Ubuntu 9.10, One Graphic Card for Dual Monitors

Ubuntu 9.10 x86_64 on Intel Q8490 + Nvidia GeForce 9400GT ...
the TwinView ...



[SYSTEM] - [MANAGEMENT] - [NVIDIA X Server Settings]


[O] X Server Information

[O] GPU 0 - (GeForce 9400 GT)

[O] X Server Display Configuration




















Found NEX T4211N disabled (in fact, it shall be CHIMEI DTL-742E400, 42" LCD TV connected via HDMI)

Select Model: NEX T4211N
and click [Configure...]

 
Then choose [TwinView]





















Set Resolution to 1920x1080,
and click [Apply] .

Then it works fine for me :)

[O] X Screen 0

It's interesting that screen captured will be ...
Left side on my CHIMEI CMV222H, and the RIGHT side on CHIMEI DTL-742E500