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