32 or 64??

Gilles Gravier ggravier at fsfe.org
Tue Feb 2 15:54:52 UTC 2010


On 02/02/2010 16:45, Karl F. Larsen wrote:
> Chan Chung Hang Christopher wrote:
>>> 	It has 4 plugs for RAM so it will take that much. I just ran 
>>> top and for some reason I have 1801764000 bytes of RAM now 
>>> which if you simplify is 1.8 GB. I wonder why not 2.0 GB?
>> I bet 256MB of RAM has been alotted for another purpose: graphics
> 	You may be right! Wonder how I find out if that is true?
Documentation is a good place to start. If your machine is a laptop and
the onboard graphics controler uses "shared" memory with the system,
then that's it.

Also... in a shell window, type "dmesg | more" and look in the first few
pages... you can see that memory is reserved by the BIOS for various


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