A collection of files and links to material about the PCs parallel port, including ECP, EPP, bidirectional, and IEEE-1284 modes (and other I/O ports as well). From Jan Axelson.

Interfacing to the IBM-PC Parallel Printer Port.

As technology progressed and the need for greater external connectivity increased, the parallel port became the means by which you could connect higher performance peripherals.

Explains what EPP is with hyperlinks to additional information.