I am running RedHat 5 on a 32 bit system with 2 GB RAM . I have verified that
the hardware supports at least 4 GB RAM. II wanted to add an additional 2 GB
ram. However, issuing the various command to show memory available, it would
only show ~2.5 GB.
So, reading about the PAE kernel, I installed it via RPM and after rebooting,
verified that the /etc/grub.conf file shows the PAE kernel first and the
Default=0. When I run 'cat /proc/meminfo' and 'free -om', it still reports 2.5
GB.
Can someone explain what is going on and what I should do, other than upgrading
to a 64 bit system? I have done this same update on an identical server running
CentOS 5 and it recognizes the 4 GB.
I can provide output from any commands necessary. Just let me know.
Many thanks,
Christopher Adams
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