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

Macbook - Macbook Memory Upgrade!

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Member Since: Feb 25, 2007
Posts: 8
marloon is on a distinguished road

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Hi there,

Currently, I am running a 1.83 macbook with 512 Ram.

I just want to ask you if its okay to run 256mb ram in one slot and a 1gb in the other slot? Will i expecting any trouble?
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Laytonx's Avatar
Member Since: Oct 21, 2006
Posts: 42
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Mac Specs: Macbook Pro

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It will work just fine. I was running the same thing once and you will find a lot of other people around here are using 1.25 as well.
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i thought that apple says that you should only use pairs of memory and not to mix and match??? like 2x 256 or 2x 512...

not saying it wont work, i just thought thats what the deal was...
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Martin.'s Avatar
Member Since: Feb 18, 2007
Location: Calgary, Canada
Posts: 348
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I dont see why it wont work. If you have 512 why not just get a 1 gb and run 1.5?


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Member Since: Oct 13, 2006
Location: Blacksburg, VA
Posts: 724
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Mac Specs: 13'' Macbook w/ 2Ghz Core Duo, 2GB DDR2, 250GB HD, 10.5.4. iPod Touch.

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I'm running two sticks of 512 right now and plan on buying a 1gb stick in the near future. There's nothing wrong with mixing and matching, my lappy will be more than happy to accommodate the extra 512mbs of memory to work with
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hairlesswookiee's Avatar
Member Since: Jan 21, 2007
Location: Tampa Florida
Posts: 58
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Mac Specs: Black Macbook 1GB 120GB HD...soon to upgrade to 2GB of Ram

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of course apple won't recommend it, because if there were issues they would probably have to worry about compatibility issues. however, with my desktop PCs i mix and match all the time.

So let me get this straight...we Park in Driveways , Drive on Parkways , and pay tolls on Freeways?!
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Member Since: Feb 21, 2007
Location: Glasgow, Scotland
Posts: 230
SlickShoes is on a distinguished road
Mac Specs: Aluminium Macbook 13.3"

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For Optimum Best performance use pairs, but not using matched pairs still works fine
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