Palit Nvidia Geforce 8600 Pci-e

I had palit Geforce 8600 PCI-E card.

Please tell me the BOIS setting for that. I have a Intel mobo.
What to be set in Memory allocation in BIOS setting.

What are the further setting required in windows or graphics property to fetch the best performance?
What is max resolution it support?

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It doesn't allow me to set resolution higher than 1024X768 for desktop.

Does any settings required for that?
Tell me more about Nvidia settings.