M329+FX4000 quadro problem

[samsc]

refresh rate is 60 hz resolution is 3840x1024,3072x768, same defect, triple head display port on out one of quadro 4000 (display port )

and the other output? the dvi output?
does that work at this resolution?

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start at the lowest possible output size and work up
dont start at highest size and work down