The 4GB problem

[Nicolas Roussi]

Hi everybody,
I know this has been addressed before but I cannot find instaructions on how
to overcome it. I am a bit of a noob on this. I have an edubuntu
server 7.04setup with 40 thin clients. I installed the 32bit version
of the server and
have installed 8GB RAM on my Tyan s2925 with a dual Opteron 1220. Only
3.4GBof RAM are recognized. I know there is a solution that you enable
some
feature in the kernel. Questions:
1. COuld someone please point me towards some tutorial on how to do that?
Has anyone tried it before?
2. Everyone of my users is pulling 150MB RAM for nautilus. Is this normal?
My clients have 512MB RAM and are dual core celerons. Is there a way to let
the clients do more processing?
Thanks in advance for everything.
Regards

-- 
Nicolas Roussi
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