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Joel
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Can I upgrade from 2Gb to 3Gb RAM

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I have a MacBook 2.4GHz Core 2 Duo model 1181 (Penryn). I understand that this model can only address a maximum of 3Gb of RAM. If I want to upgrade my RAM, can I replace just one of the two 1Gb chips to a 2Gb chip in order to obtain the maximum 3Gb addressable? Or do I need to upgrade both of the 1Gb chips to 2Gb chips? In other words, is it necessary to have symmetry between the 2 RAM chips, or will a combination of one 1Gb chip and one 2Gb chip work correctly? Thanks!

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mayer
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*Apple officially supports a maximum of 4 GB of RAM but third-parties have been able to upgrade the system to 6 GB of RAM using one 2 GB and one 4 GB memory module.

http://www.everymac.com/systems/apple/ma...

I'd go with the 6GB

rab777hp,

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rj713,

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rab777hp
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You can use these chips.

Product Image

PC2-5300 2 GB RAM Chip

Replacement or upgrade RAM chip. Specs: 2 GB / PC2-5300 / Low Profile / 200 pin, 667 MHz. This speed upgrade will make your computer faster. Compatible with Core 2 Duo MacBooks (1.83, 2, 2.1, 2.16, 2.2, or 2.4 GHz), 15" MacBook Pros (2.16, 2.2, 2.33, 2.4, — 20 available at 34.95 each.

Product Image

PC2-5300 4 GB RAM Chip

Replacement or upgrade RAM chip. Specs: 4 GB / PC2-5300 / Low Profile / 200 pin, 667 MHz. This speed upgrade will make your computer faster. Compatible with Core 2 Duo MacBook (2, 2.1, 2.2, or 2.4 GHz Santa Rosa or Penryn only, excluding Unibody), 15" Ma — 6 available at 109.95 each.

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Daniel
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Watch out for anything other than 667 MHz! I just bought 2 2GB 800MHz chips that don't work.

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