E5300 & RHEL6 (CentOS 6)

E5300(Core 2系列)有EM64T（Intel採用的x86-64）


E5300規格:
http://ark.intel.com/products/35300/Intel-Pentium-Processor-E5300-(2M-Cache-2_60-GHz-800-MHz-FSB)

RHEL硬體限制:
http://www.redhat.com/rhel/compare/#note_4
http://support.bull.com/ols/product/system/linux/redhat/help/kbf/g/inst/PrKB11417

ESX Server不支援Red Hat Hugemem Kernel :
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=8964517

ref(PAE):
kernel-PAE
http://en.wikipedia.org/wiki/Physical_Address_Extension
http://pacoup.com/2009/05/27/pae-vs-64-bit-what-manufacturers-dont-want-you-to-know/comment-page-1/
http://communities.intel.com/message/132864
http://msdn.microsoft.com/en-us/library/aa366796%28VS.85%29.aspx

ref:
http://www.zimbra.com/forums/installation/4885-rhel4-64-bit-rhel4-32-bit.html