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6954810 Transparent switch  
A transparent switch is able to emulate the arbitration and addressing steps for devices that are normally connected to a bus-type communications network. The switch is connected to the devices in...
6952744 Computer including optical interconnect, memory unit, and method of assembling a computer  
A computer comprising a housing; a circuit board supported in the housing; a plurality of slot connectors supported on the circuit board; a first card configured for sliding receipt in one of the...
6950897 Method and apparatus for a dual mode PCI/PCI-X device  
A technique is disclosed for facilitating data processing in a computer system. The technique utilizes logic to implement a dual mode design for PCI/PCI-X computer systems that enables optimal...
6948017 Method and apparatus having dynamically scalable clock domains for selectively interconnecting subsystems on a synchronous bus  
In one form, a method for communicating among subsystems coupled to a bus of a computer system on an integrated circuitry chip includes operating subsystems at independent clock frequencies when...
6948025 System and method for transferring data between an IEEE 1394 device and a SCSI device  
An interface conversion system for improving the performance of a data transfer process that is performed between the IEEE 1394 interface and a SCSI. Data is transferred between a host device that...
6938132 Memory co-processor for a multi-tasking system  
A co-processor (also called “memory co-processor”) provides an interface to a memory, by executing instructions on data held in the memory. The co-processor uses a specified address to fetch dat...
6934789 Interface, structure and method for transmitting data of PCI bus which uses bus request signal for judging whether a device supporting dual transmission mode  
A bus data interface, structure and method for transmitting the data of a PCI bus is disclosed. The bus data interface comprises a high-bit transmitting buffer, a low-bit transmitting buffer, a...
6931461 Bus optimization based on network device communication  
Embodiments of a method and apparatus for improving bus utilization, such as for transferring data to a modem, for example, are described.
6922790 Three wire communication protocol  
Disclosed is a serial communications protocol for connecting a master and a plurality of slaves using three communication lines. The protocol establishes a method for communication between the...
6917996 Bus control system and method of controlling bus  
An external bus control device 2 has first and second bus controllers 15, 16 and an external bus arbiter 17. The bus controllers 15, 16 correspond to devices (for example, SRAM, DRAM) connected to...
6917994 Device and method for automatically generating an appropriate number of wait cycles while reading a nonvolatile memory  
An interface manages the exchange of information between a bus system and a memory during reading, according to a communication protocol. The interface has a protocol-decoding unit, which receives...
6912606 Generic serial bus architecture  
A serial bus is provided that supports multiple data transmission protocols. The serial bus allows a bus master to communicate with a variety of semiconductor devices that support a variety of...
6912607 Method and apparatus for ascertaining the status of multiple devices simultaneously over a data bus  
Techniques are provided for simultaneously ascertaining the status of a plurality of devices coupled to a data bus. A master device transmits at least one status request message over the data bus...
6910090 Maintaining communications in a bus bridge interconnect  
A method of maintaining communications in a bus bridge interconnect including a plurality of buses linked by at least one bus bridge. The method includes receiving a change indication signal from a...
6907475 Alternative implementation of vendor unique commands  
A system for implementing substantially all vendor unique commands in a host computer instead of an electronic storage device. Alternative vendor unique commands are provided to implement a remote...
6904476 Transmitter with dual protocol interface  
A two-wire process transmitter for use in monitoring an industrial process includes HART® communication circuitry and Fieldbus communication circuitry to couple to a two-wire process control loop. ...
6904468 Method for an alternative implementation of vendor unique commands  
A method for implementing substantially all vendor unique commands in a host computer instead of an electronic store device. Alternative vendor unique commands are provided to implement a remote...
6901471 Transceiver macrocell architecture allowing upstream and downstream operation  
A system wherein a signal over a Universal Serial Bus (USB) interface is received by a receiver component. A mixed signal block utilizes a mixed signal interface to transmit the signal to a...
6889265 Apparatus and method to allow and synchronize schedule changes in a USB enhanced host controller  
An apparatus and method for making changes to an active schedule being processed by a host controller is disclosed. The apparatus and method includes examining a transaction descriptor, determining...
6889282 Fieldbus connecting system for actuators or sensors  
A modular connecting system for connecting an external device to a fieldbus system includes a fieldbus-specific fieldbus interface circuit and a fieldbus-independent interface device connected to...
6880031 Snoop phase in a highly pipelined bus architecture  
A bus agent that may be used in an enhanced highly pipelined bus architecture. In one embodiment, the bus agent includes a set of snoop status interfaces, an address strobe signal interface, and a...
6880025 Efficient timeout message management in IEEE 1394 bridged serial bus network  
A method and system for TIMEOUT message management in a serial bus bridged network includes (a) implementing a register table by a portal that contains a plurality of entries for storing respective...
6877060 Dynamic delayed transaction buffer configuration based on bus frequency  
An input circuit is coupled to a first bus to transfer a delayed transaction (DT) data having a transaction identifier to one of N buffers. The input circuit is dynamically configured according to...
6877052 System and method for improved half-duplex bus performance  
A method for dynamic preemption of read returns over a half-duplex bus during heavy loading conditions involves asserting a preempt signal by a first agent to indicate that the first agent has a...
