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 Asus Sabertooth X79 socket 2011 
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Joined: Thu Sep 27, 2012 1:02 am
Posts: 9
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Post Asus Sabertooth X79 socket 2011
made a big mistake it looks like. i really thought the Sabertooth x79 would support VMDirectPath. vSphere Client returns hardware doesn't support it.

ESXi ver 5.01

the i7-3930 CPU, spec "SR0KY" i have supports VT-d or so i thought so from intel's site. "This product includes VT-d support only on the C2 stepping." which should be C2 according to Intel's site for this spec code. though i think in bios it listed C1.

i also thought X79 chipsets support VMDirectPath.

i updated the Sabertooth BIOS to ver 3009.

is it the CPU or MB that isn't supporting or both?


Sat Nov 03, 2012 6:25 pm
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Joined: Thu Sep 27, 2012 1:02 am
Posts: 9
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Post Re: Asus Sabertooth X79 socket 2011
i RMA'd the CPU. may be this time newegg will send the more current CPU


Sun Nov 04, 2012 9:29 pm
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Joined: Thu Dec 30, 2010 7:55 am
Posts: 104
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Post Re: Asus Sabertooth X79 socket 2011
It is not sufficient to simply buy a chipset that you know supports VMDP. The motherboard manufacturer must take specific steps in the firmware to enable and set it up properly. Most consumer boards are not going to have it enabled, since it is a "server" feature.

Also, as you discovered, the processor must also support it correctly.

Anyway, let us know how you make out with it and whether it ends up working on that board.


Mon Nov 05, 2012 3:12 am
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Joined: Thu Sep 27, 2012 1:02 am
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Post Re: Asus Sabertooth X79 socket 2011
@ehidle,
appreciate the reply. a new CPU is on the way, supposedly ensured its C2 stepping.

as for this MB, other users on asus forum have listed they have had success with VT-d. too, some users have mentioned ASUS BIOS needs to be downgraded. go figure.

if i don't have success after installing the new CPU, i'll order a server type MB, maybe a P9X79-WS if i stay with ASUS.

and i'm getting a bit of an expensive education regarding "... motherboard manufacturer must take specific steps in the firmware to enable and set it up properly", regardless if the chipset is listed as supporting VMDP. ;-)

i'll follow up in a few days after the CPU arrives and i get it installed.


Fri Nov 09, 2012 10:38 am
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Joined: Mon Apr 23, 2012 9:51 pm
Posts: 5
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Post Re: Asus Sabertooth X79 socket 2011
Im curious if you got this worked out. I have a rampage 4 extreme which runs a very similar UEFI and i noticed that you have to specifically enable vt-d in the bios and they have hidden the option, ( trying to remember where, I think it was under cpu features, under a separate tab )

any way good luck with your project.

rody

the option is in /advanced/system agent configuration

it seems like a very strange place to put the vt-d option


Sun Jan 20, 2013 10:07 pm
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