From owner-freebsd-x11@FreeBSD.ORG Thu Apr 2 05:25:37 2009 Return-Path: Delivered-To: freebsd-x11@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1069B1065676 for ; Thu, 2 Apr 2009 05:25:37 +0000 (UTC) (envelope-from oberman@es.net) Received: from mailgw.es.net (mail4.es.net [IPv6:2001:400:6000:6::2]) by mx1.freebsd.org (Postfix) with ESMTP id BA42E8FC13 for ; Thu, 2 Apr 2009 05:25:36 +0000 (UTC) (envelope-from oberman@es.net) Received: from ptavv.es.net (ptavv.es.net [IPv6:2001:400:910::29]) by mailgw.es.net (8.14.3/8.14.3) with ESMTP id n325PNLQ026802 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 1 Apr 2009 22:25:24 -0700 Received: from ptavv.es.net (ptavv.es.net [127.0.0.1]) by ptavv.es.net (Tachyon Server) with ESMTP id 411621CC0B; Wed, 1 Apr 2009 22:25:23 -0700 (PDT) To: "Wilkinson, Alex" In-reply-to: Your message of "Thu, 02 Apr 2009 11:26:37 +0800." <20090402032637.GJ2351@stlux503.dsto.defence.gov.au> Date: Wed, 01 Apr 2009 22:25:23 -0700 From: "Kevin Oberman" Message-Id: <20090402052523.411621CC0B@ptavv.es.net> Cc: freebsd-x11@freebsd.org Subject: Re: Proper configuration for dual-headed nVidia 7800GT X-BeenThere: freebsd-x11@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: X11 on FreeBSD -- maintaining and support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Apr 2009 05:25:37 -0000 > Date: Thu, 2 Apr 2009 11:26:37 +0800 > From: "Wilkinson, Alex" > 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