Methods and arrangements are provided that automatically display error information during a logon process or other similar process. The method includes determining whether to insert authentication code into a data packet based on at least one of an importance of the data packet and a type of the data packet, and inserting the authentication code into the data packet based on a result of the determining. A processing unit processes the amplified input signal to obtain input signal data. The allocation unit is configured to provide a lock signal and sequence information to the section controllers in each of the pipeline blocks.