1
Robert R Carter, Paul M Garner, Darren J Cepulis, Carrie Boone: Apparatus for reducing computer system power consumption. Compaq Computer Corporation, Pravel Gambrell Hewitt Kimball & Krieger, December 25, 1990: US04980836 (268 worldwide citation)

A battery powered computer system monitors the address bus to determine when selected peripheral devices have not been accessed for a preset amount of time. When the preset amount of time has passed the system powers itself down and stops the system clock, placing it in a standby mode. The system is ...


2
Paul M Garner, Carrie Boone, Darren J Cepulis: Dynamically configurable portable computer system. Compaq Computer Corporation, Pravel Gambrell Hewitt Kimball & Krieger, May 7, 1991: US05014193 (184 worldwide citation)

A dynamically configurable computer system which includes apparatus for storing former and sensed current system configuration data and for automatically reconfiguring the system without user interaction.


3
David A Miller, Kenneth A Jansen, Montgomery C McGraw, Darren J Cepulis: Method and apparatus for resetting multiple processors using a common ROM. Compaq Computer, Pravel Hewitt Kimball & Krieger, March 5, 1996: US05497497 (51 worldwide citation)

Two design variations which allow multiple processors to start up using a single ROM. In each design, a single, primary processor is allowed to perform a complete POST while the remaining, secondary processors are directed in the course of their POST to perform a more limited initialization sequence ...


4
Scott C Farrand, Thomas J Hernandez, Richard A Stupek, Richard P Mangold, Darren J Cepulis, Paul R Fulton: Computer system having a remote reboot facility with both hard and soft reset capabilities. Compaq Computer Corporation, Johnson & Wortley, April 25, 1995: US05410706 (47 worldwide citation)

A remote system reboot facility effects reboots by resetting the central processing unit within a local or host console and by effecting a bus reset. The remote system reboot facility is actuated by signals transmitted over an asynchronous line from a remote console to a computer system manager with ...


5
Darren J Cepulis, Louis R Gagliardi: Method of booting a multiprocessor computer where execution is transferring from a first processor to a second processor based on the first processor having had a critical error. Compaq Computer, Pravel Hewitt Kimball & Krieger, February 13, 1996: US05491788 (44 worldwide citation)

A multiprocessor computer system handles the failure of one or more of its processors without totally disabling the system. On power up, all of the CPUs are deactivated except for a CPU in a first physical slot. The power on self test routines review a log of errors and determine if certain critical ...


6
Darren J Cepulis: Computer memory management method utilizing segmentation and protection techniques. Compaq Computer Corporation, Pravel Gambrell Hewitt Kimball & Krieger, September 1, 1992: US05144551 (42 worldwide citation)

A method for managing memory in a computer system utilizing Intel Corporation's method of segmentation, memory management and protection techniques. The method is directed toward loading all computer registers and segment descriptor tables from a table of prestored values in memory while operating i ...


7
David A Miller, Kenneth A Jansen, Montgomery C McGraw, Darren J Cepulis: Method for initializing a multiple processor computer system using a common ROM. Compaq Computer Corporation, Pravel Hewitt Kimball & Krieger, January 21, 1997: US05596759 (36 worldwide citation)

Two design variations which allow multiple processors to start up using a single ROM are disclosed. In each design, a single, primary processor is allowed to perform a complete POST while the remaining, secondary processors are directed in the course of their POST to perform a more limited initializ ...


8
Darren J Cepulis, Eugene Callegari: System firmware back-up using a BIOS-accessible pre-boot partition. Hewlett Packard Development Company, November 28, 2006: US07143275 (33 worldwide citation)

The disclosed embodiments relate generally to providing cost-effective data integrity in computer systems and, more particularly, to providing a back-up for system firmware in a BIOS-accessible pre-boot environment. Back-up copies of a system BIOS or other firmware are placed on a partition that is ...


9
Darren J Cepulis, Chanh V Hua, Yasir Q Hashmany, Scott T Christensen: Enclosure power controller providing plurality of power control signals to plurality of removable compute nodes based on a duty cycle of each power control signal. Hewlett Packard Development Company, Conley Rose P C, June 16, 2015: US09058155 (33 worldwide citation)

A system and method for controlling power consumption is described herein. A computer system includes an enclosure. The enclosure is configured to contain a plurality of removable compute nodes. The enclosure includes a power controller configured to individually control an amount of power consumed ...


10
Darren J Cepulis, Siamak Tavallaei, Alexander C Ekrot: Data bus having switch for selectively connecting and disconnecting devices to or from the bus. Compaq Computer Corporation, Sharp Comfort & Merrett P C, May 9, 2000: US06061754 (33 worldwide citation)

A data bus structure is disclosed. The structure includes a data bus having a bus agent connection point and a bus switch to selectively connect or disconnect the connection point to or from the data bus. A method of reconfiguring a data bus structure is also disclosed. The method includes providing ...