Match Document Document Title
6052381 Arrangement and method for communication  
The invention relates to an adapter (10) and a method for a communication card (20), preferably a PCMCIA card, comprising communication electronics by means of a host unit (18) I/O port. The...
6047343 Method and apparatus for detecting insertion and removal of a memory module using standard connectors  
A method and apparatus for detecting insertion and removal of memory modules in a computer system using standard connectors is disclosed. A memory controller includes logic to read serial presence...
6044423 Identification of a swappable device in a portable computer  
An identification system for use in a portable computer incorporating optional swappable devices through one swap bay is disclosed. The identification system includes an ID provider provided at...
6044424 Hot-plug power supply for high-availability computer systems  
A system and method for minimizing disruption of operating power in a high-availability computer as new power supplies are hot-inserted. In the preferred embodiment, the high-availability computer...
6041375 Method and system for enabling nondisruptive live insertion and removal of feature cards in a computer system  
Method and system for controlling the state of a system bus during live insertion and removal of a pluggable feature card (FC) by driving control signals, which are transferred over the system bus,...
6038624 Real-time hardware master/slave re-initialization  
A computer system in which various system peripherals are automatically re-initialized after being hot-swapped. The reinitialization includes accommodation of any required master/slave...
6035359 Method and system for controlling message display upon insertion and removal of a PC card into and from a computer system  
In a message display control method for use in a computer system in controlling a message display upon insertion and removal of a PC (personal computer) card (17) into and from the computer system,...
6035355 PCI system and adapter requirements following reset  
A method of registering a newly added peripheral device with a computer system by responding with a status message from the device to a bus of the computer system, in response to an access attempt,...
6026458 System with pluggable adapter card and hot-swap interface controller  
A hot-swap controller for use in an electrical machine (such as a computer) includes a P-ch MOSFET device operatively coupled to a ramp generator and a sensing error amplifier. A negative feedback...
RE36522 Method and apparatus for dynamically interfacing with a plurality of peripheral ports  
A method of dynamically interfacing an application processor with a plurality of peripheral ports is shown, including the use of an expanded memory interface for controlling a plurality of memory...
6016016 Voltage supply apparatus  
A voltage supply apparatus for providing a supply voltage for electric devices in an aeroplane cabin comprises a socket (22) to which the electric device is connectable by means of a plug (38). The...
6014319 Multi-part concurrently maintainable electronic circuit card assembly  
An electronic system contains a backplane circuit card assembly for distribution of electrical signals to one or more modules. The card assembly includes a plurality of pluggably connected base...
6012114 System for preventing software of a computer system from interacting with a connector to avoid data corruption due to surprise removal of a circuit card  
A computer system has a connector and a circuit card that is inserted in the connector. A mechanism that is associated with the connector and the card has a state for indicating when the card is...
6009480 Integrated device driver wherein the peripheral downloads the device driver via an I/O device after it is determined that the I/O device has the resources to support the peripheral device  
A peripheral device operatively coupleable to a computing system which includes a processor for processing various functions relating to the operation of the peripheral device. The peripheral...
6008730 Sound warning circuit for PCI hot plug  
A sound warning circuit for PCI hot plug basically comprises: a timer that takes as inputs a fixed frequency clock and the system port B's bit 0, and which controls the system; a logic AND gate...
6006298 On-line module replacement system  
In an electronic apparatus having a plurality of printed boards or modules, an on-line module replacement system for allowing the desired of the boards to be inserted or removed while maintaining...
5996035 Hot-plug voltage and power management control using detected connection status  
Hot-plugging and power management capabilities are simultaneously provided for a connector. Circuitry is provided to control a power management terminal so that it is powered up gradually and only...
5991830 Apparatus and method for coupling multiple peripheral devices to a single port of a computer  
A system for allowing a peripheral device to be inserted directly into a port of a computer system while the computer system is powered on. The insertion of a peripheral device into the computer...
5983298 Industrial controller permitting removal and insertion of circuit cards while under power  
A circuit card of an industrial controller may be removed or inserted under power without loss of memory or disturbance to the power supplies of other modules through the use of a power failure...
5973419 Circuit and method of operation to control in-rush current and maintain power supply voltage to peripheral devices in an information system  
This apparatus and method controls and limits the flow of in-rush current and maintains a supply voltage to a peripheral device during power surges. The apparatus and method essentially isolate and...
5974490 Plural disk unit apparatus providing high-density mounting of disk units and peripheral units  
A mother board provided in a plural disk unit, which is formed with an interconnection pattern containing high speed control buses such as SCSI buses, is disposed at the central portion of a...
5974489 Computer bus expansion  
An arrangement is provided whereby an expansion card can be inserted in a multi-contact computer backplane connector and then gates provided between bus lines and respective connector contacts can...
5954809 Circuit for handling distributed arbitration in a computer system having multiple arbiters  
An arbitration scheme for a computer system having multiple arbiters for arbitrating access to a plurality of buses. In the preferred embodiment, a computer system is divided into a detachable...
5951660 Current control interface arrangement  
A current control interface arrangement includes a card circuit and a connector means. The connector means is adapted to generate, from the supply voltage terminals, an enable signal which is...
5948074 Expansion unit having a security mechanism for inhibiting attachment and disconnection of the expansion unit to and from a portable computer  
A novel expansion unit and a computer connectable to the expansion unit are disclosed. A docking station constituting the expansion unit has a locking mechanism. When a portable computer is mounted...
