diff --git a/builds/amd64/installer/legacy/builds/amd64-installer.sh b/builds/amd64/installer/legacy/builds/amd64-installer.sh
index dab1a445..86accc8f 100644
--- a/builds/amd64/installer/legacy/builds/amd64-installer.sh
+++ b/builds/amd64/installer/legacy/builds/amd64-installer.sh
@@ -197,6 +197,25 @@ partition_gpt()
 
   start=$1; shift
 
+  ############################################################
+  #
+  # ONL Boot Partition.
+  #
+  ############################################################
+  installer_say "Creating 128MB for ONL Boot partition..."
+  end=$(( $start + 128 ))
+
+  parted -s $DEV unit mb mkpart "ONL-BOOT" ext4 ${start} ${end} || return 1
+  if ! part=$(get_part_number $DEV "ONL-BOOT"); then
+      return 1
+  fi
+
+  parted -s $DEV set $part boot on || return 1
+  mkfs.ext4 -L "ONL-BOOT" ${DEV}${part}
+  start=$(( $end + 1 ))
+
+
+
   ############################################################
   #
   # ONL Configuration Partition.
@@ -216,29 +235,10 @@ partition_gpt()
       rm -rf $ONL_CONFIG_MOUNTPOINT
       mkdir -p $ONL_CONFIG_MOUNTPOINT
       mount $DEV$part $ONL_CONFIG_MOUNTPOINT
-      tar -C $ONL_CONFIG_MOUNTPOINT -xvzf $SL_DATA_TARBALL
+      tar -C $ONL_CONFIG_MOUNTPOINT -xvzf $ONL_CONFIG_TARBALL
       umount $ONL_CONFIG_MOUNTPOINT
   fi
 
-
-  ############################################################
-  #
-  # ONL Boot Partition.
-  #
-  ############################################################
-  installer_say "Creating 128MB for ONL Boot partition..."
-  end=$(( $start + 128 ))
-
-  parted -s $DEV unit mb mkpart "ONL-BOOT" ext4 ${start} ${end} || return 1
-  if ! part=$(get_part_number $DEV "ONL-BOOT"); then
-      return 1
-  fi
-
-  parted -s $DEV set $part boot on || return 1
-  mkfs.ext4 -L "ONL-BOOT" ${DEV}${part}
-  start=$(( $end + 1 ))
-
-
   ############################################################
   #
   # ONL Image Partition.
diff --git a/builds/amd64/installer/legacy/builds/boot-config b/builds/amd64/installer/legacy/builds/boot-config
index dfefb733..40fb0d31 100644
--- a/builds/amd64/installer/legacy/builds/boot-config
+++ b/builds/amd64/installer/legacy/builds/boot-config
@@ -1,4 +1,4 @@
 NETDEV=ma1
 NETAUTO=dhcp
 BOOTMODE=SWI
-SWI=flash2::latest
+SWI=images::latest
diff --git a/builds/any/installer/legacy/fit/builds/boot-config b/builds/any/installer/legacy/fit/builds/boot-config
index dfefb733..40fb0d31 100644
--- a/builds/any/installer/legacy/fit/builds/boot-config
+++ b/builds/any/installer/legacy/fit/builds/boot-config
@@ -1,4 +1,4 @@
 NETDEV=ma1
 NETAUTO=dhcp
 BOOTMODE=SWI
-SWI=flash2::latest
+SWI=images::latest
diff --git a/builds/any/installer/legacy/fit/builds/fit-install-lib b/builds/any/installer/legacy/fit/builds/fit-install-lib
index 504cc0bc..11c89540 100644
--- a/builds/any/installer/legacy/fit/builds/fit-install-lib
+++ b/builds/any/installer/legacy/fit/builds/fit-install-lib
@@ -1,3 +1,4 @@
+# -*- sh -*-
 ######################################################################
 #
 # lib.sh
@@ -122,11 +123,12 @@ installer_partition_format() {
     local blockdev=$1
     local partno=$2
     local mkfs=$3
+    local options=$4
     local partition="$1$2"
 
     installer_say "Format ${partition}..."
     installer_create_device_file ${blockdev} ${partno}
-    "${mkfs}" "${installer_df}"
+    "${mkfs}" ${options} "${installer_df}"
     installer_say "Format ${partition} complete."
     rm "${installer_df}"
 }
@@ -158,26 +160,60 @@ installer_umount_blockdev() {
 # installer_blockdev_format <blockdev> <p1size> <p2size> <p3size>
 #
 #    <blockdev> The block device name.
-#    <p1size>   The size of the first partition.
-#    <p2size>   The size of the second partition.
-#    <p3size>   [Optional] The size of the third partition.
-#               If p3size is unset, the remainder of the device will be used
-#               for the third partition.
+#    <p1size>   The size of the boot partition.
+#    <p2size>   The size of the config partition.
+#    <p3size>   The size of the image partition.
+#    <p4size>   [Optional] The size of the data partition.
+#               If p4size is unset, the remainder of the device will be used
+#               for the data partition.
 #
 ############################################################
+ONL_CONFIG_TARBALL=/tmp/onl_config.tgz
+ONL_CONFIG_MOUNTPOINT=/mnt/onl_config_partition
 
