if [ ! -f "$PRODUCTPATH/images/diskboot.img" ]; then
		echo "! Disk image not found: $PRODUCTPATH/images/diskboot.img"
		exit 1
	fi

	if [ ! -f "$PRODUCTPATH/iso/$PRODUCTCODE-$VERSION.iso" ]; then
		echo "! ISO image not found: $PRODUCTPATH/iso/$PRODUCTCODE-$VERSION.iso"
		exit 1
	fi

	# FIXME -- rename "iso" directory?
	# Output image filename
	image_filename=$PRODUCTPATH/iso/usbboot.img

	# Image mount point
	image_mount=/var/tmp/usbmnt
	mkdir -p image_mount

	# Total image size in MiB
	image_size=900

	# Partition editor (parted) v1.8.8 or above is required
	parted=/sbin/parted
	if [ -x "$(dirname $0)/parted" ]; then
		parted="$(dirname $0)/parted"
		echo "- Using local parted: $parted"
	elif [ ! -x "$parted" ]; then
		echo "! Required parted not found."
		exit 1
	fi

	# Create empty image file
	echo "- Creating $image_size MiB image: $image_filename"
	dd if=/dev/zero of=$image_filename bs=1M count=$image_size || exit 1

	# Create msdos partition table
	echo "- Creating MS-DOS disk label"
	$parted -s $image_filename mklabel msdos || exit 1

	# Create primary partition
	echo "- Creating primary parition"
	$parted -s $image_filename mkpart primary 0 $image_size || exit 1

	# Make first partition bootable
	echo "- Enabling boot on first partition"
	$parted -s $image_filename set 1 boot on
	echo
	$parted -s $image_filename print

	# Find first partition's offset in bytes
	partition_offset=$($parted -sm $image_filename unit b print | egrep '^1:' | cut -d : -f 2 | sed -e 's/B//')
	[ -z "$partition_offset" ] && exit 1
	echo "- First partition offset: $partition_offset bytes"

	# Find first available loop device
	for loop_id in $(seq 0 7); do
		losetup /dev/loop$loop_id || break
	done
	losetup /dev/loop$loop_id && exit 1
	echo "- Using loop device: /dev/loop$loop_id"

	# Attach loop device to first partition
	losetup -o $partition_offset /dev/loop$loop_id $image_filename || exit 1

	# Make FAT16 filesystem
	echo "- Creating FAT16 filesystem"
	mkdosfs -F 16 /dev/loop$loop_id || exit 1

	# Mount filesystem
	sync
	mkdir -vp $image_mount
	mount /dev/loop$loop_id $image_mount || exit 1

	# Mount diskboot.img
	mkdir -vp $image_mount-diskboot
	mount -o loop,ro $PRODUCTPATH/images/diskboot.img $image_mount-diskboot || exit 1

	# Copy diskboot.img contents to usbboot.img
	echo "- Copying diskboot.img contents"
	cp -vr $image_mount-diskboot/* $image_mount || exit 1

	# Copy ISO image to usbboot.img
	echo "- Copying ISO image"
	cp -v $PRODUCTPATH/iso/$PRODUCTCODE-$VERSION.iso $image_mount || exit 1

	# Unmount
	umount $image_mount-diskboot
	umount $image_mount
	losetup -d /dev/loop$loop_id

	# Install syslinux
	echo "- Installing syslinux"
	syslinux -o $partition_offset $image_filename || exit 1

	sync
	echo "* Success: $image_filename"