This laptop model has a hybrid dual graphics chipset with either

nVIDIA GT 130M & GMA 4500mhd
or
ATI 4570 HD & GMA 4500mhd

It is designed so that the GMA 4500 can be used when less intensive tasks are at hand while the secondary card can be used for gaming and such. There is a switch that controls this on the keyboard. Im not sure how OSX would react to changing this on the fly.

I have not seen much support for the GMA 4500 or the ATI 4570. You will want to do some research and see if you can find someone who has gotten Quartz Extreme and Core Image working with one of the cards. As if you are not able to get QE/Ci supported you will only get 1024x768 and not be able to run certain applications and its probably not worth the trouble.

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MOBO: Z77MX-QUO-AOS CPU: Core i7 3770K GPU: MSI N760 TF 2GD5/OC Case: Modded MacPro2,1
Memory: 32GB Corsair Vengeance (CMY32GX3M4A1600C9) Wifi: Airport Extreme bcm94321MCA BIOS: HermitCrab Labs H3A.816M
Monitor: AOC Q2963Pm 29" WFHD 2560x1080 21:9
Interests: KDE on Apple Darwin, Keeping it real with the command line, Helping those that help themselves