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Which DVI Connector DVI-D or DVI-A to connect Dock to external display

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Started ‎03-29-2011 by
Modified ‎03-29-2011 by



I have a T61 in a 2504 docking station. I wish to connect 2 screens - 1 by the normal VGA and the other by the DVI connection.


My issue is that I do not know which DVI to buy. DVI-D, DVI-A, DVI-I etc etc.


Can someone tell me the correct DVI for my docking station.


The DVI port on the dock only supports DVI-D connection which is a digital connection. 


The DVI-A is analog signal that is carried on the applicable cable. While, DVI-I is DVI-Integrated which carries both the digital and analog signal.