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OS X - Operating System General OS operation information and support

Activity monitor and system profile aren't matching up in ram amount?


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cad2blender

 
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I installed 4GB on my mac, from the 3GB i used to have. I went up to about my mac and I see that both ram slots are detected and it also registers that it has 4GB of ram. When I open activity monitor the pie chart that shows the memory usage says 3.00 GB Is this normal? Why aren't these two numbers matching up?
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Dysfunction

 
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What model Mac? as in .. Macbook 8,1 etc ?

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cad2blender

 
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its a macbook pro intel core 2 duo late 2006 model, in the system profiler it shows up as macbookpro 2,2
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it may be that the max supported ram for that mbp is 3GB. Unfortunately, I'm at work, thus don't have MacTracker available. Someone will hopefully pipe up, else.. I'll check when I get home.

mike
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Dysfunction

 
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Ok, from Mactracker


Maximum Memory 3.0 GB (4.0 GB can be installed, only 3.0 GB will be addressed)
Memory Slots 2 - 200-pin PC2-5300 (667MHz) DDR2 SO-DIMM

mike
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Got # ? phear the command line!
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bobtomay

 
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Using a matched pair of 4GB will maintain the dual channel capability but will only be able to address 3 GB. Have an '06 myself. It is not physically capable of using all 4 GBs.

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