Mid 2006 / model number A1181 / black or white case / 1.83 or 2.0 GHz Intel Core Duo processor.

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Which memory slot to use when modules have different sizes?


I have a MacBook Core Duo (A1181) that came with a single 512MB of RAM module and for which I ordered a new 1GB RAM module (from iFixit store). Now, my question is the following: Should I leave the 512MB RAM module in its original slot and put the new 1GB RAM module in the second slot or, should I replace the 512MB RAM module with the new 1GB RAM module and put the original 512MB RAM module in the second slot?


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It makes no difference which module is sitting in which slot in this case.

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Hi Dan,

Thanks for your reply.


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stephanelambert will be eternally grateful.
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