Patent
1994-12-21
1997-06-03
Lall, Parshotam S.
395831, 395834, 395881, 395884, 395500, G06F 1314
Patent
active
056363486
ABSTRACT:
An enhanced parallel port interface increases the bandwidth of a standard parallel port connector while at the same time maintaining backward compatibility with a standard parallel port interface. In order to increase the data transfer rate, the software overhead is substantially reduced by hardware generated signals. As such, the desirability of using a parallel port bus expansion is greatly increased.
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"All About Parallel-Port Signals", John Yacono, Popular Electronics, Jan. 1992, pp. 38-41 and 94.
"Troubleshooting Parallel Connections", John Yacono, Popular Electronics, Feb. 1992, pp. 41-48 and 94.
Buxton Clark L.
Kohtz Robert A.
Lall Parshotam S.
Vu Viet
Zenith Data Systems Corporation
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