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7617345 Prioritization of interrupts in a storage controller based on interrupt control directives received from hosts  
A storage controller receives an interrupt control directive from a host. The storage controller generates a first plurality of interrupts, in response to access requests received from the host for...
7613860 Prioritization of interrupts in a storage controller based on interrupt control directives received from hosts  
A storage controller receives an interrupt control directive from a host. The storage controller generates a first plurality of interrupts, in response to access requests received from the host for...
7539803 Bi-directional interface for low data rate application  
A bi-directional single-conductor interface is provided, comprising (1) a switching means for applying a voltage level to the interface that is outside a normal voltage operating range for the...
7530053 Methods utilizing a debugging proxy  
A debugging proxy can be used to manage communication between a client and a debugger or debugging component. A debugging protocol can be used by the debugging proxy to facilitate communication...
7523324 Method and apparatus for improving bus master performance  
A method and apparatus are disclosed for performing dynamic arbitration of memory accesses by a CPU and at least one bus master interface module based on, at least in part, monitoring a CPU...
7516258 Electronic apparatus and control method  
An electronic apparatus includes a memory, first and second bus masters, a counting unit and a control unit. The first and second bus masters are capable of accessing the memory. The counting unit...
7500042 Access control device for bus bridge circuit and method for controlling the same  
An access control device having a number-of-waits setting circuit determining a wait periodicity corresponding to an operating speed of peripheral devices connected to a second bus according to an...
7426621 Memory access request arbitration  
A method includes receiving a first memory access request from a first device during a first interval. The first memory access request is to access a first page of a multiple-page memory. The...
7409480 Electronic equipment, method of receiving data, method of transmitting data, method of setting channel and method of grouping electronic equipment into channels  
It becomes possible for a user to set a transmission or reception channel arbitrarily and easily. Each of equipment connected to an IEEE 1394 bus may include a register provided within a RAM 113 ...
7406555 Systems and methods for multiple input instrumentation buses  
Systems and methods for multiple input instrumentation buses are disclosed. In one embodiment, a bus assembly includes a control module adapted to be coupled to a network, and a plurality of nodes...
7325082 System and method for guaranteeing transactional fairness among multiple requesters  
A system and method for guaranteeing transactional fairness among multiple requesters contending for a common resource in a cache-coherent multiprocessor system is described. Batch processing is...
7246186 Mobius time-triggered communication  
In one embodiment, a node comprises a first network interface and a second network interface. The node further comprises a first bus guardian that asserts a first bus guardian signal when the...
7162426 Computer motherboard architecture with integrated DSP for continuous and command and control speech processing  
The invention is essentially a motherboard design for personal computers which uses DSP hardware in conjunction with a general or specific purpose CPU to process command and continuous speech. The...
7159060 PCI standard hot-plug controller (SHPC) with user programmable command execution timing  
According to embodiments of the present invention, a peripheral component interconnect (PCI) standard hot-plug controller (SHPC) includes a command register to store PCI slot operation commands for...
7149839 Wireless USB hardware scheduling  
In wireless USB data transfers over UWB, software configures hardware thresholds to control data transfer in a manner that uses bandwidth for good connections over bad connections, given the high...
7107376 Systems and methods for bandwidth shaping  
Systems and methods for controlling access by a set of agents to a resource, where the agents have corresponding priorities associated with them, and where a monitor associated with the resource...
7016995 Systems and methods for preventing disruption of one or more system buses  
A system prevents disruption of one or more system buses. The system monitors communication on the one or more system buses during an input mode and an output mode and detects changes between the...
6996646 Bus system  
A bus system has a bus, a number of units which can be connected to one another via the bus, and a bus controller. The units request the bus controller for bus access when they require a connection...
6970986 Software based system and method for I/O chip hiding of processor based controllers from operating system  
An invention is provided for hiding an input/output device from an operating system. A window of time is provided wherein a specific input/output processor (IOP) has exclusive access to a bus. An...
6915366 Computer system with a communication bus  
A bus has a local section ( 10 a,b ) and a shared section ( 11 a,b ). An arbiter circuit ( 16 ) issues an arbited grant ( 25 ) to access the shared section ( 11 a,b ) in response to a request ( 22...
6910088 Bus arbitration using monitored windows of time  
A method for use with a computer system includes permitting a first bus agent to access a bus during predetermined windows of time and preventing a second bus agent from accessing the bus outside...
6894986 Transmission managing apparatus for managing a transmission state of information  
A transmission managing apparatus included in an information transmitting system comprising a communication bus (B), an indicating device (NI), which has a transmission state memory ( 5 ) for...
6842808 Data exchange between users connected by a bus system and having separate time bases  
A method and device for the exchange of data in messages between at least two users which are connected by a bus system and have separate time bases, the messages containing the data being...
6826641 Apparatus and method of data processing through serial bus  
Data is received which is transmitted through a serial bus in a predetermined transmission band. The serial bus is preferably in conformity with the IEEE 1394 standards. One of recording modes for...
6823140 Optical computer bus with dynamic bandwidth allocation  
A signal communication device for use within a computer includes a set of optical fibers configured to form an optical computer bus between a set of computer sub-system elements of a computer. A...
