Patent ID: 8582448
Filing Date: 2013-11-12
Classification: G06F,Y02D

Abstract:
1. A method for managing the power consumption of an information handling system including a plurality of multi-lane serial links, each multi-lane serial link connecting to a host associated with the information handling system; each multi-lane serial link having a lane setting that identifies the number of active lanes in the respective multi-lane serial link, the method comprising: periodically determining at regularly defined intervals a number of lanes required for the respective multi-lane serial link based on a number of one or more I/O devices connected to the respective multi-lane serial link, the regularly defined intervals based on initialization of the host; triggering a reduction of the lane setting of the respective multi-lane serial link if the lane setting of the respective multi-lane serial link is greater than the determined number of lanes required; automatically reducing power to the respective multi-lane serial link in response to the reduction of the lane setting; triggering an increase of the lane setting of the respective multi-lane serial link if the lane setting of the respective multi-lane serial link is less than the determined number of lanes required; and automatically increasing power to the respective multi-lane serial link in response to the increase of the lane setting.