Dual monitors using DVI / VGA ports on motherboard

[Dotan Cohen]

On Mon, Mar 21, 2011 at 18:40, Chris G <cl at isbd.net> wrote:
> On Mon, Mar 21, 2011 at 06:10:23PM +0200, Dotan Cohen wrote:
>> Hi all, I have this motherboard in my computer:
>> Asus M3A78-EMH HDMI
>> http://www.asus.com/Product.aspx?P_ID=khuIilXQjwItSrPi
>>
>> I wonder if I could attach two monitors to the system, one to DVI and
>> one to VGA, and have the computer recognise them as separate outputs.
>> I'd simply try but I don't yet have an additional monitor to test on
>> at the moment (everything I own is VGA). Does this sound reasonable?
>>
> That page says:-
>
>    Dual VGA Output
>    The interface of this motherboard supports dual VGA output both HDMI/DVI
>    and RGB and is HDCP compliant allowing playback of HD DVD, Blu-ray Disc.
>
> That suggests to me that you can use both at the same time but I must
> admit it's ambiguous.
>

Yes, I was not sure about that exactly.


>> Failing that, if I were to add a discrete PCIe graphics card would I
>> be able to use both the onboard VGA output and the card's VGA output
>> as separate monitors? Or would I need a graphics card with two
>> outputs?
>>
>
> I'm pretty certain that to have two monitors (know as double headed) you
> need a graphics card that has two outputs, a separate graphics card
> won't 'play nicely' with the built-in graphics.
>

Thanks.


-- 
Dotan Cohen

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