Method and system for switching a DVI display host

Details Method and system for switching a DVI display host Method and system for switching a DVI display host

2003-11-10

2009-11-10

Chen, Alan (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral adapting

C710S015000, C710S016000, C710S017000, C710S018000, C710S302000

Reexamination Certificate

active

07617341

ABSTRACT:
Plural information handling systems interface through a KVM switch with a DVI display with the KVM switch supporting selection of the information handling system providing display information to the display. A hotswap switch initiates a hotswap signal to the information handling system that is selected to provide display information to the display. Receipt of the hotswap signal at the information handling system results in the driver of the selected information handling system redetecting the display with a communication through the DDC channel and transfer of EDID information from the display to the selected information handling system so that the selected information handling system drives a desired display port, such as by sending display information through a TDMS channel instead of default VGA channel.

REFERENCES:
patent: 6528904 (2003-03-01), Wong
patent: 6609034 (2003-08-01), Behrens et al.
patent: 6615272 (2003-09-01), Ambrose
patent: 2004/0199699 (2004-10-01), Bobbitt et al.
Digital Display Working Group Promoters “Digital Visual Interface DVI” Revision 1.0, Apr. 2, 1999.

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