Detecting increased RAM in Debian Sarge

[Lennart Sorensen]

On Wed, Feb 21, 2007 at 08:50:54PM -0500, Meng Cheah wrote:
> Thanks for the help.
> 
> I did some googling and found the section below in the 
> /boot/config-2.6.8-2-386 file.
> I guess I have to recompile my kernel with CONFIG_NOHIGHMEM=n and 
> CONFIG_HIGHMEM4G=y.
> 
> #
> # Firmware Drivers
> #
> CONFIG_EDD=m
> CONFIG_NOHIGHMEM=y
> # CONFIG_HIGHMEM4G is not set
> # CONFIG_HIGHMEM64G is not set
> CONFIG_MATH_EMULATION=y
> CONFIG_MTRR=y
> # CONFIG_EFI is not set
> # CONFIG_REGPARM is not set

That means you are running a kernel limited to 900MB ram.

If you install kernel-image-2.6-686 (which will pull in 2.6.8-3-686) you
will get a kernel with support for up to 4G ram.  The 386 default kernel
is not optimized (it has to run on 386) and is limited to 900MB ram (no
386/486 had that much anyhow and it is slightly faster that way).

--
Len Sorensen
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