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Why write a GMA45000 graphics card driver for mac os x?

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I m newbe to hackintosh technolgy and i tried to install snow leopard 10.6.3 Iatkos v3 wiht succuss,even if my graphic card was gma45000,i can be able to enjoy all the features,As you know the GMA4500 is the most common problem,since i was trying to get solutions ,posted in many fourms and tried many solution,but,whay we wouldn't write a driver for it bst one? why? please i need your response or who can i get a driver that work succusfully to my snow leopard? any latest solution you have?


Vaio-VGnNS20E/S -model

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