Simon Jolle wrote: > Hi Centos Users > > What are the advantages of 64 Bit and respective 32 Bit installation > of Centos? With PAE 32 Bit installation can address huge amount of > RAM. As a desktop system, I prefer 32 Bit installation because of > teething troubles in 64 Bit Linux world. Intel does hardware memory stuff now eh? I know that you do not get a performance slowdown with AMD whether it is 32-bit or 64-bit for anything over 1GB. > > When would you choose 64 Bit and when 32 Bit? We are running mostly > application and web services. Amount of RAM but as you mention this new PAE thing... > > Is this true that with 32 Bit architecture the kernel is limited to 1 GB RAM? No. It is not. The issue is not kernel support but the cpu support of fast memory operations for locations above 1GB which is (was?) non existent on Intel-base cpus and architectures.