Patent ID: 9652251
Date: 2017-05-16
CPC Classifications: G06F

Claim:
1. A method, comprising: receiving, by an embedded controller of an information handling system, a power signal to power on the information handling system, wherein the embedded controller is a second processor device having access to a second memory, wherein the information handling system includes a first processor device having access to a first memory separate from the second memory; responsive to receiving the power signal, outputting a display mode signal to a display controller of a display coupled to the information handling system, the display mode signal indicating to the display controller to display pre-boot display content on the display; and prior to initiating booting of the information handling system, outputting the pre-boot display content to the display controller; and initiating booting of the information handling system; generating modifying the pre-boot display content during booting of the information handling system; and outputting the modified pre-boot display content during the booting using a logic interface, wherein the logic interface emulates a sideband channel of a video interface to the display controller.