chip northbridge/intel/i440bx		# Northbridge
  device domain 0 on		# PCI domain
    chip southbridge/intel/i82371eb	# Southbridge
      device pci 4.0 on			# ISA bridge
        chip superio/winbond/w83977tf	# Super I/O (FIXME: It's W83977EF!)
          device pnp 3f0.6 on		# Consumer IR
          end
          device pnp 3f0.a on		# ACPI
          end
        end
      end
    end
  end
end