John, you wrote: > I am using a Matrox G550, and it > works wonderfully! (21",[EMAIL PROTECTED] + 17", [EMAIL PROTECTED]) Thats about or little above the specs, AFAIK. The highres requires a pixel clock of >160 MHz. The video bandwidth of that chips is not far beyond 250 MHz, so the signal quality will not be very impressive. But it works - i use exactly the same resolution on a Nokia 445Xpro. But the second head used to have a much smaller video bandwidth. The producers tend to overstate their product capabilities, e.g. allowing resolutions that do not produce good signal quality - just to have impressive marketing labels.
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