Hi,<br><br>a Radeon HD 5750 with two DVI, one HDMI and one DP port (actually PowerColor Go Green) can definitely drive three screens using 1x HDMI->DVI converter + 2xDVI. Afaik it's only possible to drive such a setup if all screens use the same clock frequency, because there are only two independent clock generators. And it works with the opensource driver only.<br> I filed a bug report once, but I can't find it right now. The third screen was distorted when used, but I think Dave fixed it by applying an old patch.<br><br>Regards<br>Marcel<br><br><br><div class="gmail_quote">On Sun, Sep 19, 2010 at 8:05 PM, Dave Airlie <span dir="ltr"><<a href="mailto:airlied@gmail.com">airlied@gmail.com</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div class="im">On Mon, Sep 20, 2010 at 8:36 AM, Felix Blanke <<a href="mailto:felixblanke@gmail.com">felixblanke@gmail.com</a>> wrote:<br> > Yeah.<br> ><br> > I have buyed a third monitor and now need a video card for it :)<br> ><br> > I want to buy a HD 5770 (flex-edition from sapphire) to use 3 monitors via DVI.<br> > Open-source would be mutch nicer to use then the closed source driver :)<br> <br> </div>Only if you use active displayport->dvi convertors.<br> <font color="#888888"><br> Dave.<br> </font><div><div></div><div class="h5">_______________________________________________<br> xorg-driver-ati mailing list<br> <a href="mailto:xorg-driver-ati@lists.x.org">xorg-driver-ati@lists.x.org</a><br> <a href="http://lists.x.org/mailman/listinfo/xorg-driver-ati" target="_blank">http://lists.x.org/mailman/listinfo/xorg-driver-ati</a><br> </div></div></blockquote></div><br>