[CentOS] OS does not see all my RAM
Ted Kaczmarek
tedkaz at optonline.netMon Oct 3 15:32:08 UTC 2005
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On Mon, 2005-10-03 at 10:33 -0400, Robin Mordasiewicz wrote: > My BIOS shows all my RAM, but when I boot up linux it does not see all the > RAM > > I have two one GIG sticks of RAM, which show up in my bios, but when > typing free, I see that it only shows 256Megs. > > Is there a way to specify the amount of RAM if linux cannot detect this, > or how can I fix/tweak the OS to recognize the amount of RAM > > my OS is centos-4-x86_64 on a DELL 1850 > > [root at smtcorav02 ~ ]# free > total used free shared buffers cached > Mem: 251360 220136 31224 0 3932 64748 > -/+ buffers/cache: 151456 99904 > Swap: 524280 0 524280 > > Some video cards swipe some ram, maybe this is what you are seeing. I have also seen hardware based agents swipe ram as well. Regards, Ted
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