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

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@xxxxxxxxx>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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