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Date: Wed, 21 Dec 2011 22:56:11 -0600
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From: Adam Vande More <amvandemore@gmail.com>
To: Joshua Boyd <boydjd@jbip.net>
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Cc: freebsd-stable <freebsd-stable@freebsd.org>
Subject: Re: FreeBSD 9 RC3 and VirtualBox
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On Wed, Dec 21, 2011 at 1:30 PM, Joshua Boyd <boydjd@jbip.net> wrote:

> On Wed, Dec 21, 2011 at 2:22 PM, Joshua Boyd <boydjd@jbip.net> wrote:
>
> > Thanks.
> >
>
> Nevermind. This "new" work computer is 64 bit but doesn't have the right
> chipset features to support 64bit guests.
>
> Lame.
>
> Sorry for the noise.
>

VT-x(or the AMD equiv) is a CPU feature and is necessary to run 64-bit
guests.  VT-d(or the AMD equiv)/IOMMU is the what is done in the chipset
however it isn't necessary to run 64-bit guests.  Both of these features
are only found on CPU's supporting long mode.

-- 
Adam Vande More