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The laptop, which is relatively new, has 2 outputs (HDMI and analog) plus the built-in screen. Has anyone done this before? Will AMD / ATI's new drivers that support the 5xxx series maybe bring support for more than 2 screens to older cards? Is there something I need to do that will enable this?
+1 sadly it is still relatively unusual for a laptop to have 2 simultaneously-working external video outputs – bobince – 2009-11-24T19:47:16.023
1Hi Suma, I'm familiar with the Matrox solutions. However my question remains: Is it possible with the internal Radeon graphics card alone? – Joshua – 2009-11-24T20:49:55.180
Note: this Matrox solution is now a video card. It is a small accessory which plugs into an ouput of any video card. – Suma – 2009-11-27T10:21:11.457
As explained in the post, the Radeon card is not able to drive more than two displayes. – Suma – 2009-11-27T10:21:44.437
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I was hoping it was not a hardware limitation. Based on the specifications ('two independent display controllers'), that seems to be the case :(.
With regard to your final comment "...not three, same as any display adapter out now." Please read up on the Radeon HD 5xxx series, which now supports as many as 6 displays. http://www.amd.com/us/products/desktop/graphics/ati-radeon-hd-5000/hd-5870/Pages/ati-radeon-hd-5870-specifications.aspx