Method and apparatus for replicating peripheral device ports in

Details Method and apparatus for replicating peripheral device ports in Method and apparatus for replicating peripheral device ports in

1996-01-16

1998-09-08

Sheikh, Ayaz R.

395822, 395831, G06F 1300

Patent

active

058058338

ABSTRACT:
A device for replicating input/output protocols (265, 290, 310, 340, 360) in an expansion unit configuration (20, 60) implemented in a semiconductor chip (85) that supports a the protocols including one or more pass-through signal pathways (265), at least one serial protocol (310), at least one parallel logic protocol (340), and a peripheral component interface target device protocol (290). The device (85) may also support a dedicated data bus protocol (360) such as an 8-bit or 16-bit port and provides an interface pathway between various types of expansion units (20, 60) and a portable computer system (15) using the peripheral component interface bus (22) on the portable computer (15) as an interface between the system processor (17) and stand-alone peripheral devices (35, 110, 115, 117, 120, 125).

REFERENCES:
patent: 5555491 (1996-09-01), Tao
patent: 5569052 (1996-10-01), Belt et al.
patent: 5586308 (1996-12-01), Hawkins et al.

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