Installing CentOS 6.3 on a non-PAE i686 computer [closed]

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http://stackoverflow.com – I have a problem that I want to install CentOS 6.3 and my IBM Thinkpad T42's architecture is i686 without PAE support. I currently do not have another CentOS install, and my reading led me to believe I will have to recompile the kernel and set the CONFIG_X86_PAE=n in the /boot/config ... maybe, I did find an updated kernel of 3.7.1 with non-PAE support, but how am I suppose to install that module when I can't install the OS on the on the computer? (HowTos)