Hewlett-packard Development Company, L.P.

Kirk Yates

Thane Michael Larson

Andrew Michael Cherniski

Sachin Navin Chheda

Ricardo Ernesto Espinoza-Ibarra

Kirk Michael Bresniker

Naysen J Robertson

Kevin Edward Boyum

Nitin C Bhagwath

Benjamin Thomas Percer

Rodrigo Bainotti

A component for insertion into a hole in a multiple-layer substrate enables impedance matching of the substrate. The component comprises a conductive ground core arranged to extend through multiple-layers of the substrate when the component is inserted, a dielectric layer laterally encasing the conductive ground core, and a signal conductor layer coupled lateral to the dielectric layer.

Component for impedance matching

A method of recovering overflowed data at a first I2C source port buffer on an I2C router having a second I2C source port buffer and a destination port I2C bus. The method comprises: requesting resend of said overflowed data to the first I2C source port buffer; receiving the overflowed data at the first I2C source port buffer; capturing the destination port I2C bus and transmitting all data from the first I2C source port buffer to the destination port I2C bus.

Method of overflow recovery of I2C packets on an I2C router

The present invention provides systems and methods for performing frequency margin testing of a computer system, such as a server. A system of the invention can include a controller, e.g., a BMC, internal to the computer system and a digital frequency synthesizer that can communicate with the controller and can apply clock frequency to marginable components of the computer system. In response to commands from the controller, the synthesizer generates one or more test frequencies that are applied to one or more of the marginable components. The response of the system to each of the test frequencies is then monitored.

Use of I2C programmable clock generator to enable frequency variation under BMC control

An inter-integrated circuit port for providing increased security. An electrical connector for communicative coupling to an inter-integrated circuit bus is provided. A controller coupled to the electrical connector operates to control data communication through the electrical connector based on control information. A mask coupled to the controller provides the control information to the controller.

Inter-integrated circuit bus router for providing increased security

A power distribution system comprises a flexible power connector, a printed circuit board, a power supply, and a processor mounted on the printed circuit board. The flexible power connector comprises a first end electrically connected to the processor and a second end electrically connected to the power supply. The flexible power connector is configured with a length so that the power supply is in a spaced relationship relative to the processor and the flexible power connector includes a plurality of stacked layers arranged generally parallel to each other for distributed power transmission. These layers include at least two ground layers and at least one power layer. The power layer is sandwiched between two of the at least two ground layers.

Power distribution system

A converter assembly comprises a backplane interface to a backplane compliant with a first open architecture modular computing system standard, a component interface capable of coupling to a component compliant with a second open architecture modular computing system standard, and a control element. The control element is coupled between the backplane interface and the component interface and is capable of programmably routing connection lines and signals between the component interface and the backplane interface.

Form factor converter and tester in an open architecture modular computing system

A method of transmitting data through an I2C router from a source port to a destination port, the method comprising: receiving data in a first I2C source port buffer of the I2C router; capturing the I2C destination port before the first I2C source port buffer has overflowed; and transmitting the data from the first I2C source port buffer to the I2C destination port while restricting transmission from the second I2C source port buffer to the I2C destination port.

Method of transmitting data through an 12C router

An electrical device having an enclosure in which noise is parasitically induced in a wire located in the interior of the enclosure is disclosed. The electrical device has an entry connector for mating the wire with an external connector at which a transmission line terminates for preventing the induced noise from being emitted from the device enclosure via the transmission line. The electrical device comprises a printed circuit board (PCB) adapted to be mounted adjacent to an opening in a wall of the enclosure, a receptacle, integral with the PCB, configured to mate with the external connector, a first conductive path coupling the transmission line with the wire when mated, and capacitors mounted on the printed circuit board radially disposed around the receptacle and adapted to be electrically coupled to the external connector when mated. The electrical device further comprises a second conductive path coupling the capacitors to a low potential sink.

Filtering electromagnetic interference from low frequency transmission lines at a device enclosure

Embodiments of the present invention provide a system and method for detecting if a device is coupled to an inter-integrated circuit (I2C) router and/or for resetting the device. The I2C router comprises a first I2C bus port having a presence line and/or a reset line. The I2C router further comprises a control logic coupled to and/or distributed within the first I2C bus port. The control logic may determine if a device is coupled to the I2C router as a function of a state of the presence line. The control logic may also determine if a reset condition exists. If a reset condition exists, the control logic changes the state of the reset line, thereby causing the device to reset itself.

System and method for presence detect and reset of a device coupled to an inter-integrated circuit router

A circuit that allows selection of a power source among a plurality of power sources is disclosed. In an embodiment, either one or both voltage sources Vand Vmay be available in a system. If both sources are available, then the circuit enables the system to use source V. However, if only one of the two sources is available, then the circuit enables the system to use that available source.

Growing community of inventors

Loomis, CA, United States of America

Kirk Yates