Method and apparatus for reducing power consumption in...

Details Method and apparatus for reducing power consumption in... Method and apparatus for reducing power consumption in...

2006-10-24

2006-10-24

Jean, Frantz B. (Department: 2151)

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

Computer-to-computer data transfer regulating

C713S320000, C713S322000

Reexamination Certificate

active

07127521

ABSTRACT:
The present invention discloses a method and an apparatus for reducing power consumption in a network linking system. The apparatus comprises: a network linking interface device, including a media access controller (MAC), a gigabit physical layer (gigabit PHY), and a connector, through which the network linking interface device is coupled to an Ethernet by a network cable; a driving device, for driving and controlling the network linking interface device; and a load monitoring module, for monitoring the load for the network interface device so as to adjust the link speed according to the load. The method comprises steps of: determining the network linking interface device to be in an autonegotiation mode; performing autonegotiation; obtaining settings of a remote-end network linking interface device; linking at the highest usable link speed; enabling the load monitoring module; adjusting the settings of the network linking interface device according to the load of the network linking interface device; and performing autonegotiation again and linking at a proper link speed.

REFERENCES:
patent: 5633859 (1997-05-01), Jain et al.
patent: 6570846 (2003-05-01), Ryoo
patent: 6732190 (2004-05-01), Williams et al.
patent: 6795450 (2004-09-01), Mills et al.
patent: 2005/0177755 (2005-08-01), Fung

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