First off thanks to everyone who has posted advice and results in this thread, it has been immeasurably helpful!
I finally upgraded my Late 2008 Unibody 2.4 Ghz MBP from 6 GB to 8 GB this past week. It was a little finicky in the beginning with it only detecting one of the two 4 GB SODIMMs but after I tried reseating the memory a few times everything seemed to clear up.
OWC chat sales support says that they tried this with 8GB and it doesn't work.Like Redfanix, I'm wondering about 10.7 LION. ...
Like Redfanix, I have a MacBook Pro 4,1 (early 2008).
Like others earlier, I would like to say a big thank you to all of you who investigated this upgrade problem and its been a tremendous help to me and my final upgrade decision.
I have a Macbook Pro 5.1 (Late 2008 Unibody) 2.8Ghz and last week upgraded my RAM from 4GB to 6GB, which I purchased for £35 from Global Memory here in the UK (www.globalmemory.co.uk).
It has more than met my expectations, everything is much snappier and almost instantaneous, even when opening Photoshop files. Although I do tend to close everything I don’t need when working in PS.
It would be better if I could use 8GB, but nobody seems to be reporting a fully successful install and use. It looks like you can install it, but once you go past 4GB, it crashes etc, whilst 6GB (4+2) runs just fine.
So any one with my model ~ Macbook Pro 5.1 (Late 2008 Unibody) 2.8Ghz, I would say go for 6GB.
Like Redfanix, I'm wondering about 10.7 LION. I'm also wondering if RAM hardware technology advances in the 3 years since this thread started mean 8GB can work.
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Like Redfanix, I have a MacBook Pro 4,1 (early 2008).
Model Name: MacBook Pro
Model Identifier: MacBookPro4,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.6 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache: 6 MB
Memory: 4 GB
Bus Speed: 800 MHz
Boot ROM Version: MBP41.00C1.B03
SMC Version (system): 1.27f3
The issue is not OS dependent.
I have just installed 8 GB in a Macbook Pro 5.1 (15" 2.66 Core2Duo Late 2008 MC026LL/A) and no problem so far.
What should I do to test all my memory and see if there is no crash beyond 4 GB ?
That's true at one level, however various firmware updates have appeared along the way.
I have just installed 8 GB in a Macbook Pro 5.1 (15" 2.66 Core2Duo Late 2008 MC026LL/A) and no problem so far.
What should I do to test all my memory and see if there is no crash beyond 4 GB ?
Thank you in advance for the help - I have an early 2008 MBP 4,1 that came with 4 gb of ram (2+2). I've ordered a 4 gb stick from crucial. Does it matter which ram connector I use for the new 4 gb stick?
I have a MB466LL/A MacBook5,1 running, lion 10.7. Crucial memory scanner still reports that 4gb is the maximum memory my Macbook can support.
Is this the case? Or as people suggest should i install a single 4gb module upping my memory to 6gb (4+2).
Or is it completely stable to choose 2x4gb and get 8gb total?
Your help would be greatly appreciated.
Ali
They report what the manufacturer says it could handle, thus the 4 GB max.
It seems that this whole thread revolves around a firmware update that allows an unofficially supported increase in the amount of RAM these machines can take. is this not the case?
Ali