Programmable power management system and method for network computer stations
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United States of America Patent
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Apr 21, 1998
Grant Date -
N/A
app pub date -
Nov 30, 1995
filing date -
Nov 30, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A frame-address matching function of a network controller is enhanced. In a full power-on mode, the controller performs conventional functions. In the low-power mode, the controller includes frame-address and frame-data matching, as well as pre-determined and programmable autonomous response to network protocol. If a match occurs with respect to the frame destination address or frame data, the system associated with the controller is placed in a wake-up state. If the controller is programmed to perform pattern matching inside the frame data area, upon such match in the frame data area the controller will generate and transmit on the network a simple response packet automatically. Conversely, if a match is not detected, no action is taken. The frame-data patterns are programmable with the capability to mask out certain data fields as desired which are protocol dependent and are substantially protocol dependent.
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