def ethernet_connected_chips(self):
        """Iterate over the coordinates of Ethernet connected chips.

        Yields
        ------
        ((x, y), str)
            The coordinate and IP address of each Ethernet connected chip in
            the system.
        """
        for xy, chip_info in six.iteritems(self):
            if chip_info.ethernet_up:
                yield (xy, chip_info.ip_address)