Electrical computers and digital data processing systems: input/ – Intrasystem connection – Bus expansion or extension
Reexamination Certificate
2005-12-12
2008-11-04
Auve, Glenn A (Department: 2111)
Electrical computers and digital data processing systems: input/
Intrasystem connection
Bus expansion or extension
C710S104000
Reexamination Certificate
active
07447822
ABSTRACT:
A hot-plug control system and method is applied to a computer device, wherein the computer device is provided with a PCI-E (Peripheral Component Interconnect Express) bus, at least one PCI-E slot having a power switch and an indicator light, a power control unit and a driver. The hot-plug control system at least includes a signal control module for generating an interrupt signal; a detection module for detecting the status of the PCI-E slot and the power switch corresponding to the PCI-E slot in response to the interrupt signal; a control module for allowing power to be provided to the PCI-E slot and the indicator light corresponding to the PCI-E slot to be illuminated when the detection module detects that a new expansion card has been inserted in the PCI-E slot and the corresponding power switch has been actuated; and a drive module for loading the driver to drive the inserted expansion card. According to the present invention, the PCI-E hot-plug function could be achieved in different kinds of computer devices.
REFERENCES:
patent: 2005/0246460 (2005-11-01), Stufflebeam, Jr.
patent: 2006/0047984 (2006-03-01), Ho et al.
patent: 2006/0085585 (2006-04-01), Wu et al.
patent: 2006/0168377 (2006-07-01), Vasudevan et al.
patent: 2007/0005863 (2007-01-01), Chang et al.
Budruk, Ravi; Anderson, Don; and Shanley, Tom; PCI System Architecture; MindShare, Inc.; Chapter 17: Hot Plug; 2004.
PCI Express Base Specification, Revision 1.1; PCI-SIG; Mar. 28, 2005; pp. 30-35 and 319-330.
Auve Glenn A
Inventec C'orporation
Jianq Chyun IP Office
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