System and method for adjusting information handling system...

Details System and method for adjusting information handling system... System and method for adjusting information handling system...

2008-10-29

2011-11-22

Rehman, Mohammed (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

Reexamination Certificate

active

08065539

ABSTRACT:
An AC-to-DC adapter provides power to information handling systems at different power levels based on the power rating of the information handling system. An adapter manager sets a first lower level at an over current protection circuit unless the information handling system sends identification information that indicates the information handling system is rated to accept a second higher power level, such as by sending a low signal pulse through a serial communication line. While the identification information is present and external power is applied to the adapter, the adapter manager sets a second higher level at an over current protection circuit to allow output of a second higher power level.

REFERENCES:
patent: 7149098 (2006-12-01), Chen
patent: 7224154 (2007-05-01), Kasprzak et al.
patent: 7613939 (2009-11-01), Karam et al.
patent: 2009/0031152 (2009-01-01), Bolderl-Ermel et al.

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