Xen users - Mar 2006 - Intel VT-x resources & supported processors

Folks --

I''m trying to upgrade my home computer systems and wanted to do so  
with Intel processors that support VT-x.  I''ve been looking all over  
the Intel web site for a list of specific processors that support VT- 
x and have found the following resources.  I will doubtless post this  
all to the Xen wiki at some point, but I thought I''d start with an e- 
mail.  Please reply with follow-up e-mail for corrections and  
clarifications.

First, here''s Intel''s Virtualization Technology Specification
for the
IA-32 Intel Architecture (which includes IA-32 with EM64T):

ftp://download.intel.com/technology/computing/vptech/C97063-002.pdf

Intel''s Software Developer FAQ: Intel Virtualization Technology

http://www.intel.com/cd/ids/developer/asmo-na/eng/223724.htm

Intel''s Virtualization Resource Center:

http://www.intel.com/business/bss/products/server/virtualization.htm

Intel''s Virtualization White Paper:

http://www.intel.com/business/bss/products/server/virtualization_wp.pdf

Interestingly, here''s the XenSource Inside Xen 3.0 White Paper:

http://www.intel.com/business/bss/products/server/ 
xen_virtualization_wp.pdf


Intel processors that support virtualization in hardware:

1) Pentium D 900 series (not the 800 series)

http://www.intel.com/products/processor/pentium_D/index.htm

2) Pentium 4 Extreme Edition 955 and 965 (not 840)

http://www.intel.com/products/processor/pentiumXE/index.htm

That''s all that I could find on the Intel web site that specified  
support for VT.  Please add to this list with updates.

-- Randy





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I wrote:
> Intel processors that support virtualization in hardware:
>
> 1) Pentium D 900 series (not the 800 series)
>
> http://www.intel.com/products/processor/pentium_D/index.htm
>
> 2) Pentium 4 Extreme Edition 955 and 965 (not 840)
>
> http://www.intel.com/products/processor/pentiumXE/index.htm
OK, a couple more:

3) Pentium 4 supporting Hyper Threading 662 & 672 only

http://www.intel.com/products/processor/pentium4/index.htm

The Pentium 4 web site doesn''t say anything about VT.  But, the  
product comparison chart does:

http://www.intel.com/products/processor_number/index_view_p4.htm

4) Intel Xeon processor 7000 series

http://www.intel.com/products/processor/xeon/index.htm

I saw on theregister.com that the Pentium D 920 will not be upgraded  
to the new C-1 (Conroe) core, which will feature reduced power  
consumption.  But, the rest of the Pentium D line up will.  Also,  
theregister.com is predicting deep price cuts in the Pentium D line  
in April:

http://www.reghardware.co.uk/2006/03/21/intel_q3_desktop_cpu_price_cuts/

I think this is the complete line of Pentium processors that support  
VT technology.  I''ll build a Xen wiki page for this information this  
weekend.

-- Randy

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