Re: How to know if DVI connection is digital or analogue?
On Mon, Mar 8, 2010 at 8:53 AM, Eduardo M KALINOWSKI
<eduardo@kalinowski.com.br> wrote:
> On Seg, 08 Mar 2010, Dotan Cohen wrote:
>>
>> Is there no way to tell which type of connection is being used? For
>> whatever reason, it is important to him to know that the connection is
>> digital.
>
> I might be saying complete bullshit, but do DVI cables carry tha analog
> signal? It's true the connectors in VGA boards have both signals, but
> shouldn't a standard DVI cable only transmit the digital signal and ignore
> the analog part, which is used only when a DVI->VGA adaptor is used?
>
> Moreover, even if the cable transmits the analog signal, if it's plugged at
> the DVI input of the monitor, I believe the monitor will take digital signal
> from there. Even if there is also analog signal in the cable, it should be
> ignored in the DVI input.
>
DVI-I cables carry both digital and analogue signal. DVI-D carries
digital only. This is especially useful when you run into a situation
where a video card only has DVI connectors but a monitor only accepts
VGA. A converter can easily be used.
http://en.wikipedia.org/wiki/Digital_Visual_Interface
--
Jordan Metzmeier
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