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Patent # Description
US-5,574,952 Data storage system and method for operating a disk controller including allocating disk space for compressed data
A data storage system and method for operating a disk controller, and also a disk controller operated in accordance with the method are disclosed. The method...
US-5,574,951 System for providing a time division random access including a high speed unidirectional bus and a plurality of...
A novel high speed unidirectional bus system is provided for receiving a plurality of novel circuit card assemblies in receptacles on the bus. Adjacent...
US-5,574,950 Remote data shadowing using a multimode interface to dynamically reconfigure control link-level and...
A remote copy system incorporates dynamically modifiable ports on the storage controllers such that those ports can operate either as a control unit link-level...
US-5,574,949 Multi-access local area network using a standard protocol for transmitting MIDI data using a specific data...
In a multi-access local area network, a plurality of stations employing a predetermined protocol (e.g., a protocol based on a CSMA/CD system) are linked together...
US-5,574,948 Method for separating jumpless add-on cards having identical I/O port onto different I/O ports by using...
A method of separating jumpless add-on cards having identical I/O ports onto different I/O ports by first providing a special comparator in the hardware and then...
US-5,574,947 Data communication cable for a data terminal for simultaneously connecting multiple peripheral devices and...
A splitter cable provides a means for simultaneously connecting a data terminal's communications port to a plurality of peripheral devices. The cable provides...
US-5,574,946 Data transmission system using independent adaptation processes associated with storage unit types for directly...
A data transmission system between a computer bus and a large number of data storage units connected to one another by a specific connection to which the system...
US-5,574,945 Multi channel inter-processor coupling facility processing received commands stored in memory absent status...
A computer system with a coupling facility is provided with a plurality of processors and a plurality of intersystem channels coupled to the processors via a...
US-5,574,944 System for accessing distributed memory by breaking each accepted access request into series of instructions by...
A distributed memory I/O interface 10 is provided which allows a plurality of standard peripheral bus I/O controllers 101 to perform multiple transfer operations...
US-5,574,943 Gate-A20 and CPU reset circuit for mircroprocessor-based computer system
A computer system includes a chipset which controls the gate-A20 signal and the CPU RESET signal in a conventional manner in response to commands from a system...
US-5,574,942 Hybrid execution unit for complex microprocessor
A hybrid execution unit for executing miscellaneous instructions in a single clock cycle. The execution unit receives either integer or floating point data, and...
US-5,574,941 Computer architecture capable of concurrent issuance and execution of general purpose multiple instruction
A system for issuing a family of instructions during a single clock includes a decoder for decoding the family of instructions and logic, responsive to the...
US-5,574,940 Data processor with quicker latch input timing of valid data
A data processing apparatus includes a first data holding circuit, a second data holding circuit, a signal processing circuit, and a control circuit. The first...
US-5,574,939 Multiprocessor coupling system with integrated compile and run time scheduling for parallelism
In a parallel data processing system, very long instruction words (VLIW) define operations able to be executed in parallel. The VLIWs corresponding to plural...
US-5,574,938 Allowed operational-link transceiver table verifies the operational status of transceivers in a multiple...
A system for the transmission of information between elements of a data processing complex and a method for establishing such a system. Two elements of a data...
US-5,574,937 Method and apparatus for improving instruction tracing operations in a computer system
A computer processor which provides special bus cycles during tracing operations one of which cycles provides the address of a command on the bus which initiates...
US-5,574,936 Access control mechanism controlling access to and logical purging of access register translation lookaside...
An access control apparatus in a computer system for controlling access to an ALB. A host ALBID register and a guest ALBID register is provided for storing a...
US-5,574,935 Superscalar processor with a multi-port reorder buffer
A multi-port register contains a plurality of cells each capable of storing at least two states. The cells contain at least one read and one write port. Each...
US-5,574,934 Preemptive priority-based transmission of signals using virtual channels
A computer system for transmitting two or more types of signals. Each type of signal is assigned a priority level. Signals of a particular type are transmitted...
US-5,574,933 Task flow computer architecture
A computer architecture has a plurality of processing cells interconnected to perform programming tasks. Each cell contains both memory and processing elements....
US-5,574,932 One-chip microcomputer and program development/evaluation system therefor
A one-chip microcomputer having a mode setting circuit 40a in a first MCU 1a and a second MCU 1b for setting either a first evaluation operation mode under which...
US-5,574,931 Interconnection process and system for the control of messages in an array of processors having a parallel...
The invention relates to a process for controlling the circulation of messages in a ring network, in which the data are consecutively supplied, which ensures a...
US-5,574,930 Computer system and method using functional memory
A computer system has a central processing unit and a functional memory coupled to the central processing unit's memory access circuitry. The functional memory...
US-5,574,929 Processor circuit comprising a first processor, a memory and a peripheral circuit, and system comprising the...
Personal computers, a first processor and a second processor belonging to a processor circuit such as a PC card, communicate with one another via a quasi...
US-5,574,928 Mixed integer/floating point processor core for a superscalar microprocessor with a plurality of operand buses...
