RESERV Interfacing the Enhanced Parallel Port (EPP).pdf
RESERV Interfacing the Extended Capabilities Parallel Port (ECP).pdf
RESERV Interfacing the serial RS-232 port v5.0.pdf
RESERV Interfacing the Standard Parallel Port (SPP).pdf
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       "The smart way to keep people passive and obedient is to strictly
        limit the spectrum of acceptable opinion, but allow very lively
        debate within that spectrum."                  -- Noam Chomsky