Patent ID: 8949627
Filing Date: 2015-02-03
Classification: G06F,G09G

Abstract:
1. An information handling system comprising: a housing; plural processing components disposed in the housing that cooperate to process visual information; a battery disposed in the housing; a display interface port operable to accept a display cable and to communicate visual information through the display cable to a display and having a bidirectional auxiliary channel to communicate management information; and a power manager running on a processing component, the power manager operable to determine whether the display supports transfer of power through the display cable to the information handling system, to transfer power only from the information handling system to the display if the display does not support transfer of power to the information handling system, to request a battery charge from the display through the display cable auxiliary channel if the display does support transfer of power to the information handling system, and to coordinate charging of the battery with power received through the display cable.