[CentOS] Memory Not Recognized

Mon Feb 17 06:33:13 UTC 2014
Barry Brimer <lists at brimer.org>

> On Mon, 2014-02-17 at 00:09 -0600, Barry Brimer wrote:
>>> I noticed that my CentOS 6.5 system reports that I only have about 10.9
>>> GiB of RAM when I actually have 16384M. I have already tried adding
>>> mem=xxM to the end of the kernel line in grub.conf. The result is the
>>> same. Any suggestions?
> No, I built the machine myself. It has an ASUS motherboard. I don't
> think I have any DIMMs turned off.

What is the output of "grep line /sys/devices/system/memory/*/state" ??

If any of them show offline:
echo online > /sys/devices/system/memory/memory[number]/state