Electronic device for reducing power consumption during sleep mode of computer motherboard and motherboard thereof
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United States of America Patent
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Mar 6, 2012
Grant Date -
Oct 14, 2010
app pub date -
Apr 10, 2009
filing date -
Apr 10, 2009
priority date (Note) -
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Abstract
A power-saving electronic device for use with a computer motherboard in a “suspend to memory” state is disclosed. The power-saving electronic device enables compulsory interruption of power supply to a south bridge chip and a super input output (SIO) chip of the computer motherboard in the “suspend to memory” state, such as an S3 state of Advanced Configuration and Power Interface (ACPI), so as to save power. After a user presses a power switch, the power-saving electronic device enables the south bridge chip and SIO chip to be powered on by a standby power supplied thereto and enables the computer motherboard to remain capable of awakening and resuming from the S3 state.
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