POWER MANAGEMENT IN A DATA PROCESSING APPARATUS
First Claim
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1. A data processing apparatus, comprising:
- a processor;
data storage coupled to the processor;
a decoder of data transmitted via power supply lines of the apparatus; and
a controller coupled to the decoder that, responsive to the data, changes power modes of the data processing apparatus.
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Abstract
In a data processing apparatus, a power mode is selected based on data regarding an operating status of a power utility powering the apparatus. The data is transmitted via power supply lines and includes information on timing/duration of present or anticipated brown-out and/or black-out conditions of the power utility. Power management functions can be performed, for example, using a BIOS of the apparatus or a power management application program.
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Citations
17 Claims
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1. A data processing apparatus, comprising:
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a processor; data storage coupled to the processor; a decoder of data transmitted via power supply lines of the apparatus; and a controller coupled to the decoder that, responsive to the data, changes power modes of the data processing apparatus. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of selecting a power mode of a data processing apparatus, the method comprising:
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receiving, via power supply lines connecting the data processing apparatus to a power utility, data indicating an operating status of the power utility; and in response to receiving the data, the data processing apparatus selecting a particular power mode among a plurality of power modes of the data processing apparatus based on the operating status of the power utility; and invoking entry into the particular power mode. - View Dependent Claims (9, 10, 11, 12)
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13. A program product, comprising:
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computer readable storage medium; and program code stored within the computer readable storage medium, wherein the program code when processed by a data processing apparatus causes the data processing apparatus to perform a process including; receiving, via power supply lines connecting the data processing apparatus to a power utility, data indicating an operating status of the power utility; and in response to receiving the data, the data processing apparatus selecting a particular power mode among a plurality of power modes of the data processing apparatus based on the operating status of the power utility; and invoking entry into the particular power mode. - View Dependent Claims (14, 15, 16, 17)
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Specification