On Tue, May 20, 2008 at 8:13 PM, Nicholas <nicholas at oscc.org.my> wrote: > Typically Linux hackers can hack the kernel to use very large RAM. Current > applications are built to access up to 4Gb RAM at a time only. For machines > with RAM of more than 4Gb you need to verify that the CPU comes with > Physical Address Extensions (PAE). Call Intel to verify this CPU is with > PAE. So, now its the Linux kernel that you need to turn to. > > CentOS 5.1 64 bit should not have this limitation. However, the following > method allows up to 64Gb out of box for CentOS 5.1 32bit (u can try this if > the 64bit didnt work out). You are missing the point about the bug in some Intel chipsets. http://www.google.com/search?q=intel+chipset+kernel+4gb