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Method for managing the assignment of device drivers in a computer system
| Details |
Inventors: Lichtman, Moshe; Enstrom, Mark R.; Lennon, Thomas E.; Lipe, Ralph A.; Santerre, Pierre-Yves; Short, Robert T.; Voth, David W.;
Assignee: Microsoft Corporation (Redmond, WA)
Primary Examiner: Lee; Thomas C.
Assistant Examiner: Perveen; Rehama
Attorney, Agent or Firm: Jones & Askew, LLP
A system for managing the assignment of device drivers to devices of a computer system. The computer system can maintain device-related information for a primary device and for devices that are "compatible" with the primary device. This device information supplies an indication of whether a device driver intended for primary use with a device is maintained by the computer system. Moreover, the device information provides an indication of whether one or more device drivers compatible with the primary device are maintained by the computer system. During assignment of device drivers to devices of the computer system, the device information is examined to determine whether the intended device driver for the primary device is available to support the operations of that device. If not, the device information is examined to determine whether a device driver for a device that is compatible with the primary device is available for supporting computer operations of the primary device. In this event, if the device information lists more than one device that is compatible with the primary device, then the compatible device having the highest priority or ranking can be selected and the device driver for the selected device is used to support the operations of the primary device. |
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DETAILED DESCRIPTION The problems associated with the manual installation and configuration of adapter boards and peripheral devices for computer systems are solved by the principles of the present invention.
The present invention provides a system for configuring the hardware and software components of a computer system by optimally allocating system resources for use by computer devices.
The present invention enables a user of a computer system to install a new device by connecting the device to the computer, powering the computer, and using the computer to take advantage of the function supplied by the new device.
Likewise, the present invention permits a user to insert a mobile computer into a base station while both the mobile computer and the base station are powered and to reconfigure the mobile computer for operation with the devices connected to the base station.
Thus, the present invention addresses the needs of computer users by supplying a computer-implemented process for configuring devices for a computer system and for accommodating seamless dynamic configuration changes of the computer system.
A system constructed in accordance with the present invention configures devices of a computer system by identifying the devices, determining the desired usage of the resources of the computer system, detecting and resolving potential conflicting uses of the resources, and allocating resources for use by the devices.
An operating system runs on the computer system and supports these configuration tasks.
The computer system includes various resources, including interrupts, direct memory access (DMA) channels, memory addresses, and input/output (I/O) ports, at least one system bus, and devices.
System busses are components that supply physical connections to devices.
Each of the devices is connected to one of the system busses of the computer system.
The system busses can be compatible with a variety of bus architectures, including the Industry Standard Architecture (ISA), Micro Channel Architecture (MCA) and Extended Industry Standard Architecture (EISA) bus standards, as well as Personal Computer Memory Card International Association (PCMCIA), Small Computer Systems Interface (SCSI), Personal Computer Interface (PCI), Enhanced Capabilities Parallel (ECP), Vesa Local Bus (VL), Integrated Drive Electronics (IDE), and other bus standards
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