Ubuntu Kernel and 4GB RAM

Jonathan Carter jonathan at clug.org.za
Wed Apr 5 17:24:21 UTC 2006


Hi Robert

On Wed, 2006-04-05 at 10:47 +0200, Robert Entner wrote:
> I am using a Pentium D with intel 955 Chipset and 4GB of RAM. The
> Ubuntu 32bit 686 Kernel (Breezy) only detects 3GB (/proc/meminfo). I
> heard also the Dapper kernel can only address 3GB. Just the Dapper
> Server-Kernel can make use of 4GB but has some "server optimizations"
> which lead to longer subjective response times on the desktop.

The Intel board map the last gigabyte memory as 4-5GB. So since the
usual 686 kernel only supports 4GB, it won't detect the last GB of RAM.
Installing the server kernel, which supports up to 64GB of RAM, should
solve your problem, which you can install by the package name of
'linux-image-server'.

hth

-Jonathan





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