Date: Wed, 13 Aug 2008 21:21:31 -0600 (MDT) From: Warren Block <wblock@wonkity.com> To: sfriedrich@insightbb.com Cc: freebsd-x11@freebsd.org Subject: Re: Matrox G550 fails dual-head, used to work Message-ID: <alpine.BSF.1.10.0808132106190.11861@wonkity.com> In-Reply-To: <200808131916.51687.freakinBSD@insightbb.com> References: <200808131916.51687.freakinBSD@insightbb.com>
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On Wed, 13 Aug 2008, Steven Friedrich wrote: > Some time ago, xorg changed something and my dual-head stopped working on all > my machines. > > I think the mga driver or xserver is having trouble detecting the second head, > though it does display the same desktop as the first head. Xinerama doesn't > appear to work. I built a new xorg.conf, but xrandr only says there's a > default output, not two. If you want dual head on a Matrox card with the latest ported xorg-server, you need xf86-video-mga-1.9.100. That version of the driver was in ports for a while, but people using modelines had trouble and it was backed out. You can use portdowngrade to get 1.9.100. Additionally, you need to patch xorg-server so it can read the Matrox video BIOS. G550 with two VGA ports should work, I think. G550 with DVI, maybe not. Documentation here: http://wonkity.com/~wblock/mgapatch/ -Warren Block * Rapid City, South Dakota USA
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