Maximum number of usable logical processors on RHEL 5 with Intel® Xeon® 5500/6500/7500-series processors

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Issue

What is the maximum number of usable logical processors when using Intel® Xeon® 5500/6500/7500-series processors (formerly codenamed "Nehalem EP" or "Nehalem EX") on Red Hat Enterprise Linux 5?

Environment

Red Hat Enterprise Linux 5
Intel® Xeon® 5500/6500/7500-series processors (formerly codenamed "Nehalem EP" or "Nehalem EX")

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