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NVidia + dualhead2go: mismatched screen resolutions combined

January 17, 2013 7:50:54 PM

1x nVidia Quadro FX 3800 (driver v310.90)
1x Matrox dualhead2go Digital SE (powerdesk 1.15 GXM)
3x 1280x1024 LCD monitors

I have successfully connected the dualhead2go with the Quadro card. Win7 shows screen1 as 1280 x 1024 and screen2 as 2560x1024 (aka 2 monitors together seen as one with the dualhead2go.)

I would like to combine the two displays into 1 desktop of 3840x1024.

nVidia's Mosaic feature will combine monitors to achieve this task, but only when resolutions are matched.
Matrox PowerDesk does not have the option to do any monitor combinations that I can find.

Any options I'm missing in either control panels? Any 3rd party software solutions available?

I thought maybe Matrox had a way to "virtualize" the combined monitors into 2, making the system think there is 3 screens total, but that isn't possible from what I have found.

Thank you in advance!