OBJECTS>
+				<FOREACH.OVERLAY.LIBRARIES=.ltdmain>
+				<OVERLAY.LIBRARY=.ltdmain:t>
+				<END.OVERLAY.LIBRARIES>
 				<FOREACH.OVERLAY.OBJECTS=.sdata>
 				<OVERLAY.OBJECT=.sdata:t>
 				<END.OVERLAY.OBJECTS>
@@ -510,6 +516,12 @@ SECTIONS
 		#
 		SDK_OVERLAY.<OVERLAY.NAME>.BSS_START	= .;
 				#:::::::::: bss
+				<FOREACH.OVERLAY.OBJECTS=.ltdmain>
+				<OVERLAY.OBJECT=.ltdmain.bss:t>
+				<END.OVERLAY.OBJECTS>
+				<FOREACH.OVERLAY.LIBRARIES=.ltdmain>
+				<OVERLAY.LIBRARY=.ltdmain.bss:t>
+				<END.OVERLAY.LIBRARIES>
 				<FOREACH.OVERLAY.OBJECTS=.bss>
 				<OVERLAY.OBJECT=.bss:t>
 				<END.OVERLAY.OBJECTS>
diff --git a/include/firm/specfiles/ARM9-TS-FIRM.lsf b/include/firm/specfiles/ARM9-TS-FIRM.lsf
index 653e6b3d..913dadcd 100644
--- a/include/firm/specfiles/ARM9-TS-FIRM.lsf
+++ b/include/firm/specfiles/ARM9-TS-FIRM.lsf
@@ -23,28 +23,31 @@ Static $(TARGET_NAME)
 	Address		0x03800000
 	Object		$(OBJS_STATIC)
 	Library		$(LLIBS) $(GLIBS) $(CW_LIBS)
+	Object		*     		 (.itcm)
+	Object		$(OBJS_AUTOLOAD) (.text)
+	Object		$(OBJS_AUTOLOAD) (.rodata)
+	Object		* (.ltdmain)
+	Object		$(OBJS_LTDAUTOLOAD)
+	Library		$(GLTDLIBS)
+	Object		*     		 (.dtcm)
+	Object		$(OBJS_AUTOLOAD) (.data)
+	Object		$(OBJS_AUTOLOAD) (.sdata)
+	Object		$(OBJS_AUTOLOAD) (.bss)
+	Object		$(OBJS_AUTOLOAD) (.sbss)
 }
 
 Autoload ITCM
 {
 	Address		0x01ff8000
-	Object		*     		 (.itcm)
-	Object		$(OBJS_AUTOLOAD) (.text)
 }
 
 Autoload DTCM
 {
-	Address		0x027e0000
-	Object		*     		 (.dtcm)
-	Object		$(OBJS_AUTOLOAD) (.data)
-	Object		$(OBJS_AUTOLOAD) (.bss)
+	Address		$(ADDRESS_DTCM)
 }
 
 Ltdautoload LTDMAIN
 {
 	# NITRO/TWL 共有のオーバーレイが在る場合は、さらにその後ろに配置する必要があります。
 	After		$(TARGET_NAME)
-	Object		* (.ltdmain)
-	Object		$(OBJS_LTDAUTOLOAD)
-	Library		$(GLTDLIBS)
 }