Information handling system battery management during maintenance service
AssigneeDell Products L.P.
InventorsYao-Tsung Chang, Ernesto Ramirez, Chen-Hsin Chang
Life of this patent
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Abstract
A portable information handling system cuts off power from a battery when a keystone of the housing is removed to have an incomplete detection circuit, such as by removing a ground post from contact against a motherboard conductive pad. An embedded controller detects the incomplete detection circuit and in response receives power when powered down, detects a power state of a system processor, powers down the system processor when on, and then removes power communication from the battery by commanding the battery to a storage mode.
Claims20
An information handling system comprising:
- a portable housing having a main portion rotationally coupled to a lid portion and a cover portion coupled over the main portion;
- a motherboard coupled in the main portion;
- a processer coupled to the motherboard and operable to execute instructions that process information;
- a memory coupled to the motherboard and interfaced with the processor, the memory operable to store the instructions and information;
- a battery coupled to the main portion and interfaced with the motherboard to power the motherboard;
- an embedded controller coupled to the motherboard and interfaced with the battery;
- a keystone coupling the main portion and the cover portion, the keystone configured to remove and thereby release the cover portion from the main portion to expose the motherboard, the keystone having a conductive member directed into an interior of the main portion to contact against a conductive pad of the motherboard;
- and
- a non-transient memory interfaced with the embedded controller and storing instructions that when executed on the embedded controller cause:
- detect removal of the keystone conductive member from the conductive pad;
- and
- in response to the detection, command the battery to cease communication of power from the battery to the motherboard.
A method for managing information handling system battery power, the method comprising:
- securing a housing with a keystone having a conductive member within the housing interior;
- interfacing the conductive member with a conductive pad coupled to a motherboard in the housing interior to complete a detection circuit;
- removing the keystone;
- detecting an incomplete detection circuit in response to the removing;
- and
- in response to the incomplete detection circuit, cutting off power transfer from a battery to the motherboard.
A system for managing information handling system battery power comprising:
- an embedded controller interfaced with the battery;
- and
- a non-transitory memory interfaced with the embedded controller and storing instructions that when executed on the embedded controller cause:
- detecting an incomplete detection circuit in response to removing a keystone from a housing of the information handling system;
- and
- in response to the incomplete detection circuit, cutting off power transfer from a battery to the motherboard.
Dependencies are inferred from the claim text.