[CentOS] Re: 4gb ram shows as 3.3gb
ssilva at sgvwater.com
Thu Jul 26 22:57:45 UTC 2007
Martin Marques spake the following on 7/26/2007 1:46 PM:
> Tim Verhoeven wrote:
>> Another option is that you try to boot with the PAE kernel. That
>> kernel is made to go over the 4GB boundary on 32bit.
> Didn't work for me. :-(
> [root at newweb ~]# free
> total used free shared buffers cached
> Mem: 3237236 1865956 1371280 0 263588 1279996
> -/+ buffers/cache: 322372 2914864
> Swap: 0 0 0
> [root at newweb ~]# uname -a
> Linux newweb.matematica 2.6.18-8.1.8.el5PAE #1 SMP Tue Jul 10 07:50:36
> EDT 2007 i686 i686 i386 GNU/Linux
The board has to support it. It has to be able to map the underlying memory to
a higher address space, and the bios has to notify the OS where this is. Are
you using a desktop board as opposed to a server board?
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