I assume you're asking because you're gonna game? Ummm. Sorry to break it to you, but that's not a video card. It's an Intel GMA, an integrated graphics solution that has waay, waay less capabilities than any modern cards.
Edit: To answer your question, it may delight you that the GMA 3150 does support shader model 3. As for your direct x version, check the steps out here: http://windows.microsoft.com/en-PH/windows-vista/Which-version-of-DirectX-is-on-your-computer