Mailinglist Archive: radeonhd (311 mails)

["Alex Deucher" <alexdeucher@xxxxxxxxx>]

On Feb 20, 2008 5:46 AM, Patrick Voigt <patrick-voigt@xxxxxx> wrote:
> I just found this in the FAQ section of the Asus website.
> http://support.asus.com/faq/faq.aspx?SLanguage=en-us
> Select the correct motherboard and press the Search button. Then go the
> page 4 where you find this:
>
> Question:
> "M2A-VM HDMI claimed to support dual display via its available onboard
> VGA ports.
> Does that mean I can use "any two" ports to form dual display platform?
> Also, what types of dual display modes are supported by this motherboard
> via its onboard VGA?"
>
> Answer:
> "Yes, M2A-VM HDMI can support dual display via the combination of "_*any
> two digital output ports, or one digital and one analog port*_". You can
> enable dual display for _*Clone (Both monitors show the same screen),*_
> *_Span (expend your desktop among the two monitors)_*, or *_DualView
> (Two independent display)_*, depending on your need.
>
> The analogue ports are:
> D-Sub
> S-Video
> AV
> YPbPr
>
> Digital ports are:
> DVI
> HDMI"
>
>
> I think I need to try that under Windows just to make sure it is
> correct. Unfortunately I have to install it before I can try... :(
>
> Another interesting link is here:
> http://www.digit-life.com/articles2/mainboard/roundup-690g-sep2k7-page2.html
>
> It says that the Asus M2A-VM HDMI is different compared to other RS690
> boards by allowing simultaneous digital output.

Just to clarify, the ports are independent.  I have the same board.
I've used them independently with the radeon driver, however you have
to boot up with the HMDI port connected as I still haven't sorted out
all of the atom calls needed yet.  We are sorting out the necessary
information now.

Alex

> Greetings,
> Patrick
>
>
> Egbert Eich wrote:
> > Although we may not interpret the SupportedDevice table correctly with
> > respect
> > to DFP2 (as this is the first device I've come accross which supports
> > DFP2 and
> > we have not received any information regarding this until yesterday).
> > Still what I'm seeing here after some more thorough investigation is that
> > indeed both outputs are driven by the LVTMA. They listen on different DDC
> > lines, the HDMI port currently only lights up when HDMI is connected at
> > boot time.
> > I'll dive into some more investigation using information I've just
> > received
> > from ATI. I hope that this information will soon be made public as the
> > information
> > on RS690 that has been published does not cover the outputs.
>
>
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