6810460 AMBA bus off-chip bridge  
An application specific integrated circuit, ASIC, having an advanced high-speed bus, AHB, operating in Advanced Microcontroller Bus Architecture, AMBA, and a bridge for connecting to an off-chip...
6765924 Networking method and apparatus using silent slots to facilitate transmission collision detection  
A networking method is disclosed. At least one silent slot is included in either a collision detection prefix disposed before a preamble of one or more frames of data to be transmitted across a...
6763439 Disk throttling and priority queuing for streaming I/O  
A system is configured to prioritize streaming disk I/O over non-streaming disk I/O by providing high priority queuing to streaming disk I/O and/or to throttle non-streaming disk I/O when the total...
6742064 Programmable throttle circuit for each control device of a processing system  
A processing system comprises: a shared system resource; a plurality of control devices, each assignable with a task having a predetermined maximum time to complete, the control devices time...
6741096 Structure and methods for measurement of arbitration performance  
Circuits and associated methods for operation thereof for gathering real-time statistical information regarding operation of the arbiter circuit in a particular system application. The real-time...
6728810 Data processing apparatus and bus control method therefor  
A multimedia bus is an internal bus for which two transfer modes, a band-guaranteed cycle and an event-driven type asynchronous (async) cycle, are defined. In the band-guaranteed cycle, stream data...
6675268 Method and apparatus for handling transfers of data volumes between controllers in a storage environment having multiple paths to the data volumes  
In a storage environment or storage area network having multiple host devices and at least one storage array, the host devices access logical data volumes stored on the storage array through array...
6654833 Bus arbitration  
A method for use with a computer system includes permitting a first bus agent to access a bus during predetermined windows of time and preventing a second bus agent from accessing the bus outside...
6594718 Arbitration scheme for equitable distribution of bandwidth for agents with different bandwidth requirements  
A device for arbitrating access to a resource by a plurality of agents includes logic configured to associate requesting ones of the agents with access tokens. The number of the access tokens...
6594239 Transmission managing apparatus, information processing apparatus and information transmitting system  
A transmission managing apparatus included in an information transmitting system comprising a serial bus, an IRM node, which has a resource register for storing a channel used for an information...
6584526 Inserting bus inversion scheme in bus path without increased access latency  
A technique to reduce accumulated latencies in bus transmission time when a bus inversion scheme is employed. The bus inversion scheme inverts all the data bits whenever more than one-half of the...
6513083 Hierarchical bus arbitration  
A method and apparatus allowing two independent arbiters which do not directly talk to one another to function on a common system bus, allowing efficient operation of a master controller, and...
6484221 Bus extension for multiple masters  
A network bus for interconnecting a plurality of medical devices is described in which the devices are provided with modules adapted to communicate along the bus. Some of the devices are capable of...
6446151 Programmable time slot interface bus arbiter  
A method and apparatus allowing two independent arbiters which do not directly talk to one another to function on a common system bus, allowing efficient operation of a master controller, and...
6438629 Storage device buffer access control in accordance with a monitored latency parameter  
A memory subsystem includes a buffer, a storage device, a buffer access determining mechanism, a request communicator, and a disk input/output subsystem. The buffer comprises a buffer channel...
6425031 Method for exchanging signals between modules connected via a bus, and a device for carrying out said method  
To transfer information between modules which are connected to a common bus, the module that wants to send information sends a request signal via a common bus request line. The module (bus master)...
6401145 Method of transferring data using an interface element and a queued direct input-output device  
A method of transferring data in a network computing environment having a controlling program and a main storage in processing communication with an interface element including one or more...
6374244 Data transfer device  
A data transfer device for transferring plural asynchronous data processed and input/output at different rates includes a memory for storing data. The memory is shared between first through fourth...
6345326 Computer program device and product for timely processing of data using a queued direct input-output device  
A computer program device and product is provided for timely processing of data. The computer program device comprises a program storage device readable by a digital processing apparatus and a...
6345325 Method and apparatus for ensuring accurate and timely processing of data using a queued direct input-output device  
A method and an apparatus for timely and accurate processing of data in a network computing environment controlled by a running program and having a queuing mechanism established in a main storage....
6311242 Method and apparatus for supporting dynamic insertion and removal of PCI devices  
Improved techniques for controlling buses of a computer system are disclosed such that peripheral devices (and/or their associated buses) can be connected or disconnected to the computer system...
6301604 Multimedia server  
Multimedia applications including a video and an audio are transmitted at respective adapted transfer rates in a server connected with a networks. The server operates on an operating system which...
6286071 Communication control method, communication system and electronic device used therefor  
A communication system includes a communication control section which may receive bus use requests of both of a DV camera/recorder (50) which becomes an output machine on a serial bus (60D) and a...
6175930 Demand based sync bus operation  
A register associated with the architected logic queue of a memory-coherent device within a multiprocessor system contains a flag set whenever an architected operation--one which might affect the...
6078975 Data input/output apparatus, data input/output method, data recording and reproducing apparatus, and data recording and reproducing method  
A data recording and reproducing apparatus capable of coping with various applications has been difficult to be realized. In the data recording and reproducing apparatus, a plurality of first...
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