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DVI-D (dual link) to VGA analog monitor...compatible?

Last response: in Graphics & Displays
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March 6, 2009 7:55:10 PM

I installed an ADD2 adapter card with a DVI-D input to run a second monitor display. The monitor is analog with only VGA connection. I have it connected with an adapter (DVI-D to VGA) but it is not recognizing the monitor. Are they incompatible?
August 18, 2009 5:44:09 AM

The "D" -- after DVI -- stands for "digital" which means the card can only output to a digital display. The output of the ADD2 card would need to be a DVI-A (Analog) or DVI-I (Integrated; both Digital and Analog) in order to be compatible with an analog display. Visually, there are four pins around the broad "C5" pin on the DVI-I/A port that carry the analog signal which are absent on DVI-D. The cable being used should also resemble the desired connection.
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