I was able to get the native resolution (1366x768) on my Vizio GV42L through both the DVI and VGA outputs at the same time.<br><br>Here is the xorg.conf I use... (<a href="http://www.mythtv.org/wiki/index.php/Running_MythTV_Dual_Headed#PIP_Display_.28One_X_Server.2C_One_display.2C_Dual_head_video_card_with_a_desktop_on_each.29">http://www.mythtv.org/wiki/index.php/Running_MythTV_Dual_Headed#PIP_Display_.28One_X_Server.2C_One_display.2C_Dual_head_video_card_with_a_desktop_on_each.29</a>)<br>
<br>Maybe it will help:<br><br><blockquote style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;" class="gmail_quote"><pre>Section &quot;ServerLayout&quot;<br>        Identifier     &quot;Multi-Head&quot;<br>
        Screen          0  &quot;Desktop&quot; 0 0<br>        Screen          1  &quot;MythTV&quot; RightOf &quot;Desktop&quot;<br>        InputDevice    &quot;Keyboard&quot;       &quot;CoreKeyboard&quot;<br>        InputDevice    &quot;Mouse&quot;          &quot;CorePointer&quot;<br>
EndSection<br><br>Section &quot;Files&quot;<br>        ModulePath   &quot;/usr/lib64/xorg/modules/extensions/nvidia&quot;<br>        ModulePath   &quot;/usr/lib64/xorg/modules/extensions&quot;<br>        ModulePath   &quot;/usr/lib64/xorg/modules&quot;<br>
EndSection<br><br>Section &quot;Module&quot;<br>        Load    &quot;dbe&quot;<br>        Load    &quot;extmod&quot;<br>        Load    &quot;fbdevhw&quot;<br>        Load    &quot;glx&quot;<br>        Load    &quot;record&quot;<br>
        Load    &quot;freetype&quot;<br>        Load    &quot;type1&quot;<br>        Load    &quot;v4l&quot;<br>EndSection<br><br>Section &quot;InputDevice&quot;<br>        Identifier      &quot;Keyboard&quot;<br>        Driver          &quot;kbd&quot;<br>
        Option          &quot;XkbModel&quot; &quot;pc105&quot;<br>        Option          &quot;XkbLayout&quot; &quot;us+inet&quot;<br>EndSection<br><br>Section &quot;InputDevice&quot;<br>        Identifier      &quot;Mouse&quot;<br>
        Driver          &quot;mouse&quot;<br>EndSection<br><br>Section &quot;ServerFlags&quot;<br>        Option          &quot;Xinerama&quot; &quot;0&quot;<br>EndSection<br><br>Section &quot;Device&quot;<br>        Identifier      &quot;GF7050_RGB&quot;<br>
        Driver          &quot;nvidia&quot;<br>        VendorName      &quot;NVIDIA Corporation&quot;<br>        BoardName       &quot;GeForce 7050 PV / NVIDIA nForce 630a&quot;<br>        BusID           &quot;PCI:0:18:0&quot;<br>
        Option          &quot;NvAGP&quot;                 &quot;2&quot;<br>        Option          &quot;UseEvents&quot;             &quot;True&quot;<br>        Option          &quot;AddARGBGLXVisuals&quot;     &quot;True&quot;<br>
        Option          &quot;ModeValidation&quot;        &quot;NoWidthAlignmentCheck&quot;  # Important!!! need this option to use nvidia card at 1366 x 768<br>        Option          &quot;ExactModeTimingsDVI&quot;   &quot;True&quot;<br>
        Option          &quot;ModeValidation&quot;        &quot;NoDFPNativeResolutionCheck&quot;<br>        Screen          0<br>EndSection<br><br>Section &quot;Device&quot;<br>        Identifier      &quot;GF7050_DFP&quot;<br>
        Driver          &quot;nvidia&quot;<br>        VendorName      &quot;NVIDIA Corporation&quot;<br>        BoardName       &quot;GeForce 7050 PV / NVIDIA nForce 630a&quot;<br>        BusID           &quot;PCI:0:18:0&quot;<br>
        Option          &quot;NvAGP&quot;                 &quot;2&quot;<br>        Option          &quot;UseEvents&quot;             &quot;True&quot;<br>        Option          &quot;AddARGBGLXVisuals&quot;     &quot;True&quot;<br>
        Option          &quot;ModeValidation&quot;        &quot;NoWidthAlignmentCheck&quot;  # Important!!! need this option to use nvidia card at 1366 x 768<br>        Option          &quot;ExactModeTimingsDVI&quot;   &quot;True&quot;<br>
        Option          &quot;ModeValidation&quot;        &quot;NoDFPNativeResolutionCheck&quot;<br>        Screen          1<br>EndSection<br><br>Section &quot;Monitor&quot;<br>       Identifier       &quot;GV42L&quot;<br>
       VendorName       &quot;VIZIO&quot;<br>       ModelName        &quot;GV42L&quot;<br><br>       HorizSync        31-70<br>       VertRefresh      50-85<br><br>       Modeline &quot;1366x768@60.00&quot;  85.5  1366 1494 1624 1798  768 770 776 795  -HSync +Vsync Interlace<br>
       Modeline &quot;768p@60.00&quot;  85.5  1366 1494 1624 1798  768 770 776 795  -HSync +Vsync<br>EndSection<br><br>Section &quot;Screen&quot;<br>        Identifier      &quot;Desktop&quot;<br>        Device          &quot;GF7050_RGB&quot;<br>
        Monitor         &quot;GV42L&quot;<br>        Option          &quot;ConnectedMonitor&quot;      &quot;CRT-0,DFP-0&quot; #Force the connected monitor since only one can be active at a time<br>        Option          &quot;UseDisplayDevice&quot;      &quot;CRT-0&quot;<br>
        DefaultDepth    24<br>        SubSection &quot;Display&quot;<br>                Viewport        0 0<br>                Depth           24<br>                Modes           &quot;1366x768@60.00&quot;<br>        EndSubSection<br>
EndSection<br><br>Section &quot;Screen&quot;<br>        Identifier      &quot;MythTV&quot;<br>        Device          &quot;GF7050_DFP&quot;<br>        Monitor         &quot;GV42L&quot;<br>        Option          &quot;ConnectedMonitor&quot;      &quot;CRT-0,DFP-0&quot; #Force the connected monitor since only one can be active at a time<br>
        Option          &quot;UseDisplayDevice&quot;      &quot;DFP-0&quot;<br>        DefaultDepth    24<br>        SubSection &quot;Display&quot;<br>                Viewport        0 0<br>                Depth           24<br>
                Modes           &quot;768p@60.00&quot;<br>        EndSubSection<br>EndSection</pre></blockquote>