Core i5 Sandy Bridge
ATI HD6570 LP version (used to be Nvidia GT 420 also LP)
HDD WD 3TB*
OS X 10.7.3
250w PSU (modded)
All in a nice ITX case I can carry on one palm, and it cost only 130 ringgit!

* This is the main reason I went OS X, because Windows 7 takes too much work to get full 3TB instead of 2.2, and I can't use it as primary disk and still get the HDD partitioned the way I want. So, gay Anonymous guy. You miss the bigger picture due to your penis fixation.
http://www.osx86.net/video-graphics/13710-...150-driver.html
Even though it may work, Intel 3150 + OS X = a very sad boy. If I were you and I'm stuck with a set like that, I'd just accept fate and install Windows Starter. I wouldn't even bother installing 2GB RAM. After all, people buy netbooks to go on Facebook, and nothing else.
If you can get the AMD Brazo platform to install OS X, you'd be a real genius. And by that I don't mean Apple Genius the job title. I mean you have a degree in quantum physics, and your name is William Bell.
Your Aspire 4930 MUST come with Nvidia for OS X to install. There are many different variants of 4930, most of which run on Intel 4500MHD graphics, which is unsupported. My guess is your Aspire 4930 comes with Nvidia 9300. Aspire One D250 is an earlier netbook that came with GMA 950, which has always been compatible. No need for an announcement here. To find out which netbooks can run OS X, check this chart.

http://www.mymacnetbook.com/compatibility-chart/

Again, if you have a netbook, I pray that you'd at least read and consider my statement above, and realize the mental sickness you must have to want to force OS X on a Facebook plaything.

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Added on June 4, 2012, 4:20 pm
If yours has the Optimus thing, that will get you stuck for good. Do you have a setting in your BIOS to disable Intel graphics? You can try that but no guarantees.