Sunday, June 28, 2015

memory - Why our server with centOS i686 showing 14 GB usable RAM

We have CentOS server 6 i686 (installed by previous employee) on blade server which is having 32GB RAM (4GB x 8 slots).
The usable RAM is 14GB.


My question is why it is showing 14GB instead of 4GB, which is maximum for 32-bit OS.
Can I remove RAM in 4 slots to have total 16GB RAM, then what will be the usable RAM?

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