RHEL 5.1 (32 bit) shows 3GB RAM though there's 16GB physical

[Ramakrishnan Seshadhri]

Hi,

What is your Linux Kernel Version. Is it a PAE kernel (Physical Address
xtension)

Provide the output of  # uname -a.

If your kernel is not a PAE kernel it wont detect your physical memory more
than 3072 MB.

Hope it helps your situation.

Ram

On Tue, Dec 22, 2009 at 10:32 PM, Eugene Vilensky <evilensky at gmail.com>wrote:

> >> why is "top" or "dmesg" showing only 3GB RAM
> >> instead of 4GB if 4GB is the max the 32 bit RHEL
> >> can support?
> >>
> >> Supposedly there's 16GB physical RAM inserted
> >> in the hardware
>
> Could you copy/paste your exact top output as well as the output of
> "dmidecode | grep -e Memory\ Device$ -A5"
>
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