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5996017 Method for information exchange in the customer/server mode between stations connected by a communication network  
A method for information exchange in the customer/server mode between stations connected by a communication network is described. An emulated server (SEM) is provided at at least certain stations....
5991532 Method and apparatus for converting multimegabit-rate data into asynchronous transfer mode cells and vice versa  
A method that converts multimegabit-rate data into asynchronous transfer mode ATM cells and vice versa which are utilized in a switching system. The method includes determining whether the data is...
5991530 Interface device receivable in card storage device slot of host computer  
The present invention relates to a data processing device which is also used as an interface device for connecting an external storage device to a host computer to which a card form of storage...
5987531 Control board system including a removable terminal stand which can easily conform to different specifications and power sources  
A control board includes a plate 7 for the control board including a first printed board for mounting a control section 56 and a first connecter 9; and a removable terminal stand plate 1 including...
5983012 Executing programs of a first system on a second system  
An emulator executes on a second data processing system as a second system user level process including a first system user level program, a first system executive program, and first system user...
5983367 Microprocessor having a CPU and at least two memory cell arrays on the same semiconductor chip, including a shared sense amplifier  
A CPU can selectively execute a normal processing mode and a debugging mode on the basis of a control signal sent from a control unit. A first memory cell array is accessed in the normal processing...
5974249 Zero footprint method and apparatus for expanding allocated memory space of a process using a virtual memory area  
The invention is an apparatus and computer method for controlling the operation of a computer running under an operating system such as WINDOWS® 95 and WINDOWS® NT operating system, or their...
5970240 Method and apparatus for configurable memory emulation  
A configurable method and apparatus for implementing the various large memory instances commonly found in a user's design in a hardware logic emulation system is disclosed. No external boards or...
5963736 Software reconfigurable target I/O in a circuit emulation system  
A time-sliced hardware-based emulator including at least one of: programmable I/O assignment; programmable levels of DC voltage; programmable pull-up or pull-down resistors in the emulator on a...
5930495 Method and system for processing a first instruction in a first processing environment in response to intiating processing of a second instruction in a emulation environment  
A method and system are disclosed in a first data processing system for processing a first instruction in response to an initiation of processing of a second instruction in an emulation...
5901315 Method for debugging a Java application having native method dynamic load libraries  
A method for debugging a target application comprising Java code having native method dll's associated therewith. The method is carried out in a computer having an operating system, a system debug...
5898861 Transparent keyboard hot plug  
A computer system that provides for transparent plugging and unplugging of a keyboard independent of system operation. A virtual keyboard device communicates with the system keyboard controller...
5896513 Computer system providing a universal architecture adaptive to a variety of processor types and bus protocols  
A computer system providing a universal architecture includes a processor card connected to a system bus of a host computer system. The processor card is adapted for insertion into a slot of the...
5892683 Program compatibility recognition for a programmable logic device  
A program compatibility recognition system for an integrated circuit. A programming device 4, including programming software 8, is used to program an integrated circuit 2 such as a field...
5889978 Emulation of interrupt control mechanism in a multiprocessor system  
A multiprocessor computer system that includes an emulation feature for lowest priority processor software compatibility while providing fault tolerance includes first and second processors coupled...
5889977 Method and apparatus for ensuring feature compatability and communicating feature settings between processors and motherboards  
A handshake mechanism is provided to allow feature compatible processor and motherboard combinations to operate, and incompatible combinations to fail safely. The handshake mechanism also...
5890002 System and method for bus master emulation  
A system and method in accordance with the invention allows the emulation of a DMA transfer between a device such as a CD-ROM which is incapable of a bus-mastering mode of operation (e.g., a DMA...
5884064 System for emulating a virtual path in an ATM network  
A facility for mapping a plurality of different Virtual Circuit Channels (VCC) into a single VCC is provided for use in a data network. In operation, the facility assembles, in turn, data cells...
5881267 Virtual bus for distributed hardware simulation  
Virtual bus stubs, which can be distributed among constituent computers of a computer network, and a central resolver cooperate to simulate a bus which is connected between multiple circuit parts...
5881269 Simulation of multiple local area network clients on a single workstation  
Multiple users are emulated in a network environment by means of a multithreaded process in a client workstation. A plurality of client threads and associated network request queues are provided....
5877942 Circuit card assembly footprint providing reworkable interconnection paths for use with a surface mount device  
A circuit card assembly is provided for use in testing a system wherein the circuit card assembly employs a surface mount device such as a field programmable gate array. The circuit card assembly...
5878282 Portable information device and system and method for downloading executable instruction from a computer to the portable information device  
A system is provided to exchange information between a computer and a programmable portable information device (PID) using a standard memory drive, such as a 3.5" disk drive or a PCMCIA port. The...
5878246 System for linking an interposition module between two modules to provide compatibility as module versions change  
Apparatus that provides additional flexibility for a computer interface that serves two computer subsystems, when at least one of these subsystems undergoes a change, such as a new version, a...
5848267 Computer system speed control using memory refresh counter  
A computer system which provides for slowing the effective speed of a microprocessor. The microprocessor includes a disabling input that when deactivated disables operations of the microprocessor...