A processor core for supporting the concurrent execution of mixed integer and floating point operations includes integer functional units (110) utilizing 32-bit...
US-5,574,927 RISC architecture computer configured for emulation of the instruction set of a target computer
A RISC architecture computer configured for emulating the instruction set of a target computer to execute software written for the target computer, e.g., an...
US-5,574,926 One-chip microcomputer system having function for substantially correcting contents of program
A one-chip microcomputer system includes a one-chip microcomputer, a nonvolatile memory which can electrically rewritably store changing data of a program stored...
US-5,574,925 Asynchronous pipeline having condition detection among stages in the pipeline
A condition detector for an asynchronous pipeline. Each stage in the pipeline includes a storage element for storing a single bit of data indicating whether or...
US-5,574,924 Vector processing device that utilizes post marks to ensure serialization of access requests of vector store...
A vector processing unit includes a vector unit having a plurality of operation pipelines and a vector register connected to the plurality of operation...
US-5,574,923 Method and apparatus for performing bi-endian byte and short accesses in a single-endian microprocessor
A method and apparatus for performing bi-endian byte and short accesses in a single endian microprocessor. The present invention is used in a microprocessor or...
US-5,574,922 Processor with sequences of processor instructions for locked memory updates
A system and method for executing sequences of instructions which can be used to access a memory location in a locked fashion. The first instruction specifies an...
US-5,574,921 Method and apparatus for reducing bus noise and power consumption
In a computer system comprising a plurality of subsystems, interconnected by a bus comprising bit drivers and bit receivers, data words are transmitted on the...
US-5,574,920 Method for controlling power down of a hard disk drive in a computer
An integrated device electronics (IDE) driver 40 operating in conjunction with a Basic Input/Output System (BIOS) driver (14), wherein both the IDE driver (40)...
US-5,574,919 Method for thinning a protocol
A method for simplifying computer protocols is disclosed which offers advantages in reducing the memory and processing requirements for invoking the protocol. In...
US-5,574,918 Method and apparatus for configuring computer program from available subprograms
A graphic program configuration system is described that allows a user to create complete computer programs. In particular, the present invention improves on the...
US-5,574,917 Method for information communication between concurrently operating computer programs
A method of communication in a computer system is provided for transferring information between multiple, concurrently operating programs, each of which may have...
US-5,574,915 Object-oriented booting framework
An object-oriented framework contains program code for booting a processor with a volatile storage from an attached non-volatile storage. The framework provides...
US-5,574,914 Method and apparatus for performing system resource partitioning
An apparatus and method for managing a number of data processing resources to produce one or more independent and separate data processing partitions. Each...
US-5,574,913 Control unit for a computer system comprising a plurality of CPU's having different instruction properties
CPUs are grouped into a plurality of groups of CPUs. CPUs of a particular group have a similar instruction configuration, but their instruction properties are...
US-5,574,912 Lattice scheduler method for reducing the impact of covert-channel countermeasures
A method for scheduling processes for execution in a computer system organizes the processes into run queues in accordance with the respective secrecy classes of...
US-5,574,911 Multimedia group resource allocation using an internal graph
An intelligent system for the efficient selection and allocation of the various types of resources available in a multimedia environment. The system interrelates...
US-5,574,910 Method for segmenting data packets to form binary decision trees which determine filter masks combined to...
A packet processing method and apparatus efficiently process a binary data packet based upon information contained in the header portion of the packet. The...
US-5,574,909 Apparatus and method for data search using selected or representative data sample
The invention relates to searching for a desired data item within a group of data. Representative samples among a group of data to be searched are displayed, and...
US-5,574,908 Method and apparatus for generating a query to an information system specified using natural language-like...
Computerized tools for modeling database designs and specifying queries of the data contained therein. Once it is determined that an information system needs to...
US-5,574,907 Two-pass defragmentation of compressed hard disk data with a single data rewrite
A method and apparatus for defragmenting compressed file data stored on a disk. The method includes a first pass in which the FAT and MDFAT entries for each file...
US-5,574,906 System and method for reducing storage requirement in backup subsystems utilizing segmented compression and...
In a client/server environment, a method and means for reducing the storage requirement in the backup subsystem and further reducing the load on the transmission...
US-5,574,905 Method and apparatus for multimedia editing and data recovery
A specialized linked-list editing structure is used to order multimedia file segments in a multimedia file to be edited. Each multimedia file segment is...
US-5,574,904 Database management system in an intelligent network using a common request data format
A service control point of an intelligent telephone network has an application interface platform for managing a database and a plurality of service application...
US-5,574,903 Method and apparatus for handling request regarding information stored in a file system
In a computer including at least one caller adapted to request access to a storage media, the storage media being organized according to one of at least one file...
US-5,574,902 Efficient destaging of updated local cache pages for a transaction in a multisystem and multiprocess database...
An efficient procedure for determining the set of buffer pool database pages that must be externalized to stable storage and for scheduling their write I/O's...
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