LCD and Video Card Compatability

I have a ATI Radeon X300[/U]. I’m wondering if this video card could handle this [U][url=http://www.newegg.com/Product/Product.aspx?Item=N82E16824009094]22’’ Acer LCD.
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[]My graphics card’s website does not list this LCD’s optimal resolution, but does list resolutions much higher. Does this imply that I can’t use this LCD?
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]Does my graphic card support dual monitors? My current 17’’ monitor is using the blue connection. Will this new 22’’ one be using the white connection?
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