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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

MBP Memory


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iphoneaddict01

 
Member Since: May 27, 2009
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I recently purchased 2gb of memory for my mbp for a total of 4 gb. I downloaded Rember and performed a mem test, and it says:


Total built-in memory: 3 GB


This is the total amount of physical memory that the computer has installed. If this figure is not showing the correct amount of memory there may be a problem with one or more installed DIMMS.

Available memory: 1962 MB

Available memory is the amount of physical memory that is currently not in use by any other processes. All available memory will be used for testing when the "All" option is selected. To increase the amount of available memory, you can restart your computer before testing. If you are familiar with the command line (CLI), you can run memtest (the core of Rember) in single-user mode. See Rember help, or http://www.memtestosx.org for more information.

Requested amount: All MB

The total amount of memory requested for testing by the Rember application. Not all requested memory can be allocated for testing. See information on "Available memory" for more information.

Memory allocated for testing: 1962 MB

This is the total amount of memory that memtest was able to allocate for testing. See "Available memory" section for more information.


Why am I not showing 4gb? Am I doing something wrong?
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osxx

 
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What model do you have some will allow so much and thats it.
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Gottcha9

 
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if your machine came with 2gb then it would have had 2 1gb chipsets in it. If you bought a 2gb chipset and swapped it with one of the chipsets in there you would have 3gb. Am I missing something here?
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DarkestRitual

 
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Quote:
Originally Posted by iphoneaddict01 View Post
I recently purchased 2gb of memory for my mbp for a total of 4 gb. I downloaded Rember and performed a mem test, and it says:


Total built-in memory: 3 GB


This is the total amount of physical memory that the computer has installed. If this figure is not showing the correct amount of memory there may be a problem with one or more installed DIMMS.

Available memory: 1962 MB

Available memory is the amount of physical memory that is currently not in use by any other processes. All available memory will be used for testing when the "All" option is selected. To increase the amount of available memory, you can restart your computer before testing. If you are familiar with the command line (CLI), you can run memtest (the core of Rember) in single-user mode. See Rember help, or http://www.memtestosx.org for more information.

Requested amount: All MB

The total amount of memory requested for testing by the Rember application. Not all requested memory can be allocated for testing. See information on "Available memory" for more information.

Memory allocated for testing: 1962 MB

This is the total amount of memory that memtest was able to allocate for testing. See "Available memory" section for more information.


Why am I not showing 4gb? Am I doing something wrong?
Also if you bought 2GB, you replace a 1GB stick, and have a total of 3GB (1 + 2 = 3). Probably isn't recognizing more than 2 because you don't have matched pairs? Or maybe the machine/OS is too old to recognize more.
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