On Wed, Oct 1, 2008 at 11:32 AM, Mike Chambers <mike@miketc.net> wrote:
On Wed, 2008-10-01 at 11:17 -0500, Richard Shaw wrote:

> Maybe someone can word this better than I but here it goes. The memory
> limit is not really tied to the OS "TYPE" (i.e. Windows XP/Vista,
> Linux, etc) but more to the architecture (32-bit vs. 64-bit). As far
> as I'm aware, all 32-bit OS's will have this limitation and all 64-bit
> OS's will not. You can get Windows XP, Vista or Linux in both 32 and
> 64-bit flavors.
>
> So to answer your question (c), yes, if you switch to a 64bit version
> of Linux you will be able to use all 4GB.

Does that work on only 4Gb or more?  I have 2Gb Ram, and running 64bit,
and still only see 1.8Gb of memory, as it did with 32bit as well.


In that case something is definitely reserving some memory. I often see this in systems with onboard video which usually do not have dedicated video ram.

Richard.