Best RAM configuration for Macbook (mid 2007)

Hi, I have a Macbook (mid 2007) with 1 GB ram and I would like to upgrade. Currently I have 2x512MB, so both of my memory slots are taken. Is it a good idea to have one 512MB card and a 2GB card in the other slot? Otherwise, what is the best RAM configuration for a mid 2007 macbook?
I am also looking into purchasing this memory card for my macbook, is this a good choice?
http://www.amazon.com/Crucial-2x1GB-200-Pin-667Mhz-SODIMM/dp/B000FQ2JLW/ref=sr_1 _3?ie=UTF8&qid=1307335802&sr=8-3
Any advice would be very much appreciated!

Kappy wrote:
In these early models, Ronda, the benefit is very marginal.
Yes, I read the figure 128 in regards to the benefit. Something about interleaving, maybe?
In doing a Google search for that article I saw, I found this:
http://www.mac-forums.com/forums/apple-notebooks/99215-4gb-ram-my-macbook.html
the maximum amount of RAM your laptop can take is 3.3GB. So while you can physically insert 4GB of RAM, OS X will only be able to see 3.3GB of it.
But I don't know how knowledgeable that poster is who says it can utilize 3.3 GB. I do know that the full 4 GB shows up in the System Profiler on my MacBook Core 2 Duo 2.16 GHz.

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Pursuing more and more the idea of maxing out my Mid 2007 MacBook to 3GB, I have come to wonder, which configuration of RAM would be most ideal? (and also if it even matters on the configuration)
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KBHenn wrote:
If you use a 2GB+1GB sticks, you'll use all of the 3GB, but you won't benefit from the dual channeling, which as I've heard, isn't really THAT beneficial.
Coming from a technical background, I've read Intel's datasheet for the Santa Rosa chipset. It's really convoluted if you don't understand all the language so bear with me.
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You CAN use 2x2GB sticks, but you won't get all 4GB. The Core 2 Duo chips only recognize up to 3.2-3.3GB. If you do use 2x2GB you will benefit from the dual channel, it's just that you wont be using all that you've put in there. It's really a matter of personal preference. I don't think you'll notice a huge difference in the two, and then again you may. It's all up to you.
Again - I can't see that it would mean that much of a difference given what I've read in Intel's datasheets. I think even 1GB+2GB will achieve an effective dual channel for at least 2GB of the memory.
It does not matter which bank you put the 2GB or 1GB sticks either.
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Nominal/Original battery charge capacity of genuine batteries for 13'' macbook (mid 2007)

Hello everyone,
I just wanted to ask which is the nominal battery charge of a genuine (from Apple) battery for a 13'' macbook (mid 2007). I have just bought a new one, and it has a nominal capacity of about 5500 mAh. I just would like to check if it is in good condition.
When my old battery stopped functioning I checked some information in the web and arrived to the followings conclusions:
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Snow Leopard 10.6 Technical Requirements - http://support.apple.com/kb/SP575 - note by K Shaffer - http://discussions.apple.com/message/12921514 : "Some early Intel-based Macs can't use Snow Leopard 10.6 installers; of those, the Core Duo (not 2 duo) were suspect and had issues." - and a qualifier by "a brody" http://discussions.apple.com/message/13028822 : "I think that refers to the ones without at least 1 GB of RAM."

Boots only in Safe Mode - Macbook mid 2007

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lruetimann wrote:
What I am not able to test is booting with an external CD/DVD drive. However, there is no indication that the built-in drive is malfunctioning.
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With the MacBook(1) on (Host), the MacBook(2) off (Target) connect the firewire cable.
Start the MacBook(2), hold T key to make it the boot drive. It will appear on the MacBook's(1) Desktop.
Insert the 10.6 Install DVD into the MacBook(2).
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From the MacBook(1), select Restart and hold down the Option key to select Start-up Manager.
From Start-up Manager, select the 10.6 Install DVD which will take you into the installation.
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Google. I will try to explain my problem is easier ..
I have an old MacBook release mid-2007. Memory it has 2 GB. So I would like you to know whether you can buy and install .. 4GB of memory?
Thank you!
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   Identifier: MacBook2, 1
   Processor Name: Intel Core 2 Duo
   Processor speed: 2.16 GHz
   Number of Processors: 1
   Total number of cores: 2
   Cache Level 2: 4 MB
   Memory: 2 GB
   Bus Speed: 667 MHz
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   Version of the SMC (system): 1.17f0
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Best RAM configuration for Macbook (mid 2007)

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