Linked by Thom Holwerda on Thu 7th May 2009 18:01 UTC
Windows Windows XP Mode, the virtualisation tool currently in beta for Windows 7, only works on processors with virtualisation extensions, known as AMD-V and Intel VT-x. Microsoft made this clear from the get-go, but still various news websites regurgitated it as "news" yesterday that some Intel processors do not support XPM. Twenty-four hours down the road, and Intel had a few things to say about this.
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Comment by Kroc
by Kroc on Thu 7th May 2009 18:34 UTC
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Reasons why XPM only supports VT-capable processors:

* ‘Thinner’ virtualisation. Faster.

* More secure. The VM cannot escape the sandbox

* Less code to write/support back-porting to non VT-capable CPUs

* Business customers only—less diversity to target

* Optional install—use another of the million solutions out there if XPM does not work for you.

In short, Microsoft are keeping things simple (for once). Having to enable VT in the BIOS is a blow though. Thank you BIOS/Mobo OEMs for your 25 year old system that’s been hindering us ever since.

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