[rhelv6-list] RHEL6 x86 on system with 4 GB memory

[Steve Allen]

"Jonathan M. Polom" <s0nic0nslaught at gmail.com> wrote:
> I have Red Hat 6 x86 installed on a Pentium 4 system with 4 GB system
> memory. Although the default kernel has PAE capability (no modules in
> lsmod but it's a requirement for the x86 variant so it's likely
> compiled in) it claims total system memory is about 3.3GB (via top or
> gnome performance monitor). How do you get RHEL6 to see >= 4GB memory?
> Is it a kernel argument or something else?

PAE has to be enabled in the BIOS.  If you don't have that option in the
BIOS, you just can't do it.  I'm in the same position, 4GB RAM, but no
PAE in the BIOS, so all I get available is about 3.3GB.

Steve