A PCI quick bus system and its energy management method
A fast bus and energy management technology, applied in the field of communication, can solve problems such as the inability to realize system energy management, and achieve the effect of energy-saving energy management
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[0043] The following describes in detail in conjunction with specific embodiments.
[0044] The invention provides a PCI fast bus energy management method, which is applied to a distributed system based on PCI Express bus transmission on a backplane and data forwarding through a Switch or a bridge device. The system includes a main control board and a plurality of service boards . Wherein, each service board generally has an independent CPU for functions such as classification and search of data packet forwarding. After the CPU on the service board is powered on, it can also manage its own system, control the PCI Express bus device of the service board and the backplane interface, and make the device enter and exit different device working states or device power-saving states. The main control board generally implements the initialization of the system PCI Express link and the maintenance and control of status changes and configuration changes. The Switch device or bridge de...
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