diff --git a/clientstructure/etc/initramfs-tools/scripts/ogfunctions b/clientstructure/etc/initramfs-tools/scripts/ogfunctions
index 11f9478..ec01878 100644
--- a/clientstructure/etc/initramfs-tools/scripts/ogfunctions
+++ b/clientstructure/etc/initramfs-tools/scripts/ogfunctions
@@ -99,10 +99,12 @@ ogPostConfigureFS()
 	echo "localnet $NETIP" >> /etc/networks
 	#route
 
-	#enlace si iniciamos desde cdrom
-    # el cdrom lo monta en /opt/og2fs/tftpboot
-    # y el sistema root sqfs en /opt/og2fs/2ndfs
-	[ "$ogprotocol" == "cdrom" ] &&  ln -s /opt/og2fs/2ndfs/opt/opengnsys/* /opt/opengnsys/
+	#enlace si iniciamos desde ogprotocolo=local { cdrom, usb, cache } .
+    # monta el raiz del dispositivo local en /opt/og2fs/tftpboot  - acceso al fichero .sqfs
+    # y monta el sistema root sqfs en /opt/og2fs/2ndfs
+	[ "$LOCALMEDIA" == "CACHE" ] && ln -s /opt/og2fs/tftpboot /opt/opengnsys/cache
+	[ "$ogprotocol" == "local" ] &&  ln -s /opt/og2fs/2ndfs/opt/opengnsys/* /opt/opengnsys/
+
 
 }
 
@@ -149,10 +151,15 @@ else
 fi
 
 case "$ogprotocol" in
-	cdrom)
-		echo  "Montar imagen de CD-ROM"
-		blkid /dev/s*
-		mount -t iso9660 LABEL=ogClient $LOCALROOTBOOT
+	local)
+		echo  "Montar imagen del sistema root desde dispositivo local"
+		for i in $(blkid /dev/s* | grep ogClient | awk -F: '{print $2}' | tr -d \"); do export $i; done
+		mount -t $TYPE LABEL=$LABEL $LOCALROOTBOOT
+		if [ $? != 0 ]
+		then
+			mount -t reiserfs LABEL=CACHE $LOCALROOTBOOT
+			export LOCALMEDIA=CACHE
+		fi
 		;;    
 	httfs)
 		echo "protocolo httfs aun no soportado"
diff --git a/kernelParameterOG.es.txt b/kernelParameterOG.es.txt
index 4ec96c8..66d7fcf 100644
--- a/kernelParameterOG.es.txt
+++ b/kernelParameterOG.es.txt
@@ -28,7 +28,10 @@ ip=
  og2nd=sqfs|img 
  
  #protocolo de acceso al og2nd.
- ogprotocol=smb|nfs
+ ogprotocol=smb|nfs|local
+ #local para cdrom, usb a partir de la iso.  labelparticionusbUNETBOOTIN=ogClient
+ #loacl tambien para fichero.sqfs en cache.
+ 
  
  # modo de funcionalidad del browser con shell root activa.
  ogactiveadmin=true|false
diff --git a/ogClientManager.lib b/ogClientManager.lib
index 3241eef..9f56ec4 100644
--- a/ogClientManager.lib
+++ b/ogClientManager.lib
@@ -388,6 +388,7 @@ rm /tmp/id_dsa.pub
 
 function ogCrearISO {
 apt-get install syslinux genisoimage
+#TODO: deb http://free.nchc.org.tw/drbl-core drbl stable
 #apt-get install gpxe
 mkdir -p /tmp/iso/isolinux
 #cd tmp/iso/
@@ -403,7 +404,7 @@ DEFAULT menu.c32
 PROMPT 0
 ALLOWOPTIONS 1
 
-MENU TITLE FuTuR3 Live Collection
+MENU TITLE  OpenGnsys 1.0.1 v00
 
 LABEL gpxe
 MENU LABEL gpxe
@@ -423,22 +424,22 @@ APPEND initrd=/clonezilla/live/initrd1.img boot=live union=aufs noswap vga=788 i
 LABEL 0
 MENU LABEL ogClient vga irqpool acpi ogdebug ip:none
 KERNEL /ogclient/linuxISO
-APPEND initrd=/ogclient/oginitrd.img ro vga=788 irqpoll acpi=on boot=oginit  og2nd=sqfs ogprotocol=cdrom ogactiveadmin=true ogdebug=true ip=none
+APPEND initrd=/ogclient/oginitrd.img ro vga=788 irqpoll acpi=on boot=oginit  og2nd=sqfs ogprotocol=local ogactiveadmin=true ogdebug=true ip=none
 
 LABEL 1
 MENU LABEL ogClient irqpoll acpi ip:none
 KERNEL /ogclient/linuxISO
-APPEND initrd=/ogclient/oginitrd.img ro  irqpoll acpi=on boot=oginit  og2nd=sqfs ogprotocol=cdrom ogactiveadmin=true ogdebug=false ip=none
+APPEND initrd=/ogclient/oginitrd.img ro  irqpoll acpi=on boot=oginit  og2nd=sqfs ogprotocol=local ogactiveadmin=true ogdebug=false ip=none
 
 LABEL 2
 MENU LABEL ogClient acpi debug ip=dhcp
 KERNEL /ogclient/linuxISO
-APPEND initrd=/ogclient/oginitrd.img ro acpi=on boot=oginit  og2nd=sqfs ogprotocol=cdrom ogactiveadmin=true ogdebug=true ip=dhcp
+APPEND initrd=/ogclient/oginitrd.img ro acpi=on boot=oginit  og2nd=sqfs ogprotocol=local ogactiveadmin=true ogdebug=true ip=dhcp
 
 LABEL 3
 MENU LABEL ogClient ip=dhcp
 KERNEL /ogclient/linuxISO
-APPEND initrd=/ogclient/oginitrd.img ro acpi=off boot=oginit  og2nd=sqfs ogprotocol=cdrom ogactiveadmin=true ogdebug=false ip=dhcp
+APPEND initrd=/ogclient/oginitrd.img ro acpi=off boot=oginit  og2nd=sqfs ogprotocol=local ogactiveadmin=true ogdebug=false ip=dhcp
 
 
 #LABEL ogclient
@@ -473,6 +474,15 @@ FIN
 #### /tmp/iso# 
 mkisofs -V ogClient -o ogClient.iso -b isolinux/isolinux.bin -c isolinux/boot.cat -J -no-emul-boot -boot-load-size 4 -boot-info-table tmp/iso
 
+### vi /etc/grub.d/40_custom 
+##
+#menuentry "og cache " {
+#set root=(hd0,4)
+#linux /ogvmlinuz ro vga=788 irqpoll acpi=on boot=oginit  og2nd=sqfs ogprotocol=local ogactiveadmin=true ogdebug=true ip=none
+#initrd /oginitrd.img
+#}
+
+
 }
 
 function ogprobarISO {
@@ -485,6 +495,7 @@ qemu -m 256 -boot d -cdrom ogClient.iso
 
 
 
+
 ogClientConfpxe()
 {
 ################## DEJAMOS FICHERO DE EJEMPLOS PARA: