# File lib/ohai/common/dmi.rb, line 77
      def id_lookup(id)
        begin
          id = id.to_i
          if (id >= 128) and (id <= 255)
            id = "oem_data_#{id}"
          elsif DMI::IdToDescription.has_key?(id)
            id = DMI::IdToDescription[id]
          else
            Ohai::Log.debug("unrecognized header id; falling back to 'unknown'")
            id = 'unknown'
          end
        rescue
          Ohai::Log.debug("failed to look up id #{id}, returning unchanged")
          id
        end
      end