Unless I'm mistaken, you'll either have a TV drivers disk or you can download one from the Samsung site. That will at least enable Properties to see your TV used as monitor.
Next, to get beyond 800x600 which drives at 75Hz vertical refresh rate, you need to set the refresh rate in Properties to 60Hz. Then the maximum resolution of your TV should be available.
Your graphics card won't be the issue (although you are limited to RGB rather than digital input to the TV).
Suspishio
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Like I said, you can download drivers from the Samsung web site.
You didn't say which manuakls you were looking at. But the Samsung LCD TV is capable of a wide variety of screen resolutions in PC connected mode.
I'm reasonably confident that you can get 1280 x 1024 at 75Hz vertical refresh. This is what you should set in Nividia Control Panel or Display properties. This mode is supported in your graphics card for sure.
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