5838948 System and method for simulation of computer systems combining hardware and software interaction  
A system for simulation of target electronic systems combining interacting elements of hardware and executing software, in part by physical emulation means and in part by abstract software...
5835750 User transparent system using any one of a family of processors in a single socket  
A digital computer system having a socket capable of accepting any one of a family of processors, the family being defined as those processors having commonality of their respective basic...
5828855 Socket simulation protocol for network printing systems  
A network printing system is provided for allowing a single channel connection to support multiple channel connections when implemented over a direct connect, non-network device. More particularly,...
5828884 Method for compiling a software program and executing on a system which converts data between different endian formats  
A method for compiling a software program and executing the program on a data processing system which performs conversion between data formatted in differing endian formats, namely big-endian and...
5828829 System test support system and system test support method  
An objective of the present invention to provide a system test support system and a system test support method which allows a developer to make a significant test even when the input contents are...
5826059 Microcomputer for emulation  
A microcomputer for emulation which has been conventionally unusable when built-in RAM capacities are different, because an access to an internal function circuit is different in bus control, wait...
5826017 Apparatus and method for communicating data between elements of a distributed system using a general protocol  
Apparatus and methods for communicating using protocols. The apparatus and methods employ protocol descriptions written in a device-independent protocol description language. A protocol is executed...
5822563 Process for simulating a server architecture from a client architecture  
The invention relates to a process for simulating, in a network, a server architecture from a client architecture in a first machine (PS) for the execution of remote procedure calls (RPC sent by at...
5819071 Remote simulation of data transmission  
A user machine simulates data transmission by remotely accessing and starting up a remote machine, and communicating the data transmission method to be simulated to the remote machine. The remote...
5819064 Hardware extraction technique for programmable reduced instruction set computers  
A new class of purpose computers called Programmable Reduced Instruction Set Computers (PRISC) use RISC techniques a basis for operation. In addition to the conventional RISC instructions, PRISC...
5819067 Computer system configured to translate a computer program into a second computer program prior to executing the computer program  
A computer system is provided which includes at least two microprocessors. The first microprocessor is configured to translate instructions from an original computer program coded in a first...
5819063 Method and data processing system for emulating a program  
A method and data processing system for emulating a program are disclosed. According to the present invention, the data processing system runs under a first operating system and emulates the...
5812823 Method and system for performing an emulation context save and restore that is transparent to the operating system  
A system and method for performing an emulation context switch save and restore in a processor that executes host applications and emulates guest applications. The processor includes an operating...
5812825 Integrated console and console apparatus and method for use thereof  
An integrated console connected to a plurality of computer systems for sending a command entered from an input device to one of the computer systems which executes commands corresponding to the...
5812822 Apparatus for coordinating clock oscillators in a fully redundant computer system  
A redundant computer system including two systems capable of independent operation. The two systems correspondingly employ two independent clock generation and distribution (CGD) units which each...
5812819 Remote access apparatus and method which allow dynamic internet protocol (IP) address management  
A user at a remote computer is provided access to a computer network by a remote access device coupled to the network. The remote access device receives from the remote computer a username which...
5812826 Method and apparatus for emulating a network of state monitoring devices  
A method and apparatus for emulating a change-of-state (COS) report network fully tests a monitor and/or control system (MCS). The communication and behavior of a COS report network are emulated...
5809559 System and method utilizing a virtual addressing buffer circuit to emulate a device which is physically not present  
A method and apparatus using a virtual addressing buffer circuit afford address mapping and control flexibility to provide a unique opportunity for device emulation and software debugging. The...
5809233 Method of mapping from ATMARP to NHRP  
The present invention is directed to a method of resolving protocol addresses using new protocols. Gateways that map ATMARP packets to NHRP packets are placed in the network to make translations...
5809282 Automated network simulation and optimization system  
A system for selecting options for modifying a network architecture in accordance with user preferences using a knowledge base and a database. The knowledge base includes rules to select...
5805470 Verification of instruction and data fetch resources in a functional model of a speculative out-of order computer system  
A system and method for verifying the correct behavior of instruction and data fetches and the order of instruction and data fetch resource modifications by a speculative and or out-of-order...
5802345 Computer system with a reduced number of command end interrupts from auxiliary memory unit and method of reducing the number of command end interrupts  
A computer system which includes a host machine having a memory and a CPU with an interrupt handling feature, an auxiliary memory unit for recording and reproducing data and an input/output unit...
5802351 Data interface  
A data buffer (23) is positionable between processing devices, such as microcontroller (21) and a digital signal processor (22). Messages are transmitted between the devices via a dual port RAM...
5802350 System and method for selecting an interrupt system based upon the operating system of a multiprocessor system  
A system and method for allowing different operating systems to be utilized in a multiprocessing system is provided in which each of the different operating systems requires different types of...
5802347 Emulator with function for detecting illegal access to special function register  
An interface section controls a communication interface between an in-circuit emulator and a host computer. A CPU core board for emulating a CPU core section of the computer has therein a special...
5802318 Universal serial bus keyboard system  
A keyboard system according to the present invention includes a serial bus host controller coupled to a serial bus keyboard. The keyboard includes both keyboard scan logic and scan code conversion...