According to one embodiment of the present invention, there is provided a power management system for use in a computer system having a memory system incorporating a non-volatile memory and a controller which presents the logical characteristics of a disc storage device to a host, the power management system comprising means for monitoring the operational activity levels within at least some of the components of the controller and arranged, in response to the monitored levels, to vary the power consumed by selected components of the controller.


> Method for processing error of received packet in ethernet MAC layer

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