Booting a computer system using an EFI personality of a different computer system. At least two stationary reflecting units are installed in series after the deflection unit. The disclosed interfaces include screens that supply operators with identity, structure, configuration, bandwidth utilization andor status information for system hardware and software. In response a session ID is obtained from the remote transfer server. Fade-in and fade-out functions are associated with the leading side and trailing side, respectively, of each mark, creating a series of cross-fading \u201cmounds\u201d with peaks at each mark.