Hi
Sorry about that. I thought your machine was a "Late 2007" instead of the "Mid 2007".

Let me clarify and correct my previous response. Your machine can accept two 2GB modules but will only utilize 3GB. You can tell from the Free and Used memory adding up to ~3GB and not 4GB. I have the black version of the same series and have currently installed two 2GB G.Skill CAS-4 PC2-5300 ( DDR2-667 ) SO-DIMMs.






I chose to go two 2GB instead of one 1GB and one 2GB to take advantage of dual-channel ( pairing ), which makes a noticeable improvement but more so on the MacBook due to the chipset graphics ( share system memory ). I chose CAS-4 over CAS-5 to up the performance even a bit more.

P.S. Plus I replaced my original 5,400RPM drive with a 7,200RPM HDD and now my machine is nearly maxed.

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Apple MacBook (Black) 2.16GHz C2D, 4GB, 200GB (7.2K), DL-SD + 16GB iPod touch - http://web.me.com/ctschida - http://www.click2debug.com

Hi
This isn't a Mac or other related issue, it is a general Vista issue. I read reports of such but didn't necessarily trust them. Suffice it to say, Vista needs SP1 ( Service Pack 1 ) and a couple other updates to properly understand >3GB. My Vista disc didn't have SP1 ( I thought it did ) and I had major installation issues. Solution is to remove extra memory ( one of the two 2GB in my case ), install Vista, update Vista, and than reinstall additional memory. If your Windows is up-to-date already, you shouldn't have issue.

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Apple MacBook (Black) 2.16GHz C2D, 4GB, 200GB (7.2K), DL-SD + 16GB iPod touch - http://web.me.com/ctschida - http://www.click2debug.com