5948090 Method and apparatus for controlling reset of component boards in a computer system  
An apparatus controls a signal that indicates to a plug-in component board that it is to be connected to a 64-bit data path in a computer system. The apparatus comprises a timing circuit for...
5949979 Method and apparatus for dynamic addition of buses to a computer system  
A technique for dynamic addition or removal of buses to a computer system. The technique operates even though the computer system and its operating system are in use. As buses are added or removed...
5943482 Expansion card insertion and removal  
A computer system has a bus, a connector for a circuit card, and a clamp configured to selectively prevent removal of the circuit card from the connector when the clamp is engaged. The computer...
5938751 Bus ring-back and voltage over-shoot reduction techniques coupled with hot-pluggability  
A bus ring-back and voltage over-shoot reduction apparatus with capability for rendering an expansion slot of a computer system hot-pluggable, wherein a logic gate controls a switching element so...
5935228 Method for automatically enabling peripheral devices and a storage medium for storing automatic enable program for peripheral devices  
A superior method for automatically enabling a PC card whereby, when a PC card that can be driven only by a DOS/Windows 3.x device driver is inserted, the PC card is enabled by that device driver,...
5931949 Expansion port providing system power-down prior to connection of peripheral devices  
An expansion port for a processing system peripheral device provides for a system power down prior to connection of another device to the port. A number of devices in a processing system are...
5922060 Expansion card insertion and removal  
The invention features a circuit card for use with a computer system having a card slot electrically connected to a bus. The card slot has electrical contacts corresponding to lines of the bus. The...
5919253 Hot-switchable SCSI controller having output drivers with quick turn-on  
An integrated circuit provides for an output driver having a quick turn-on characteristic as well as a maximum V OH level limited to the maximum SCSI specification limit. The output driver's V OH ...
5909596 Self-configuring PC card with connector capable of using the pin configuration of an attached peripheral to identify the peripheral  
A multiple function PC card that is an input/output card providing two or more functions not used simultaneously including a PC connector for connecting the multiple function PC card to a computer,...
5907687 Power shutdown apparatus  
A computer system having a power supply, a backplane board and a system board includes a power supply shutdown apparatus. When an interlock pin disposed on an edge connector of the system board is...
5898845 Assigning and utilizing overlapping address space for multiple cards on a common computer bus  
A computer card mounted in a computer, which has at least one other card having a similar functionality to the card, with the cards being connected to a common bus. Both cards also have overlapping...
5898844 Data processing system including a hot-plug circuit for receiving high-power adaptor cards  
A hot-plug circuit for receiving a high-current load is disclosed. In accordance with a preferred embodiment of the present invention, the hot-plug circuit comprises a transistor, a capacitor, a...
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...
5894561 Adapting apparatus used in a computer ISA extension slot  
An adapting apparatus used in a computer ISA extension slot allows add-on-cards to be inserted into or pulled off without the need of turning off the power. The adapting apparatus includes an ISA...
5889965 Method for the hot swap of a network adapter on a system including a dynamically loaded adapter driver  
A software architecture for the hot add and swap of adapters. The software architecture allows users to replace failed components, upgrade outdated components, and add new functionality, such as...
5890214 Dynamically upgradeable disk array chassis and method for dynamically upgrading a data storage system utilizing a selectively switchable shunt  
A dynamically upgradeable disk array chassis, and a method for dynamically upgrading a data storage system. The dynamically upgradeable disk array chassis includes a serial bus having a first bus...
5886431 Circuit and method of operation to control in-rush current from a power supply to peripheral devices in an information system  
This apparatus and method controls and limits the flow of in-rush current to a peripheral device coupled to a main power supply unit through a power bus and a ground bus. The apparatus and method...
5881251 Hot swap control circuit  
A circuit board having a load is inserted into a chassis of a digital system while the system remains in operation. During insertion, a ground potential is provided to the circuit board. Next, one...
5875308 Peripheral component interconnect (PCI) architecture having hot-plugging capability for a data-processing system  
An enhanced peripheral component interconnect (PCI) architecture for a data-processing system is described. In accordance with the method and system of the present invention, a peripheral component...
5862350 Method and mechanism for maintaining integrity within SCSI bus with hot insertion  
A mechanism and method for quiescing a SCSI bus by asserting the busy signal just prior to the SCSI signal pins making contact or decoupling during a hot modification. A hot modification is an...
5862393 System for managing power of a computer with removable devices  
A system for managing power consumption of a computer by communicating power management events to a removable device of the computer. A device removal signal is transmitted to a device controller...
5822547 Method and apparatus for providing a portable computer with hot pluggable modular bays  
A computer system 10, such as a notebook computer, uses a modular bay 12 to receive optional devices 14. Buffer circuits 36 selectively isolate the device 14 in the modular bay from respective...
5815647 Error recovery by isolation of peripheral components in a data processing system  
The present invention provides a computer system which allows a user to identify which one of a plurality of feature cards has issued an error signal. The device issuing the error signal is then...
5812796 Support structures for an intelligent low power serial bus  
A low power, single master, variable clock rate, daisy-chainable, serial bus connects a bus dispatch (master) to a chain of one or more daisy-chained peripheral devices (slaves). The bus has a...
5809256 Soft power switching for hot installation and removal of circuit boards in a computer system  
A soft power switch for insertion and removal of a logic unit in a system during continuing operation of the system, including a current switch for each supply voltage to the logic unit that is to...