diff --git a/build/nandfirm/menu-launcher/ARM7/Makefile b/build/nandfirm/menu-launcher/ARM7/Makefile
index 39f65d54..a990d95a 100644
--- a/build/nandfirm/menu-launcher/ARM7/Makefile
+++ b/build/nandfirm/menu-launcher/ARM7/Makefile
@@ -37,7 +37,10 @@ CRT0_O		=	crt0_firm.o
 
 include	$(TWLIPL_ROOT)/build/buildtools/commondefs
 
-LLIBRARIES	+=	libaes_sp$(TWL_LIBSUFFIX).a
+LLIBRARIES	+=	$(if $(ISDBG_LIBS_TWL),$(ISDBG_LIBS_TWL),libstubsistd_sp$(TWL_LIBSUFFIX).a) \
+			$(if $(ISDBG_LIBS_NITRO),$(ISDBG_LIBS_NITRO),libstubsisd_sp$(TWL_LIBSUFFIX).a) \
+			libaes_sp$(TWL_LIBSUFFIX).a
+
 MAKELCF_FLAGS	+=	-DADDRESS_LTDWRAM='0x037c0000'
 
 #----------------------------------------------------------------------------
@@ -47,5 +50,4 @@ do-build:		$(TARGETS)
 
 include	$(TWLIPL_ROOT)/build/buildtools/modulerules
 
-
 #===== End of Makefile =====
diff --git a/build/nandfirm/menu-launcher/ARM7/main.c b/build/nandfirm/menu-launcher/ARM7/main.c
index 4062974b..ef2e3eda 100644
--- a/build/nandfirm/menu-launcher/ARM7/main.c
+++ b/build/nandfirm/menu-launcher/ARM7/main.c
@@ -65,7 +65,8 @@ static void PreInit(void)
     /*
         リセットパラメータ(1バイト)を共有領域(4バイト)にコピー
     */
-    *(u32*)HW_RESET_PARAMETER_BUF = (u32)MCUi_ReadRegister( MCU_REG_TEMP_ADDR );
+#define FIRM_AVAILABLE_BIT  0x80000000UL
+    *(u32*)HW_RESET_PARAMETER_BUF = (u32)MCUi_ReadRegister( MCU_REG_TEMP_ADDR ) | FIRM_AVAILABLE_BIT;
     /*
         バッテリー残量チェック
     */
@@ -83,7 +84,8 @@ static void PreInit(void)
 static void EraseAll(void)
 {
 #ifdef SDK_FINALROM
-    // TODO
+    MI_CpuClearFast( (void*)HW_TWL_ROM_HEADER_BUF, HW_TWL_ROM_HEADER_BUF_SIZE );
+    OS_BootFromFIRM();
 #endif
 }
 
@@ -116,8 +118,8 @@ static BOOL FsInit(void)
 
     SDNandContext = &OSi_GetFromFirmAddr()->SDNandContext;
 
-    FS_Init( FS_DMA_NO );
-    FS_CreateReadServerThread( THREAD_PRIO_FS );
+    //FS_Init( FS_DMA_NO ); // just CARD_Init
+    //FS_CreateReadServerThread( THREAD_PRIO_FS );  // just CARD_SetThreadPriority
 
     if ( !FATFS_Init( FATFS_DMA_NOT_USE, THREAD_PRIO_FATFS ) )
     {
@@ -168,6 +170,7 @@ void TwlSpMain( void )
 
     if ( !FsInit() )
     {
+        OS_TPrintf("Failed to call FsInit().\n");
         goto end;
     }
 
@@ -180,6 +183,7 @@ void TwlSpMain( void )
 
     if ( PXI_RecvID() != FIRM_PXI_ID_SET_PATH )
     {
+        OS_TPrintf("PXI_RecvID() was received invalid value (!=FIRM_PXI_ID_SET_PATH).\n");
         goto end;
     }
 
@@ -192,6 +196,7 @@ void TwlSpMain( void )
 
     if ( (fd = FS_OpenSrl()) < 0 )
     {
+        OS_TPrintf("Failed to call FS_OpenSrl().\n");
         goto end;
     }
 
@@ -204,6 +209,7 @@ void TwlSpMain( void )
 
     if ( !FS_LoadHeader( fd ) )
     {
+        OS_TPrintf("Failed to call FS_LoadHeader().\n");
         goto end;
     }
 
