Anthony, (2010年08月20日 06:13), Mayhall, Anthony J. (MSFC-ES53)[Dynamic Concepts Inc.] wrote: >> Can I install CentOS 5.4 on an Intel based system that is not an Itanium system? The system BIOS has support for EFI and can boot to an EDI shell. CentOS6 x86_64 will install on Intel EFI system. To boot from EFI shell, boot media must have /efi-boot area. You can test at Fedora13 x86_64 media. Tsuyoshi.