--- elwix/install2img.sh	2017/06/21 12:09:14	1.8.4.1
+++ elwix/install2img.sh	2017/06/21 13:00:48	1.8.4.2
@@ -5,7 +5,7 @@
 # (C) AITNET ltd - Sofia/Bulgaria <office@aitnet.org>
 #    by Michael Pounov <misho@elwix.org>
 #
-# $Id: install2img.sh,v 1.8.4.1 2017/06/21 12:09:14 misho Exp $
+# $Id: install2img.sh,v 1.8.4.2 2017/06/21 13:00:48 misho Exp $
 #
 
 [ -r ./config/rc.elwix ] && . ./config/rc.elwix
@@ -160,6 +160,14 @@ mkbak2()
 			exit 8
 		fi
 	fi
+
+	echo "+++ Make ELWIX OS system image partion for upgrade into ${REL}/sys4up_${IMGNAME}.bin ..."
+	if dd if=/dev/${1}a of=${REL}/sys4up_${IMGNAME}.bin; then
+		echo "OK"
+	else
+		echo "Failed!"
+		exit 9
+	fi
 }
 
 cleandev()
@@ -200,5 +208,6 @@ boot2dev $DEV
 mkbak2 $DEV ${3:-"no"}
 cleandev $DEV
 gencksum $IMG $MD5CHK $SHA1CHK
+gencksum ${REL}/sys4up_${IMGNAME}.bin ${REL}/sys4up_${IMGNAME}.md5 ${REL}/sys4up_${IMGNAME}.sha1
 
 echo "ELWIX OS image $IMGNAME complete."