The menu items of each device type menu are orderable to specify the boot order for {HEAD ~ devices} of {TAIL ~ the device type} 
of
The menu items of each device type menu are orderable to specify the boot order for { HEAD ~ devices } of { TAIL ~ the device type }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL