How to enable virtualization?

[bogstad at pobox.com (Bill Bogstad)]

On 3/28/07, Scott Ehrlich <scott at mit.edu> wrote:
> If a 64-bit machine has the virtualization special feature for
> simultaneous running of two operating systems (i.e. XP and Linux), how is
> the feature enabled/used?
>
> How would I boot both and switch between them?

You don't.  My (theoretical) understanding is that the new
virtualization features
in some AMD and Intel CPUs don't allow you to boot different operating systems
directly on the machine.  They instead make it much more efficient for
a program
(such as VMware) to provide a virtualized machine in which to boot
your OS of choice.
"Much more efficient" means very close to native speed.

>
> Does the method differ between AMD and Intel?

I believe the AMD and Intel virtuatlization features are different,
but provide similar enough
features that most of the virtual machine software either supports or
will soon support
both of them.

Bill Bogstad

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