Short for Extended Capabilities Port, ECP was developed by Microsoft and Hewlett-Packard and announced in 1992 as an additional enhanced parallel port. Although ECP requires an additional DMA channel that may cause resource conflicts, it can transmit up to 2 MBps and has a FIFO buffer of up to 16-bytes.

Computer abbreviations, Parallel port, Printer terms

  • How to change the LPT port within CMOS.
  • Printer help and support.