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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > Will RAM for the 12" Al. Powerbook fit the 15" Powerbook?

Will RAM for the 12" Al. Powerbook fit the 15" Powerbook?
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Fresh-Faced Recruit
Join Date: Jun 2007
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Jun 15, 2007, 07:11 PM
 
I just purchased some used RAM on eBay (1gb) that was listed for the 12" G4 Powerbook G4/Aluminum. I was under the impression that the RAM modules were interchangeable between the different Powerbook sizes. I have a 15" 1.25 ghz aluminum Powerbook. The seller is telling me that it will not fit my application and that he will refund me my money (he hasn't shipped it yet). Is he correct that it is not compatible with the 15" model? Are the RAM modules only "backward compatible," i.e. a PC2700 RAM will fit in a PC2100 slot, but not the other way around?
     
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Join Date: Dec 2000
Location: Polwaristan
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Jun 15, 2007, 08:10 PM
 
I'd go to Crucial and use their RAM finder to see what RAM goes with what product.

Memory upgrades, graphics cards, flash media, and usb storage at Crucial.com
     
Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
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Jun 16, 2007, 02:55 PM
 
The aluminum PowerBooks use at least 3 different types of RAM, so you can't say the memory from an Al PB will work in any other Al PB. Look up the models on apple-history.com to see if they use the same memory.

Yes, PC2700 will work in a machine that needs PC2100, but PC2-4200 or PC2100 won't work in a machine that needs PC2700.
     
   
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