def METHOD_NAME(self):
    """
    Retrieves the powergood status of PSU
    Returns:
        A boolean, True if PSU has stablized its output voltages and
        passed all its internal self-tests, False if not.
    """
    power_good  = self._get_cpld_register(self.psu_status).strip()
    if power_good == 'ERR' : return False
    return int(power_good, 0)