@@ -216,6 +222,7 @@ void TwlSpMain( void )
 
     if ( PXI_RecvID() != FIRM_PXI_ID_DONE_HEADER )
     {
+        OS_TPrintf("PXI_RecvID() was received invalid value (!=FIRM_PXI_ID_DONE_HEADER).\n");
         goto end;
     }
 
@@ -228,6 +235,7 @@ void TwlSpMain( void )
 
     if ( !FS_LoadStatic( fd ) )
     {
+        OS_TPrintf("Failed to call FS_LoadStatic().\n");
         goto end;
     }
 
@@ -240,6 +248,7 @@ void TwlSpMain( void )
 
     if ( PXI_RecvID() != FIRM_PXI_ID_DONE_STATIC )
     {
+        OS_TPrintf("PXI_RecvID() was received invalid value (!=FIRM_PXI_ID_DONE_STATIC).\n");
         goto end;
     }
 
@@ -258,7 +267,7 @@ void TwlSpMain( void )
         OS_TPrintf("\n[ARM7] End\n");
     }
 #endif
-    OS_SetDebugLED(++step); // 0x8c
+    OS_SetDebugLED( 0 );
     PM_BackLightOn( TRUE ); // last chance
 
     OS_BootFromFIRM();
diff --git a/build/nandfirm/menu-launcher/ARM9/Makefile b/build/nandfirm/menu-launcher/ARM9/Makefile
index 80865dc0..10376bb6 100644
--- a/build/nandfirm/menu-launcher/ARM9/Makefile
+++ b/build/nandfirm/menu-launcher/ARM9/Makefile
@@ -30,7 +30,6 @@ CRT0_O		=	crt0_firm.o
 
 MAKEROM_ARM7		=	../ARM7/bin/$(TWL_BUILDTYPE_ARM7)/menu_launcher7.tef
 MAKEROM_ARM7_BASE       =       $(basename $(MAKEROM_ARM7))
-MAKEROM_FLAGS		+=	-F
 
 #LCFILE_TEMPLATE =	$(FIRM_SPECDIR)/$(TWL_PROC)-$(TWL_PLATFORM)-PARTNER.lcf.template
 
diff --git a/build/nandfirm/menu-launcher/ARM9/main.c b/build/nandfirm/menu-launcher/ARM9/main.c
index 49e91524..7a27f8f6 100644
--- a/build/nandfirm/menu-launcher/ARM9/main.c
+++ b/build/nandfirm/menu-launcher/ARM9/main.c
@@ -68,7 +68,7 @@ static void PreInit(void)
 {
     static const OSMountInfo    firmSettings[] =
     {
-        { 'A', OS_MOUNT_DEVICE_NAND, OS_MOUNT_TGT_ROOT, 0, OS_MOUNT_RSC_WRAM, (OS_MOUNT_USR_R|OS_MOUNT_USR_W), 0, 0, "nand",    "/" },
+        { 'F', OS_MOUNT_DEVICE_NAND, OS_MOUNT_TGT_ROOT, 0, OS_MOUNT_RSC_WRAM, (OS_MOUNT_USR_R|OS_MOUNT_USR_W), 0, 0, "nand",    "/" },
         { 0 }
     };
     /*
@@ -135,7 +135,8 @@ static BOOL CheckHeader(void)
 static void EraseAll(void)
 {
 #ifdef SDK_FINALROM
-    // TODO
+    MI_CpuClearFast( (void*)HW_TWL_ROM_HEADER_BUF, HW_TWL_ROM_HEADER_BUF_SIZE );
+    OS_BootFromFIRM();
 #endif
 }
 
@@ -184,6 +185,7 @@ void TwlMain( void )
 
     if ( !FS_ResolveSrl( MENU_TITLE_ID ) )
     {
+        OS_TPrintf("Failed to call FS_ResolveSrl( 0x%llx ).\n", MENU_TITLE_ID);
         goto end;
     }
 
@@ -201,6 +203,7 @@ void TwlMain( void )
 
     if ( !FS_LoadHeader(&acPool, RSA_KEY_ADDR ) && CheckHeader() )
     {
+        OS_TPrintf("Failed to call FS_LoadHeader() and/or CheckHeader().\n");
         goto end;
     }
 
