Martin Marques wrote: > Nick wrote: >> Hi, >> >> Running Centos 5 (32bit)... running a server with 4gb of RAM and it's >> shows up as: >> >> [root at ubercore1 ~]# free >> total used free shared buffers cached >> Mem: 3369544 2549668 819876 0 29008 >> 2382360 >> -/+ buffers/cache: 138300 3231244 >> Swap: 6291448 0 6291448 >> >> I know 4gb is the limit for a 32bit OS but i thought it would be able >> to use all of it? Is there another kernel i was supposed to install? > > The thing is, and I'm still trying to find a solution for one of our > servers, the the memory addresses from 4Gb down are used for PCI, VGA, > onboard stuff, and even though the memory isn't used, the addresses > are, and so they are not passed to the OS. > > Can you send some info on the motherboard you have? > Hi :) Try passing agp=off to the kernel. If AGP is not required.