diff --git a/packages/initramfs/sysutils/busybox-initramfs/install b/packages/initramfs/sysutils/busybox-initramfs/install
index edf12c5993..35bfb23c4f 100755
--- a/packages/initramfs/sysutils/busybox-initramfs/install
+++ b/packages/initramfs/sysutils/busybox-initramfs/install
@@ -31,6 +31,10 @@ mkdir -p $INSTALL/etc
   touch $INSTALL/etc/fstab
   ln -sf /proc/self/mounts $INSTALL/etc/mtab
 
+  if [ -f $PROJECT_DIR/$PROJECT/initramfs/initramfs.conf ]; then
+    cp $PROJECT_DIR/$PROJECT/initramfs/initramfs.conf $INSTALL/etc
+  fi
+
 mkdir -p $INSTALL/dev
 mkdir -p $INSTALL/proc
 mkdir -p $INSTALL/sys
diff --git a/packages/initramfs/sysutils/busybox-initramfs/scripts/init b/packages/initramfs/sysutils/busybox-initramfs/scripts/init
index b5eff1045d..16974a5ee0 100755
--- a/packages/initramfs/sysutils/busybox-initramfs/scripts/init
+++ b/packages/initramfs/sysutils/busybox-initramfs/scripts/init
@@ -81,6 +81,9 @@ NBD_DEVS="0"
       nosplash)
         SPLASH=no
         ;;
+      noram)
+        SYSTEM_TORAM=no
+        ;;
       overlay)
         OVERLAY=yes
         ;;
@@ -458,7 +461,20 @@ NBD_DEVS="0"
 
     if [ -f "/flash/$IMAGE_SYSTEM" ]; then
     # /flash is filesystem with system image file
-      mount_part "/flash/$IMAGE_SYSTEM" "/sysroot" "ro,loop"
+      INSTALLED_MEMORY=`cat /proc/meminfo | grep 'MemTotal:' | awk '{print $2}'`
+      SYSTEM_TORAM_LIMIT=1024000
+
+      if [ -f "/etc/initramfs.conf" ]; then
+        . /etc/initramfs.conf
+      fi
+
+      if [ "$SYSTEM_TORAM" = "no" -o "$INSTALLED_MEMORY" -lt "$SYSTEM_TORAM_LIMIT" ]; then
+        mount_part "/flash/$IMAGE_SYSTEM" "/sysroot" "ro,loop"
+      else
+        cp /flash/$IMAGE_SYSTEM /dev/$IMAGE_SYSTEM
+        mount_part "/dev/$IMAGE_SYSTEM" "/sysroot" "ro,loop"
+      fi
+
       /bin/busybox mount --move /flash /sysroot/flash
     else
     # /flash is actual root filesystem
diff --git a/projects/RPi/initramfs/initramfs.conf b/projects/RPi/initramfs/initramfs.conf
new file mode 100644
index 0000000000..c5c70d1494
--- /dev/null
+++ b/projects/RPi/initramfs/initramfs.conf
@@ -0,0 +1,4 @@
+# min size to support System to RAM
+# default for RaspberryPi we set to 356MB (256MB + appr. image size (100MB) )
+# to be sure we have at least 256MB free
+  SYSTEM_TORAM_LIMIT=364544