diff --git a/platform/pc-6001/ctk/ctk_arch-def.h b/platform/pc-6001/ctk/ctk_arch-def.h
index 7c70cd96f..e3b70eadb 100644
--- a/platform/pc-6001/ctk/ctk_arch-def.h
+++ b/platform/pc-6001/ctk/ctk_arch-def.h
@@ -27,7 +27,7 @@
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- * $Id: ctk_arch-def.h,v 1.3 2007/09/29 04:10:00 matsutsuka Exp $
+ * $Id: ctk_arch-def.h,v 1.4 2007/11/28 09:38:21 matsutsuka Exp $
  *
  */
 
@@ -111,31 +111,48 @@
 
 /* Contiki toolkit options */
 
+#if defined(CTK_CLIENT) || defined(CTK_SERVER)
+/* If network is available, turn all options off by the memory reason */
+#define CTK_CONF_ICONS			0
+#define CTK_CONF_ICON_TEXTMAPS		0
+#define CTK_CONF_WINDOWCLOSE		0
+#define CTK_CONF_WINDOWMOVE		0
+#define CTK_CONF_MENUS			0
+#define CTK_CONF_HYPERLINK		0
+#elif defined(CTK_NOICON)
+/* In the case of loader arch, we omit the icons by the memory reason */
+#define CTK_CONF_ICONS			0
+#define CTK_CONF_ICON_TEXTMAPS		0
+#define CTK_CONF_WINDOWCLOSE		1
+#define CTK_CONF_WINDOWMOVE		1
+#define CTK_CONF_MENUS			1
+#define CTK_CONF_HYPERLINK		1
+#else /* CTK_MINIMUM */
 /* Toggles support for desktop icons. */
 #define CTK_CONF_ICONS			1
 /* Define if text icon is used. */
 #define CTK_CONF_ICON_TEXTMAPS		1
-/* Define if bitmap icon is used. */
-#define CTK_CONF_ICON_BITMAPS		0
 /* Toggles support for closable windows. */
 #define CTK_CONF_WINDOWCLOSE		1
 /* Toggles support for movable windows. */
 #define CTK_CONF_WINDOWMOVE		1
 /* Toggles support for menus. */
 #define CTK_CONF_MENUS			1
+/* Defines if hyperlink is supported. */
+#define CTK_CONF_HYPERLINK		1
+#endif /* CTK_MINIMUM */
+
+/* Define if bitmap icon is used. */
+#define CTK_CONF_ICON_BITMAPS		0
 /* Defines the default width of a menu. */
 #define CTK_CONF_MENUWIDTH		16
 /* Defines if screen saver is supported. */
 #define CTK_CONF_SCREENSAVER		0
 /* Defines if mouse is supported. */
 #define CTK_CONF_MOUSE_SUPPORT		0
-/* Defines if hyperlink is supported. */
-#define CTK_CONF_HYPERLINK		1
 
 /* The maximum number of menu items in each menu. */
 #define CTK_CONF_MAXMENUITEMS		4
-//#define CTK_CONF_MAX_REDRAWWIDGETS	2
-//#define CTK_CONF_MAX_REDRAWWINDOWS	2
 
 /* Key used to switch the frontmost window.  */
 #define CTK_CONF_WINDOWSWITCH_KEY	CH_F3
diff --git a/platform/pc-6001/ctk/libconio_arch-small.cS b/platform/pc-6001/ctk/libconio_arch-small.cS
index 18408ba3f..1ff865faa 100644
--- a/platform/pc-6001/ctk/libconio_arch-small.cS
+++ b/platform/pc-6001/ctk/libconio_arch-small.cS
@@ -7,7 +7,7 @@
 ;;; 
 ;;; @author Takahide Matsutsuka <markn@markn.org>
 ;;; 
-;;; $Id: libconio_arch-small.cS,v 1.1 2007/09/30 12:46:34 matsutsuka Exp $
+;;; $Id: libconio_arch-small.cS,v 1.2 2007/11/28 09:38:21 matsutsuka Exp $
 ;;;
 
 	;; uses preprocessor to enable definitions
@@ -16,6 +16,7 @@
 	;; export symbols
 	.globl	_clrscr_arch
 	.globl	_libputc_arch
+	.globl	_libputs_arch
 	
 	.area	_DATA
 _screen_offset::
@@ -98,5 +99,17 @@ _libputc_arch_scroll_loop:
 	pop	hl
 	pop	de
 	jr	_libputc_arch_putc
-	
+
+_libputs_arch:
+	ld	hl, #2
+	add	hl, sp
+	ld	e, (hl)
+	inc	hl
+	ld	d, (hl)
+_libputs_arch_loop:
+	ld	a, (hl)
+	or	a
+	ret	z
+	call	_libputc_asm
+	jr	_libputs_arch_loop	
 _libconio_arch_small_end::
diff --git a/platform/pc-6001/ctk/libconio_arch-small.h b/platform/pc-6001/ctk/libconio_arch-small.h
index 4de83ee1c..985a8dee4 100644
--- a/platform/pc-6001/ctk/libconio_arch-small.h
+++ b/platform/pc-6001/ctk/libconio_arch-small.h
@@ -2,7 +2,13 @@
 #define __LIBCONIO_ARCH_MSLL_H__
 #include "contiki.h"
 
-void clrscr_arch();
+void clrscr_arch(void);
 void libputc_arch(unsigned char ch);
+void libputs_arch(char* str);
+
+unsigned char wherex(void);
+unsigned char wherey(void);
+void gotoxy(unsigned char x, unsigned char y);
+
 
 #endif /* __LIBCONIO_ARCH_MSLL_H__ */
diff --git a/platform/pc-6001/ctk/libconio_arch.h b/platform/pc-6001/ctk/libconio_arch.h
index b468bf5ea..beeeee133 100644
--- a/platform/pc-6001/ctk/libconio_arch.h
+++ b/platform/pc-6001/ctk/libconio_arch.h
@@ -27,7 +27,7 @@
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- * $Id: libconio_arch.h,v 1.2 2007/09/29 04:10:00 matsutsuka Exp $
+ * $Id: libconio_arch.h,v 1.3 2007/11/28 09:38:21 matsutsuka Exp $
  *
  */
 
@@ -51,9 +51,9 @@ void cvline_arch(unsigned char length);
 void clip_arch(unsigned char clip1, unsigned char clip2);
 void clearto_arch(unsigned char to);
 void revers_arch(unsigned char reversed);
+void gotoxy_arch(unsigned char x, unsigned char y);
 #endif /* LIBCONIO_CONF_EXPORT */
 unsigned char wherex_arch();
 unsigned char wherey_arch();
-void gotoxy_arch(unsigned char x, unsigned char y);
 
 #endif /* __LIBCONIO_ARCH_H__ */