Invention Grant
- Patent Title: Systems and methods of providing multiple video outputs during a pre-boot environment
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Application No.: US14589601Application Date: 2015-01-05
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Publication No.: US09600295B2Publication Date: 2017-03-21
- Inventor: Wei Liu
- Applicant: Wei Liu
- Applicant Address: US TX Round Rock
- Assignee: Dell Products LP
- Current Assignee: Dell Products LP
- Current Assignee Address: US TX Round Rock
- Agency: Egan Peterman Enders Huston
- Main IPC: G06F9/00
- IPC: G06F9/00 ; G06F9/24 ; G06F15/177 ; G06F9/44 ; G06F11/32 ; G06F3/041 ; G06F11/22 ; G06F17/30

Abstract:
Systems and methods for providing pre-boot displays at the same time on both a discrete video controller and an embedded video controller of an information handling system in a pre-boot environment, e.g., such that a discrete video controller provides video data for generating a video display during pre-boot operations, while at the same time the embedded video controller also remains active and synchronized with the discrete video controller so that the embedded video controller simultaneously provides video data for generating a video display during pre-boot operations.
Public/Granted literature
- US20160196147A1 Systems And Methods Of Providing Multiple Video Outputs During A Pre-boot Environment Public/Granted day:2016-07-07
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