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[Xen-users] VT-X on Dell Machines

Hello.  The following discussion (below) was found in the list archives.  I have an additional question concerning this:  Does this mean that VT will never be supported on the current shipping Dell 1850s?  Or can it be enabled with (a hopefully soon to come) BIOS update?  I have reviewed the <http://wiki.xensource.com/xenwiki/IntelVT> web page in attempt to better understand this but I am still a bit confused by VT.  

Some what related, in the case of the current available Dell 1850 configurations, is there a significant performance advantage with Xen when considering 2 x 2.8 GHz Xeon dual-core CPUs vs. 2 x 3.8 GHz Xeon single-core CPUs?

Thank you,

To:     <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject:        RE: [Xen-users] VT-X on Dell Machines
From:   "John Anderson" <johna@xxxxxxxxxx>
Date:   Mon, 20 Mar 2006 13:49:04 -0700

Well, it took me a while to get power hooked up for the new Dell 1850
dual dual-core EM64T box, but I finally was able to test VT on it.  It's
bad news.  No VT support. :-(  

John A.

-----Original Message-----
From: K. Scott Bethke [mailto:scott@xxxxxxxxxxxxxxxxx]
Sent: Monday, March 13, 2006 3:02 PM
To: John Anderson
Subject: Re: [Xen-users] VT-X on Dell Machines

Its like you're reading my mind..  we use the 1850's/1855's and 2850s  
and will order the dual-cores if it is supporting VT now.   Let me  
know what you find.

-Scott Bethke
CTO, Carpathia Hosting, Inc

"The whole world steps aside for the man who knows where he is  
going." ...  Unknown author

On Mar 13, 2006, at 4:58 PM, John Anderson wrote:

> I have a dell dual core 1850 here I'm going to be testing this on  
> later
> today.  I already know that Pacifica support is NOT available in  
> the new
> SunFire AMD servers from Sun.  I'll know if the Dell will work  
> later on.
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of K. Scott
> Bethke
> Sent: Monday, March 13, 2006 10:37 AM
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] VT-X on Dell Machines
> On Mar 13, 2006, at 12:31 PM, Luke wrote:
>> Anyone know if any Dell Desktops support VT-X extensions?  I see
>> that they (the XPS 600 and 400) can come with 9xx Pentium D chips,
>> and the 945P chipsets.  But has anyone verified that the BIOS
>> updates available include VT-X support?
> Same question on the Dell server line, do any of them support VT yet?
> _Scott
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