Is there any way I can get access to the rest of my memory?

NoOp glgxg at
Tue Sep 25 19:44:10 UTC 2012

On 09/25/2012 10:35 AM, Graham Watkins wrote:
> On 23/09/12 16:13, Avi Greenbury wrote:
>> into an email so we can see which kernel you're running? Also, how are
>> you testing for the amount of memory available? And do you know which
>> processor you're running? PAE requires cooperation from the CPU, but
>> it's been a very long time since anybody made a CPU that didn't
>> cooperate properly.
> uname -a output: Linux gingecat 3.2.0-30-generic-pae #48-Ubuntu SMP Fri 
> Aug 24 17:14:09 UTC 2012 i686 i686 i386 GNU/Linux

You are already running the PAE kernel, so you can access up to 64Gib of

> According to System Monitor, 3031Mb is available.   According to my 
> bios, 4Gb is installed and 3Gb is usable
And until you change that (see PleegWat's reply), 3GB is all you'll see
- regardless of whether you are running 32bitPAE or 64bit.

Also note that the system monitor reports memory in KiB, MiB, and GiB.
There is a slight difference & has been discussed at length here in the
archives. But the easiest way to see the difference is to use a
calulator like:

and have a read through:

The change from base-2 to base-10 came about in Ubuntu with the 10.10
release. Here's a brief info blob regarding that change:

Confused yet :-)


> Processor: 2x Intel(R) Pentium(R) Dual  CPU  E2180  @ 2.00GHz
> Is this any good for 64 bit?



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