Don't know why you're still using CentOS 3.9, but if you need it for a specific application, have you tried upgrading to a new vanilla 2.4 kernel from kernel.org (2.4.37.10)?
> While running kernel 2.4 (such as CentOS-3.9) on the R610 with a quad > core (E5620) CPU all works fine, except that only one of the cores is > recognized. A 2.6 kernel recognizes all cores. When trying the same > 2.4 kernel on a different board (not from Dell, but Intel's) utilizing > a slightly different CPU (E5540) all cores are recognized _______________________________________________ Linux-PowerEdge mailing list Linux-PowerEdge@dell.com https://lists.us.dell.com/mailman/listinfo/linux-poweredge Please read the FAQ at http://lists.us.dell.com/faq