Macbook C2D late 2006 RAM upgrade question.

Hello everyone,
I have a late 2006 Macbook and am planning to upgrade the RAM from 2GB to 4GB.
From what I understand, my motherboard only supports 3GB, and I'm ok with that.
My question is:
Because 1GB will be left unused, will the OS use any of the extra GB towards my Intel GMA 950 GPU's 64MB of shared memory?
I know the machine performs better graphically with with 4GB of RAM rather than 3, I was wondering if that extra GB of RAM is just used my my GPU rather than by the computer?
Like, will I get more then 64MB of shared RAM?
Thanks for reading, and I hope someone here has the same configuration as me, has added the 4GB, and could tell me if there is any GPU upgrade with the 4GB.

Aaron Lowe wrote:
Because 1GB will be left unused, will the OS use any of the extra GB towards my Intel GMA 950 GPU's 64MB of shared memory?
No, the GMA 950 shares the 3 GB. Some have reported after testing that the MacBook is actually using 3.3 GB.
I know the machine performs better graphically with with 4GB of RAM rather than 3, I was wondering if that extra GB of RAM is just used my my GPU rather than by the computer?
Like, will I get more then 64MB of shared RAM?
This is from the specs.
+Memory available to Mac OS X may vary depending on graphics needs. Minimum graphics memory usage is 80MB, resulting in 944MB of system memory available on 1GB configurations.+
The 64MB is a baseline because of the GMA 950 spec. The MacBook actualluy uses more and more is assigned as needed by the graphics.

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<Edited By Host>

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Message was edited by: Patricia Henwood to add OS details

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thanks!
Message was edited by: finn bell

What brand is the RAM? From what you said, it is obvious that the RAM is at fault. I would simply tell them that it is not compatible and return the RAM.
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If either shows any errors, print out the results and take them with you to the store.

Macbook C2D late 2006 RAM upgrade question.

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