I am sure this has been covered before, but I can find it in my archives.

I loaded up a new server IBM x3650, 2x Intel dual core cpu’s I installed additional RAM to take it up to 7 gigs according to http://www.centos.org/product.html#seven CentOS 5 x86 which I am using supports up to 16gigs of RAM. Once I boot up CentOS only see’s about 3.2Gigs of Ram.

 

I installed the kernel-PAE package and upgraded my kernel to 2.6.18-53.1.13.el5.

 

Searching on the web the suggestions are that I done the above, as I have done to sort out my problem buy nothing seems to work.

 

Any help would be much appreciated

 

Allan