diff --git a/interface/ri_oper.py b/interface/ri_oper.py
index 1cd4a1b..81cfe75 100644
--- a/interface/ri_oper.py
+++ b/interface/ri_oper.py
@@ -98,6 +98,12 @@ class Operation:
         if display_scale: display_scale()
         return ret
 
+    def getarch(self):
+        cmd='uname -m'
+        result = subprocess.Popen(cmd,stdout=subprocess.PIPE,shell=True)
+        arch = result.stdout.readline().rstrip()
+        return arch 
+
     def sigpipe_handle(self):
         signal.signal(signal.SIGPIPE,signal.SIG_DFL) 
 
@@ -310,8 +316,12 @@ class BootLoader(Operation):
         self.return_value[127]=("No tool to bootloader. E.g grub",u"没有安装引导程序的工具。如grub等")
 
     def get_arguments(self):
-        # only grub?
-        return ["-t grub"]
+        if self.getarch() == "ppc64":
+            pass
+        elif self.getarch() == "ia64": 
+            return ["-t elilo"]
+        else: 
+            return ["-t grub"]
 
 class ConfigureBootloader(Operation):
     """class for configure bootloader file"""
@@ -323,7 +333,13 @@ class ConfigureBootloader(Operation):
 
     def get_arguments(self):
         list=[]
-        tp="grub"
+
+	if self.getarch() == "ppc64":
+            pass
+        elif self.getarch() == "ia64": 
+            tp = "elilo"
+        else: 
+            tp = "grub"
         # FIXME if tag file format is error?
         if os.path.isfile("/tag"):
             fd = open("/tag","r")
diff --git a/operation/configure_bootloader_cnf.sh b/operation/configure_bootloader_cnf.sh
index b337c63..895975c 100755
--- a/operation/configure_bootloader_cnf.sh
+++ b/operation/configure_bootloader_cnf.sh
@@ -60,6 +60,14 @@ options:
    return $ret
 }
 
+
+configure_elilo_cnf()
+{
+	local root_dev
+	root_dev="/dev/$ROOT_PARTITION"
+ 	sed -i "s@root=@root=$root_dev@g" /mnt/boot/efi/boot/elilo.conf
+}
+
 configure_grub_cnf ()
 {
 
@@ -186,6 +194,14 @@ main ()
 				configure_grub_cnf
 				erv
 				;;
+			elilo)
+				if [ -z "$ROOT_PARTITION" ]; then
+					err "configure grub configuration file root partition can't be empty"
+					exit 1
+				fi
+				configure_elilo_cnf
+				erv
+				;;
 			*)
 				err "$TYPE bootloader no implement yet !"
 				exit 3
diff --git a/operation/copy_kernels.sh b/operation/copy_kernels.sh
index dc94aa8..6eabca7 100755
--- a/operation/copy_kernels.sh
+++ b/operation/copy_kernels.sh
@@ -45,21 +45,31 @@ main ()
 		exit 1
 	fi
 
-	info "copy $INITRD/initrd.gz to $TARGET/boot/initrd.gz.old"
-	if [ -e "$INITRD/initrd.gz" ];then
-		cp "$INITRD/initrd.gz" "$TARGET/boot/initrd.gz.old" 2>>$DEV_LOG
-	else
-		err "$INITRD/initrd.gz doesn't exist "
-		exit 1
-	fi
+	case `uname -m` in 
+	    x86_64 | i686)
+		info "copy $INITRD/initrd.gz to $TARGET/boot/initrd.gz.old"
+		if [ -e "$INITRD/initrd.gz" ];then
+			cp "$INITRD/initrd.gz" "$TARGET/boot/initrd.gz.old" 2>>$DEV_LOG
+		else
+			err "$INITRD/initrd.gz doesn't exist "
+			exit 1
+		fi
 
-	info "runing makeinitrd"
-	if [ -e ./makeinitrd ];then
-		./makeinitrd 2>>$DEV_LOG
-	else
-		err "makeinitrd doesn't exist "
+		info "runing makeinitrd"
+		if [ -e ./makeinitrd ];then
+			./makeinitrd 2>>$DEV_LOG
+		else
+			err "makeinitrd doesn't exist "
+			exit 1
+		fi
+		;;
+	   ia64)
+	   	;;
+	   *)
+	   	err "architecture is not allowing"
 		exit 1
-	fi
+		;;
+	esac
 }
 
 KERNELS="/Rocky/kernels"
diff --git a/operation/format_partition.sh b/operation/format_partition.sh
index fe37713..6af108c 100755
--- a/operation/format_partition.sh
+++ b/operation/format_partition.sh
@@ -78,7 +78,7 @@ format_partition ()
 		swap)
 			mkswap -f "$devname" 1>>"$DEV_LOG" 2>&1
 		;;
-		fat)
+		vfat)
 			mkfs.vfat "$devname" 1>>"$DEV_LOG" 2>&1
 		;;
 		*)
diff --git a/operation/install_bootloader.sh b/operation/install_bootloader.sh
index 5443016..ca501c3 100755
--- a/operation/install_bootloader.sh
+++ b/operation/install_bootloader.sh
@@ -102,7 +102,12 @@ main ()
 				install_grub
 				erv
 				;;
+			elilo)
+				echo "install elilo";
+				sed -i '/boot/d' $TARGET/etc/fstab
+				;;
 			*)
+			
 				err "$type bootloader no implement yet !"
 				exit 3
 				;;
diff --git a/xml/interface.xml b/xml/interface.xml
index 662377b..ac14ebd 100644
--- a/xml/interface.xml
+++ b/xml/interface.xml
@@ -872,7 +872,7 @@ row 4 |                                                            |
       <widget type='Listbox' name='mp_top_fs'>
         <widget_attribute listvariable='mp_top_fs'/>
         <grid_location row='4' column='1' sticky='W'/>
-        <variable name='mp_top_fs' type='StringVar' value='ext2 ext3 reiserfs xfs jfs swap'/>
+        <variable name='mp_top_fs' type='StringVar' value='ext2 ext3 reiserfs xfs jfs swap vfat'/>
       </widget>
 
       <widget type='Button'>