Method and apparatus for achieving high speed data transfer...

G - Physics – 06 – F

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G06F 13/10 (2006.01) G06F 13/38 (2006.01) G06F 13/42 (2006.01)

Patent

CA 2176830

The present invention removes restrictions on the maximum data transfer rate provided by the Centronics and PC-compatible parallel interface (i.e., standard parallel interface). Further, the present invention retains complete compatibility with the standard parallel port and peripheral device cable. With the present invention, a computer (i.e., host) is able to send data through a standard parallel port at a high rate by eliminating the Busy handshaking signal. Further, one to three Input/Output (I/O) instructions can be eliminated for each byte of data transfer.

La présente invention élimine les restrictions touchant la vitesse de transfert de données maximale fournie par l'interface parallèle Centronics? et compatible PC (c'est-à-dire l'interface parallèle standard). De plus, la présente invention conserve une compatibilité complète avec la porte parallèle standard et le câble d'unités périphériques. Grâce à la présente invention, un ordinateur (par exemple central) est en mesure d'envoyer des données à travers une porte parallèle standard à une vitesse élevée en éliminant le signal d'établissement de liaison Occupé. En outre, une à trois instructions Entrée/Sortie (I/O) peuvent être éliminées pour chaque octet de transfert de données.

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