Re: How to know if DVI connection is digital or analogue?
On Mon, 08 Mar 2010 12:59:13 +0200, Dotan Cohen wrote:
> DVI supports both digital and analgue connections (that's how VGA
> adaptors work).
That's DVI-I, I guess.
> I have a user who fought with his Windows drivers to
> force digital connection, even though he was connecting with the DVI
> ports over a DVI cable it was sending analogue until he configured it
> properly. Not that he is running a Debian derivative, how can he check
> which connection (digital or analogue) is being used?
Tell the user to use a DVI-D to DVI-D (only digital) cable :-)
> Notice that he can't actually _see_ and difference on the screen :) But
> it is important to him to know that it is in fact digital.
Visual difference can arise, but I think it depends on displays and
graphic cards brand/model/quality.
Using VGA signal, usually the text renders a bit more fuzzy that using a
digital link (cristal clear strokes).
Greetings,
--
Camaleón
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