diff --git a/build/libraries_sysmenu/boot/ARM7/src/boot.c b/build/libraries_sysmenu/boot/ARM7/src/boot.c
index 380a2e11..f84a4e96 100644
--- a/build/libraries_sysmenu/boot/ARM7/src/boot.c
+++ b/build/libraries_sysmenu/boot/ARM7/src/boot.c
@@ -53,14 +53,14 @@ static void	_ISDbgLib_OnLoadChildBinary( void );
 static asm void ClearMemory( void )
 {
 		mov			r11, lr
-#if 0
+#if 1
 		ldr			r0, = 0x02280000								// SYSMENU-ARM7 MMEMのクリア
 		ldr			r1, = 0x02380000
 		bl			CpuClear32Byte
 		
-//		ldr			r0, = 0x02800000								// SYSMENU-ARM9 MMEMのクリア
-//		ldr			r1, = 0x02e80000
-//		bl			CpuClear32Byte
+		ldr			r0, = 0x02800000								// SYSMENU-ARM9 MMEMのクリア
+		ldr			r1, = 0x02e7fc00
+		bl			CpuClear32Byte
 		
 		ldr			r0, = HW_WRAM_A_LTD								// ARM7-WRAMのクリア( LTDのマッピング )
 		ldr			r1, = BOOTCORE_ARM7_ADDR
diff --git a/build/libraries_sysmenu/sysmenu/ARM9/src/sysmenu_lib.c b/build/libraries_sysmenu/sysmenu/ARM9/src/sysmenu_lib.c
index d9f9896d..9453c61a 100644
--- a/build/libraries_sysmenu/sysmenu/ARM9/src/sysmenu_lib.c
+++ b/build/libraries_sysmenu/sysmenu/ARM9/src/sysmenu_lib.c
@@ -100,6 +100,8 @@ void SYSM_Init( void *(*pAlloc)(u32), void (*pFree)(void*) )
 	ncdp  = GetTSD();
 #endif /* __SYSM_DEBUG */
 	
+	OS_SetMainArenaHi( (void *)0x02e7fc00 );
+
 	TP_Init();
 	RTC_Init();
 	
diff --git a/build/systemMenu_RED/Launcher/ARM9/ARM9-TS.lsf b/build/systemMenu_RED/Launcher/ARM9/ARM9-TS.lsf
index 199d6f87..f136d8ee 100644
--- a/build/systemMenu_RED/Launcher/ARM9/ARM9-TS.lsf
+++ b/build/systemMenu_RED/Launcher/ARM9/ARM9-TS.lsf
@@ -44,6 +44,13 @@ Autoload DTCM
 	Object		$(OBJS_AUTOLOAD) (.sbss)
 }
 
+Autoload BOOT_CORE
+{
+	Address		$(ADDRESS_BOOTCORE)
+	
+	Library		libboot.TWL$(CODEGEN).a
+}
+
 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。
diff --git a/build/systemMenu_RED/Launcher/ARM9/Makefile b/build/systemMenu_RED/Launcher/ARM9/Makefile
index bfb4f372..17e305ae 100644
--- a/build/systemMenu_RED/Launcher/ARM9/Makefile
+++ b/build/systemMenu_RED/Launcher/ARM9/Makefile
@@ -43,8 +43,7 @@ LINCLUDES				=	$(SRCDIR)/$(LOGO_DIR)
 #LDEPENDS_NEF			=	
 
 LLIBRARIES				+=	libnam$(TWL_LIBSUFFIX).a \
-							libese$(TWL_LIBSUFFIX).a \
-							libboot$(TWL_LIBSUFFIX).a
+							libese$(TWL_LIBSUFFIX).a
 
 ADDRESS_DTCM			=	0x0e000000
 
@@ -55,6 +54,8 @@ MAKEROM_FLAGS	+= -F
 
 include $(TWLIPL_ROOT)/build/buildtools/commondefs
 
+MAKELCF_FLAGS	+=	-DADDRESS_BOOTCORE='0x02e7fc00'
+
 #----------------------------------------------------------------------------
 
 do-build : $(FONT_OBJS) $(TARGETS)