6874048 Communication system and methodology for sending a designator for at least one of a set of time-division multiplexed channels forwarded across a locally synchronized bus  
A communication system, network interface and communication port is provided that includes a media local bus. The local bus is connected between a controller and one or more multimedia devices...
6871104 Method for the production of an open-loop control block and said control block  
With a method for producing the control module, the control module is assembled from a number of program modules which are designed for one basic function in each case. Each program module has an...
6871248 Isochronous transactions for interconnect busses of a computer system  
An isochronous channel is configured on an interconnect bus between a first device and a second device. A first device requests an isochronous channel, required bandwidth, and a required service...
6871250 Data bus, particularly in motor vehicles  
The invention relates to a data bus comprising slave nodes executing functions based on addressed command telegrams of an electronic main control unit which is also connected to said data bus. The...
6868463 Audio data recording apparatus and audio data sending/receiving method of the apparatus  
The apparatus and method for transferring audio data to a data recorder adopting a personal computer bus to receive audio data enters into data communication mode over a bus without conducting...
6862646 Method and apparatus for eliminating the software generated ready-signal to hardware devices that are not part of the memory coherency domain  
The specification discloses a method and related system that allows hardware devices to participate in the coherency domain of a computer system. More particularly, hardware devices such as network...
6862643 USB compound device operates a plurality of devices by using the same USB logic circuit and the method for implementation thereof  
A Universal Serial Bus (USB) compound device and the method for implementation thereof are disclosed. The USB compound device does not include an embedded hub but simulates a hub by a circuit or...
6851003 Integrated packet bus with enhanced bandwidth  
A communications system includes a communications device, an enhanced integrated packet bus, and an integrated packet bus controller. The communications system may be a riser card, including...
6845403 System and method for storage virtualization  
The present invention is generally directed to a system and method for virtualizing storage in a networked system. In accordance with one aspect of the invention, in a system having an initiator...
6836811 Front access only CPCI computer system  
A system and apparatus for a compact peripheral component interconnect (CPCI) computer system having exclusive front card access for both active and passive CPCI cards is provided. This system is...
6834299 Method and system for automating the configuration of a storage area network  
A method and system are provided for the development and maintenance of a single configuration file for a storage area network combined with an “intelligent” script which places server con...
6826639 Hierarchical display of multilevel protocol for communication data  
A hierarchical display of protocol layers for communication data. Fields of the communication data are converted into field cells where each field cell has a text field and a field descriptor. The...
6823232 Drive controller operator interface and serial protocol  
A drive controller operator interface and serial protocol therefor are provided for controlling electric motors and other electrical devices which are typically powered by inverters that convert...
6823398 File system management embedded in a storage device  
A file system for accessing information on digital storage media is provided by a storage device controller embedded within the storage device. The storage device controller includes an interface...
6816934 Computer system with registered peripheral component interconnect device for processing extended commands and attributes according to a registered peripheral component interconnect protocol  
A high speed connection apparatus, method, and system is provided for peripheral components on digital computer systems. The peripheral component interconnect (PCI) specification is used as a...
6807585 Method and system for parsing section data  
A system and methods are shown for accommodating high-speed data retention. Multimedia packetized stream data packets are received through a receiving hardware system. Program Specific Information...
6807584 Apparatus and method for exchanging status information between boards  
An apparatus and method for exchanging information between printed circuit board assemblies of the present invention are disclosed. According to the invention, the number of address pins are...
6804734 Device and method for switching receiving/recording device in a broadcasting connection/point-to-point connection bus enviroment  
An information processing device, method thereof and a recording medium for easily switching input signals. A broadcast connection and a point-to-point connection are established between the...
6801970 Priority transaction support on the PCI-X bus  
Support for indicating and controlling transaction priority on a PCI-X bus. Embodiments of the invention provide indicia that can be set to communicate to PCI-X-to-PCI-X bridges and Completer that...
6799232 Automatic byte swap and alignment for descriptor-based direct memory access data transfers  
A physical interface card for connection to a data bus associated with a data network node is provided. The physical interface card is adapted to perform without supervision from other data bus...
6799189 System and method for creating a series of online snapshots for recovery purposes  
A method and system for creating a series of online snapshots for recovery purposes. A series of concurrent, overlapping snapshots (e.g., file snapshots or database file snapshots) may be created...
6799219 Method and apparatus for avoiding starvation in computer network  
A method and apparatus for avoiding starvation at an initiator node in a computer network to which are connected at least one target node which provides service and a plurality of initiator nodes...
6799217 Shared memory multiprocessor expansion port for multi-node systems  
A method for communicating between nodes of a plurality of nodes is disclosed. Each node includes a plurality of processors and an interconnect chipset. The method issues a request for data from a...
6785746 Dual-channel SCSI chips and methods for configuring separate interoperability of each channel of the SCSI chip  
A method for utilizing a multi-channel SCSI chip capable of controlling different types of devices is disclosed. A first channel control is set and a second channel control is set in the SCSI chip....
6785754 Integrate serial port plug and play into simple signaling communication type UPS  
In the present invention, a DSR of the serial port is coupled to a DTR of the serial port for responding to a detecting signal from a host computer. A RTS signal of the serial port is at a high...
6785753 Method and apparatus for response modes in pipelined environment  
A pipelined network is disclosed which provides for at least one mode to control the state of a response flag and when the target device is unable to respond to an initiator device request.