 installer_blockdev_format() {
     local blockdev=$1
     local partition1size=$2
     local partition2size=$3
     local partition3size=$4
+    local partition4size=$5
+
+    onl_config_partition=$(blkid | grep ONL-CONFIG | awk '{print $1}' | tr -d ':')
+
+    #
+    # If an ONL-CONFIG partition exists, we need to save and restore its contents.
+    #
+    if [ -n "$onl_config_partition" ]; then
+        installer_say "Preserving the contents of the existing ONL-CONFIG partition..."
+        rm -rf $ONL_CONFIG_MOUNTPOINT
+        mkdir -p $ONL_CONFIG_MOUNTPOINT
+        echo mount "$onl_config_partition" $ONL_CONFIG_MOUNTPOINT
+        mount "$onl_config_partition" $ONL_CONFIG_MOUNTPOINT
+        tar -C $ONL_CONFIG_MOUNTPOINT -cvzf $ONL_CONFIG_TARBALL .
+        umount $ONL_CONFIG_MOUNTPOINT
+    fi
+
+
 
     installer_umount_blockdev ${blockdev}
-    installer_say "Formatting ${blockdev} as ${partition1size}:${partition2size}:${partition3size}."
-    echo -e "o\nn\np\n1\n\n+${partition1size}\nn\np\n2\n\n+${partition2size}\nn\np\n3\n\n${partition3size}\np\nw\n" | fdisk /dev/${blockdev}
-    installer_partition_format ${blockdev} 1 mkdosfs
-    installer_partition_format ${blockdev} 2 mkdosfs
-    installer_partition_format ${blockdev} 3 mkdosfs
+    installer_say "Formatting ${blockdev} as ${partition1size}:${partition2size}:${partition3size}:${partition4size}."
+    echo -e "o\nn\np\n1\n\n+${partition1size}\nn\np\n2\n\n+${partition2size}\nn\np\n3\n\n+${partition3size}\nn\np\n4\n\n${partition4size}\np\nw\n" | fdisk /dev/${blockdev}
+    installer_partition_format ${blockdev} 1 mkfs.ext2 "-L ONL-BOOT"
+    installer_partition_format ${blockdev} 2 mkfs.ext2 "-L ONL-CONFIG"
+    installer_partition_format ${blockdev} 3 mkfs.ext2 "-L ONL-IMAGES"
+    installer_partition_format ${blockdev} 4 mkfs.ext2 "-L ONL-DATA"
+
+    if [ -f $ONL_CONFIG_TARBALL ]; then
+        installer_say "Restoring the contents of the existing ONL-CONFIG partition..."
+        installer_create_device_file ${blockdev} 2
+        mkdir -p "${installer_df}.mount"
+        mount "${installer_df}" "${installer_df}.mount"
+        tar -C "${installer_df}.mount" -xvzf $ONL_CONFIG_TARBALL
+        umount "${installer_df}.mount"
+        rm "${installer_df}"
+        rmdir "${installer_df}.mount"
+        rm $ONL_CONFIG_TARBALL
+    fi
 }
 
 ############################################################
@@ -311,15 +347,16 @@ installer_standard_blockdev_install () {
     local p1size=$2
     local p2size=$3
     local p3size=$4
+    local p4size=$5
 
     # Standard 3-partition format for loader, /mnt/flash, and /mnt/flash2
-    installer_blockdev_format "${blockdev}" "${p1size}" "${p2size}" "${p3size}"
+    installer_blockdev_format "${blockdev}" "${p1size}" "${p2size}" "${p3size}" "${p4size}"
 
     # Copy the platform loader to the first partition.
     installer_platform_loader "${blockdev}" 1
 
     # Set the boot-config file
-    installer_platform_bootconfig "${blockdev}" 2
+    installer_platform_bootconfig "${blockdev}" 1
 
     # Copy the packaged SWI to the third partition.
     installer_platform_swi "${blockdev}" 3
diff --git a/builds/any/installer/legacy/fit/builds/fit-installer.sh b/builds/any/installer/legacy/fit/builds/fit-installer.sh
index eedf721c..fa1f31c8 100644
--- a/builds/any/installer/legacy/fit/builds/fit-installer.sh
+++ b/builds/any/installer/legacy/fit/builds/fit-installer.sh
@@ -110,7 +110,7 @@ fw_setenv_f_s "${envf}"
 installer_say "Install finished.  Rebooting to Open Network Linux."
 sleep 3
 reboot
-exit
+exit 0
 
 # Do not add any additional whitespace after this point.
 PAYLOAD_FOLLOWS