1
Gregory Allen North, Douglas D Gephardt, James D Barnette, James D Austin, Scott Thomas Haban, Thomas Saroshan David, Brian Christopher Kircher: Circuits, system, and methods for processing multiple data streams. Cirrus Logic, James J Murphy Esq, J P Violette Esq, April 25, 2000: US06055619 (140 worldwide citation)

An audio information processing subsystem 200 is disclosed which includes a stream processor 100 for simultaneously processing multiple streams of audio data. Processing subsystem 200 also includes a program memory 202 coupled to stream processor 100 for storing instructions for controlling processi ...


2
Douglas D Gephardt, James R MacDonald, Rita M O Brien: Power management architecture including a power management messaging bus for conveying an encoded activity signal for optimal flexibility. Advanced Micro Devices, B Noel Kivlin, February 20, 1996: US05493684 (130 worldwide citation)

An integrated processor is provided that includes a CPU core coupled to a variety of on-chip peripheral devices such as a DMA controller, an interrupt controller, and a timer. The integrated processor further includes a power management message unit coupled to the DMA controller, interrupt controlle ...


3
Douglas D Gephardt, Brett B Stewart, Rita M Wisor, Drew J Dutton, Steven L Belt: Side bus to dynamically off load main bus. Advanced Micro Devices, Foley & Lardner, March 25, 1997: US05615207 (66 worldwide citation)

A data communication system includes an express bus, a plurality of local buses, and a plurality of local/express bridges, each local/express bridge connecting a corresponding local bus to the express bus. A plurality of local/local bridges each connect two corresponding local buses. The plurality o ...


4
Douglas D Gephardt, Rodney W Schmidt: Multiprocessing system employing an adaptive interrupt mapping mechanism and method. Advanced Micro Devices, B Noel Kivlin, Conley Rose & Tayon, February 24, 1998: US05721931 (65 worldwide citation)

A symmetrical multiprocessing system is provided that includes a central interrupt control unit. The central interrupt control unit is coupled to a plurality of processing units and to a plurality of interrupt sources. The interrupt sources include a plurality of peripheral devices coupled to a firs ...


5
James R MacDonald, Douglas D Gephardt, Dan S Mudgett: Interrupt controller with external in-service indication for power management within a computer system. Advanced Micro Devices, B Noel Kivlin, Conley Rose & Tayon PC, April 13, 1999: US05894577 (64 worldwide citation)

An interrupt controller includes an interrupt request register for receiving interrupt requests from various peripherals or I/O devices via a set of request lines. A priority resolver is further provided for comparing the priority level of the interrupt lines, latching the lower priority requests in ...


6
Douglas D Gephardt, Steven L Belt, Drew J Dutton: Dockable computer system capable of symmetric multi-processing operations. Advanced Micro Devices, Foley & Lardner, April 29, 1997: US05625829 (61 worldwide citation)

A dockable computer system is capable of performing symmetrical multi-processing operations. More particularly, the dockable computer system includes a portable computer and a host station (docking station), each including a resident CPU. The dockable computer system is capable of operating in a doc ...


7
Douglas D Gephardt, Scott Swanstrom: Apparatus and method for achieving hot docking capabilities for a dockable computer system. Advanced Micro Devices, Foley & Lardner, January 28, 1997: US05598539 (50 worldwide citation)

A dockable computer system is capable of performing hot docking or warm docking. Hot docking refers to an ability to dock when the portable computer or docking station are running at full power. Warm docking refers to an ability to dock when the portable computer and docking station are running in a ...


8
Douglas D Gephardt, Scott Swanstrom: System for docking a portable computer to a host computer without suspending processor operation by a docking agent driving the bus inactive during docking. Advanced Micro Devices, Foley & Lardner, May 20, 1997: US05632020 (47 worldwide citation)

A computer system includes a bus arbiter for providing immediate access to a bus in response to an external requirement or event. In a dockable computer system capable of hot docking or warm docking, the bus arbiter grants exclusive, non-preemptive access to the buses to the docking agent which is c ...


9
Scott Swanstrom, Douglas D Gephardt: Apparatus and method for driving a bus to a docking safe state in a dockable computer system including a docking station and a portable computer. Advanced Micro Devices, Foley & Lardner, January 28, 1997: US05598537 (47 worldwide citation)

In a dockable computer system capable of hot docking or warm docking, a docking safe circuit drives the bus of the portable computer and docking station to a docking safe state in response to a DOCK signal. The DOCK signal may be a notice signal indicative of a change of state from the undocked stat ...


10
Scott Swanstrom, Douglas D Gephardt: Dockable computer system capable of electric and electromagnetic communication. Advanced Micro Devices, Foley & Lardner, September 16, 1997: US05668977 (41 worldwide citation)

A dockable computer system includes a portable computer (notebook or laptop) and a docking station (base unit). The portable computer and docking station both include a communication system so that messages can be communicated when the docking station is in an undocked state preparatory to a docked ...