1
Kumar Chinnaswamy, Michael E Flynn, R Stephen Polzin: Modular crossbar interconnection metwork for data transactions between system units in a multi-processor system. Digital Equipment Corporation, Arnold White & Durkee, November 6, 1990: US04968977 (63 worldwide citation)

For efficiently handling data transactions between various system units (CPUs, I/O units and main memory units) in a multi-processor system, the system units are linked via a plurality of expandable crossbar modules, each providing a set of interconnections or well-defined mappings between the sets ...


2
R Stephen Polzin, Frederick D Weber, Gerald R Talbot, Larry D Hewitt, Richard W Reeves, Shwetal A Patel, Ross V La Fetra, Dale E Gulick, Mark D Hummel, Paul C Miranda: System including a host connected to a plurality of memory modules via a serial memory interconnect. Advanced Micro Devices, Ingrassia Fisher & Lorenz P C, September 2, 2008: US07421525 (42 worldwide citation)

A system including a host coupled to a serially connected chain of memory modules. In one embodiment, each of the memory modules includes a memory control hub for controlling access to a plurality of memory chips on the memory module. The memory modules are coupled serially in a chain to the host vi ...


3
R Stephen Polzin, Noah M Price, Duane M P Takahashi: Printed circuit board processor card for upgrading a processor-based system. Apple Computer, Burns Doane Swecker & Mathis L, July 1, 1997: US05644760 (30 worldwide citation)

A printed circuit board (PCB) processor card is described. The processor card includes a processor, its associated processor card system bus, a clock generator, and its associated processor card system clock bus. The processor card is designed to include the elements that are most likely to be upgra ...


4
R Stephen Polzin, Roger G Niles, Rueysen Lin: Method and apparatus for interfacing a system control unit for a multi-processor. Digital Equipment Corporation, Arnold White & Durkee, October 23, 1990: US04965793 (25 worldwide citation)

To interface a system control unit with an input/unit in a computer system, an interface includes a transmitter for sequentially transmitting data packets and parity signals between the system control unit and the input/output unit, and a receiver for sequentially receiving the data packets and pari ...


5
R Stephen Polzin, Alex A Kipman, Mark J Finocchio, Ryan Michael Geiss, Kathryn Stone Perez, Kudo Tsunoda, Darren Alexander Bennett: Device for identifying and tracking multiple humans over time. Microsoft Corporation, Judy Yee, Micky Minhas, June 3, 2014: US08744121 (22 worldwide citation)

A system recognizes human beings in their natural environment, without special sensing devices attached to the subjects, uniquely identifies them and tracks them in three dimensional space. The resulting representation is presented directly to applications as a multi-point skeletal model delivered i ...


6
Michael B Evans, Rueysen Lin, Brian F Rost, R Stephen Polzin: Interface between a system control unit and a service processing unit of a digital computer. Digital Equipment Corporation, Arnold White & Durkee, September 8, 1992: US05146564 (22 worldwide citation)

A computer system includes a plurality of central processing units (CPUs), a main memory, a system control unit (SCU) for controlling the transfer of data between the CPUs and the main memory, and a service processing unit (SPU) to interface the computer system with the outside world, such as an ope ...


7
James D Kelly, R Stephen Polzin: Bus transaction reordering using side-band information signals. Apple Computer, Burns Doane Swecker & Mathis, January 7, 1997: US05592631 (22 worldwide citation)

The present invention, generally speaking, provides a system and method of decoupling the address and data buses of a system bus using side band information signals. A computer system with which the invention may be used has a system bus including an address bus and a data bus and has, operatively c ...


8
R Stephen Polzin, James N Leahy, Robert E Willard: Method and apparatus for transferring data processing data transfer sizes. Digital Equipment Corporation, Denis G Maloney, Arthur W Fisher, May 16, 1995: US05416907 (18 worldwide citation)

A method and apparatus for optimizing the performance of a multibus data processing system is provided. An I/O controller is coupled to the I/O bus and includes MORE bit setting means for initiating a MORE stream transaction on the I/O bus and for thereafter terminating the MORE stream transaction. ...


9
Chester Walenty Pawlowski, Nicholas Allen Warchol, David Gerard Conroy, R Stephen Polzin: System for checking the acceptance of I/O request to an interface using software visible instruction which provides a status signal and performs operations in response thereto. Digital Equipment Corporation, Joanne N Pappas, Gary E Ross, Arthur W Fisher, October 28, 1997: US05682551 (17 worldwide citation)

An apparatus including a system bus coupled to an I/O interface which includes a pointer register and a rejecting circuit which determines whether a write to the pointer register will be accepted or rejected. The I/O interface is further coupled to at least one I/O bus having at least one I/O device ...


10
William H Cummins, R Stephen Polzin, Richard Heye: Method and apparatus for testing processor-based computer modules. Digital Equipment Corporation, Denis G Maloney, Albert P Cefalo, October 25, 1994: US05359547 (13 worldwide citation)

A method and apparatus for testing complex processor-based computer modules and their associated computer systems by allowing the normal initialization path between a memory component storing code utilized during initialization and the processor to be interrupted and test code from an external test ...