Method for enabling power-saving mode

Details Method for enabling power-saving mode Method for enabling power-saving mode

2005-11-09

2008-12-16

Cao, Chun (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

Power conservation

C713S322000, C713S320000

Reexamination Certificate

active

07467315

ABSTRACT:
In a method for enabling a power-saving mode for an electronic apparatus, a power mode index Ips is determined according to transmission indices Bit0˜Bitn and/or port situation indices Ip0˜Ipm. For example, when the transmission indices Bit0˜Bitn are all under inactive states or when all the port situation indices Ip0˜Ipm are under disable states, the power mode index Ips indicates a highly power-saving mode D3. When less transmission indices are under inactive states or when less port situation indices Ip0˜Ipm are under port disable states, the power mode index Ips indicates a primary or intermediate power-saving mode D1or D2. The power mode index Ips can also indicate no power-saving mode D0when all transmission indices and/or port situation indices are active/enabled or the electronic apparatus is forced to remain normal power.

REFERENCES:
patent: 4980836 (1990-12-01), Carter
patent: 6073244 (2000-06-01), Iwazaki
patent: 6125450 (2000-09-01), Kardach
patent: 6169746 (2001-01-01), Ueda et al.
patent: 6604201 (2003-08-01), Takahashi et al.
patent: 6760852 (2004-07-01), Gulick
patent: 2004/0017598 (2004-01-01), Seki et al.

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