Someone told me that my motherboard might also be PCI or SLI compatible. Is this BS?
Almost definitely.
http://www.cpuid.com/download/cpuz_144.zip Will tell you the board info you're looking for.
Lastly, any recommendations on a good video card for AGP. I am currently running a GeForce 4 Ti 4200 with AGP8X & 128 RAM. My OS is Windows 2000 Professional. Also have 1GB of RAM.
Buy a new computer. You can overpay for an AGP card that won't perform as well as a PCI-E on that would cost half as much if you really want to, though.
http://www.newegg.com/Product/Product.aspx?Item=N82E16814125039
Good luck.
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