On Tuesday 19 June 2012, "Hugh E Cruickshank" <hugh at forsoft.com> wrote: > I have an HP DL380G5 server which I am loading CentOS 6.2 on and it > does not appear to recognize all of the RAM installed on the server. > The BIOS is reporting 26GB however top is reporting: > > Mem: 15720140k total, 418988k used, 15301152k free, 30256k > buffers Swap: 17956856k total, 0k used, 17956856k free, 135536k > cached > title CentOS (2.6.32-220.17.1.el6.i686) I can't find the limit for CentOS 6, but CentOS 5 x86 was limited to 16 Gb of RAM: https://www.centos.org/product.html . You should use x86_64. -- Yves Bellefeuille <yan at storm.ca> "La Esperanta Civito ne rifuzas anticipe la kunlaboron de erarintoj, se ili konscias pri sia eraro." -- Heroldo Komunikas, n-ro 473.