Intel has a White Paper here that talks about Second Level Address Translation (SLAT or EPT in Intel Lingo) here:
Searching around for more information on the what/where/how to figure out whether we were looking at the right settings in the BIOS we found the following:
The answer from David Ott of Intel is that the VT-x BIOS setting is the one that enables EPT/SLAT. In some cases only one Intel VT setting may be shown in the server’s BIOS. It may or may not show that EPT was supported after the fact.
When we do an Intel Ark Compare of the following Intel Xeon CPUs we see that they do indeed show VT-x as being supported:
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So, ultimately it is up to server manufacturers that tailor their BIOS settings to allow us to enable or disable the various Intel Virtualization Technologies.
In our experience Intel makes sure to reveal _all_ of the relevant BIOS settings on their server boards that we can purchase standalone or in Intel Server Systems.
Philip Elder
MPECS Inc.
Microsoft Small Business Specialists
Co-Author: SBS 2008 Blueprint Book
*Our original iMac was stolen (previous blog post). We now have a new MacBook Pro courtesy of Vlad Mazek, owner of OWN.
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