What version of Red Hat Enterprise Linux is required to support AMD processors with greater than 40-bit physical addressing?

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When running in 64-bit mode, AMD processors that support greater than 40-bit physical addressing require Red Hat Enterprise Linux 4 (Update 6 or the Update 5 errata kernel-2.6.9-55-0.12, updated after November 1st 2007) or Red Hat Enterprise Linux 5 for support. Failure to implement these minimum Red Hat Enterprise Linux versions may lead to serious system errors. These CPUs i...

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