Quoting mcclnx mcc <mcclnx at yahoo.com.tw>: > I would like confirm one thing. Based on what I saw Redhat document before, > look like CENTOS 5 (X86, 32 bits) only support 16 GB RAM. > > Is this correct? Yes. I believe if you have more than 16 GB of RAM then it is recommended to use x86_64. Barry