this seems to be a popular subject lately. Maybe you will have a look at this thread as well.,com_s...0/limitstart,0/

In another thread for an imac there was a diagram which I am not sure will provide you with the right information, but you can take a look at it here.

I will keep my eyes peeled.
"Fix it 'til it Breaks."

Jacob - EiC & Director of Technology
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