>> 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" -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list