Legacy Intel

4th Gen GMA Highest Supported OS:Lion

Native(Lion):

  • GMA X3100

Unsupported:

  • GMA X4500HD

  • GMA X4500

  • GMA 4500

  • GMA X3500

  • GMA X3000

  • GMA 3000

3rd Gen GMA Highest Supported OS: Snow Leopard/Lion

Native(Lion):

  • GMA 950

With a bit of work(Snow Leopard):

  • GMA 900

Required files:

  • ElliottAppleIntelGMA950LegacyEnabler.kext

  • AppleIntelIntegratedFramebuffer.kext

Source

Unsupported:

  • GMA 3150

  • GMA 3100