Black DIMM slots on Asus m2n SLI won't take my DDR2 RAM

Hey i was surfing the web and found this thread about 'Asus m2n SLI' - black DIMM slots wont insert my DDR2 RAM properly. and i am having the exact problem as this guy. Did anyone ever figure out why the black slots wouldnt take it? Its crazy? lol Any info is appreciated!
 
Let's say we don't know exactly to which thread you are referring. Can you describe your problem in better detail?
 
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