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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

MacBook - Question about 3gb ram for macbook


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Mac_OS

 
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Member Since: Sep 22, 2007
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when you put it in does it actually say under about this mac that u have 3gb installed?
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Stretch

 
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if you installed it properly, then yes.

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ok thanks, now i feel better, i was very anoyed about the new macbook update when i just bought mine, but now its only graphics (which i dont need) and an extra 1gb in ram (which i wont need) and .04ghz and 133mhz in frontside which makes no real diff
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why does it say it supports 2gb on apple website then? and what happends if you put in 2x2gb modules?
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If you do a search on RAM, you'll find all of these questions answered in excruciating detail.


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ok thanks
sorry
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Apple says it supports 2GB because *officially* that's all it takes. The reality is that the chipset, the machine, and the software supports 3GB. The reason Apple says it takes 2 is to keep it farther separated (artificially, mind you) in performance from the MBP, so they can justify the price delta between the two models.

4GB won't work in your machine, as far as I know; I haven't tested it, but I'm sure someone has. It'll do one of 3 things:
-See 3GB of the 4
-See 2GB of the 4
-Refuse to boot until you take it down to 3GB or less

It's an odd number, I know, but for whatever reason Intel designed the i945 mobile chipsets to only address 3GB. The funny thing is, it can see the 2GB stick whether it's in slot 1 or slot 2, so you'd think that it'd be able to see a 2gb stick in both at the same time. But somehow, for some reason that is totally beyond my comprehension, it won't.

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Notebook RAM Buyer's Guide- How much, what type, what brand, where to buy, etc.
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