Date: Wed, 01 Apr 2009 22:25:23 -0700 From: "Kevin Oberman" <oberman@es.net> To: "Wilkinson, Alex" <alex.wilkinson@dsto.defence.gov.au> Cc: freebsd-x11@freebsd.org Subject: Re: Proper configuration for dual-headed nVidia 7800GT Message-ID: <20090402052523.411621CC0B@ptavv.es.net> In-Reply-To: Your message of "Thu, 02 Apr 2009 11:26:37 %2B0800." <20090402032637.GJ2351@stlux503.dsto.defence.gov.au>
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> Date: Thu, 2 Apr 2009 11:26:37 +0800 > From: "Wilkinson, Alex" <alex.wilkinson@dsto.defence.gov.au> > Sender: owner-freebsd-x11@freebsd.org > > > 0n Wed, Apr 01, 2009 at 03:56:45PM -0700, Kevin Oberman wrote: > > >I have been unable to get both heads of my nVidia 7800GT to work. I > >start with the output of 'Xorg --configure' and add the second Monitor > >and a display set for a 2560x1024 display. I get the proper display on > >one monitor and the other just displays "Cannot Display This Video > >Mode". > > > >I add "Option Dualhead" and get no screens found. I added "Option > >FlatPanel" and got "Cannot Display This Video Mode" on BOTH screens. > > > >Can anyone give me a clue as to how to configure this for Xrandr > >operation? I'm sure I am missing something obvious. > > > >I should mention that the displays are LED panels, but they use VGA, not > >DVI connectors, so I have DVI to VGA adaptors on both ports. I can > >supply logs of the various configurations. > > How about trying TwinView ? I don't see TwinView as an option in the nv man page. Is it for the nvidia-driver? I have not tried that. Since I don't need 3D or any fancy capabilities, I figured that nv would do the trick. -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634 Key fingerprint:059B 2DDF 031C 9BA3 14A4 EADA 927D EBB3 987B 3751
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