@@ -218,6 +221,7 @@ void TwlMain( void )
 
     if ( !FS_LoadStatic() )
     {
+        OS_TPrintf("Failed to call FS_LoadStatic().\n");
         goto end;
     }
 
diff --git a/build/nandfirm/menu-launcher/nandfirm.nandsf b/build/nandfirm/menu-launcher/nandfirm.nandsf
index 29cd4bf6..cdea8b16 100644
--- a/build/nandfirm/menu-launcher/nandfirm.nandsf
+++ b/build/nandfirm/menu-launcher/nandfirm.nandsf
@@ -21,4 +21,4 @@ ARM7_ELF :		$(MAKEFIRM_ARM7).tef
 
 ARM9_X2 :		TRUE   # TRUE or FALSE
 
-NCD_ROMOFS :	0x07fe00
+NCD_ROMOFS :	0x0f00
diff --git a/build/nandfirm/sdmc-launcher/ARM7/Makefile b/build/nandfirm/sdmc-launcher/ARM7/Makefile
index a0d97ed6..046fa05a 100644
--- a/build/nandfirm/sdmc-launcher/ARM7/Makefile
+++ b/build/nandfirm/sdmc-launcher/ARM7/Makefile
@@ -37,7 +37,10 @@ CRT0_O		=	crt0_firm.o
 
 include	$(TWLIPL_ROOT)/build/buildtools/commondefs
 
-LLIBRARIES	+=	libaes_sp$(TWL_LIBSUFFIX).a
+LLIBRARIES	+=	$(if $(ISDBG_LIBS_TWL),$(ISDBG_LIBS_TWL),libstubsistd_sp$(TWL_LIBSUFFIX).a) \
+			$(if $(ISDBG_LIBS_NITRO),$(ISDBG_LIBS_NITRO),libstubsisd_sp$(TWL_LIBSUFFIX).a) \
+			libaes_sp$(TWL_LIBSUFFIX).a
+
 MAKELCF_FLAGS	+=	-DADDRESS_LTDWRAM='0x037c0000'
 
 #----------------------------------------------------------------------------
@@ -47,9 +50,4 @@ do-build:		$(TARGETS)
 
 include	$(TWLIPL_ROOT)/build/buildtools/modulerules
 
-test:
-	@echo LLIBRARY_DIRS=$(LLIBRARY_DIRS)
-	@echo TWL_BUILDTYPE=$(TWL_BUILDTYPE)
-
-
 #===== End of Makefile =====
diff --git a/build/nandfirm/sdmc-launcher/ARM9/Makefile b/build/nandfirm/sdmc-launcher/ARM9/Makefile
index 8a291646..e5c6aa8a 100644
--- a/build/nandfirm/sdmc-launcher/ARM9/Makefile
+++ b/build/nandfirm/sdmc-launcher/ARM9/Makefile
@@ -30,7 +30,6 @@ CRT0_O		=	crt0_firm.o
 
 MAKEROM_ARM7		=	../ARM7/bin/$(TWL_BUILDTYPE_ARM7)/sdmc_launcher7.tef
 MAKEROM_ARM7_BASE       =       $(basename $(MAKEROM_ARM7))
-MAKEROM_FLAGS		+=	-F
 
 #LCFILE_TEMPLATE =	$(FIRM_SPECDIR)/$(TWL_PROC)-$(TWL_PLATFORM)-PARTNER.lcf.template
 
diff --git a/build/norfirm/norfirm-print/ARM7/Makefile b/build/norfirm/norfirm-print/ARM7/Makefile
index fd7a991a..d563a18a 100644
--- a/build/norfirm/norfirm-print/ARM7/Makefile
+++ b/build/norfirm/norfirm-print/ARM7/Makefile
@@ -34,6 +34,10 @@ SRCS		=	\
 #SRCDIR		=	# using default
 #LCFILE		=	# using default
 
+LLIBRARIES	+=	$(if $(ISDBG_LIBS_TWL),$(ISDBG_LIBS_TWL),libstubsistd_sp$(TWL_LIBSUFFIX).a) \
+			$(if $(ISDBG_LIBS_NITRO),$(ISDBG_LIBS_NITRO),libstubsisd_sp$(TWL_LIBSUFFIX).a) \
+
+MAKELCF_FLAGS	+=	-DADDRESS_LTDWRAM='0x037c0000'
 
 include	$(TWLIPL_ROOT)/build/buildtools/commondefs