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VT-D support / Intel DZ68BC

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January 7, 2012 2:56:14 AM

Hello,

I've been looking for a motherboard that will support VT-D to pass through a video card. At first, I thought it was only the processor that needs to support it, but from reading some articles on the net, it seems the motherboard also needs to support it.

I will use the i7-2600 processor, which does support VT-D, but I cannot seem to find a motherboard that claims to support it, other than the Asrock Gen3 and Gen4. I have called Asus and Gigabyte and they don't even seem to know what VT-D is.

Today, I was on with Intel support and according to them, as long as the motherboard fully supports the processor, it will work and he said this Intel motherboard (DZ68BC) will work. I never really hear of anyone bragging that they bought an intel motherboard, so I have no idea if they are good or not. This one did get 5 eggs on Newegg though. Any thoughts?

Also, how does one know if a board "fully" supports the processor? Maybe all the Asus 1155 socket boards do support VT-D and just won't say it in the manual?

Any help would be appreciated

More about : support intel dz68bc

a b V Motherboard
a b å Intel
January 7, 2012 3:30:29 AM

vt-d is a processor specific instruction set. to use vt-d, you'll need a non k cpu like core i5 2400, 2500 or core i7 2600 (like the one you chose).
intel motherboards usually focus on stability rather than features. motherboard choice is usually individualistic. people who buy from one brand and is satisfied will support them.
you gotta make sure the software and other devices you use also support vt-d.
edit: struck out the stuff that i am not sure about after my latest round of re-search.
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a c 107 V Motherboard
a b å Intel
January 7, 2012 4:14:58 AM

Actually some mobos will block the feature. Unfortunately all asus and gigabyte z68/p67 do not support vt-d. It may say it does support it in the manual but if you contact asus they will say it's a typo. AFAIK all z68 asrock and msi will support it. (But I would still google the specific board just in case.) Some intel boards don't support it, here's a list. http://www.intel.com/support/motherboards/desktop/sb/cs...
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Related resources
a b V Motherboard
a b å Intel
January 7, 2012 4:21:35 AM

k1114 said:
Actually some mobos will block the feature. Unfortunately all asus and gigabyte z68/p67 do not support vt-d. It may say it does support it in the manual but if you contact asus they will say it's a typo. Asrock and msi will support it as well as any q67. Some intel boards don't support it, here's a list. http://www.intel.com/support/motherboards/desktop/sb/cs...

damn... didn't know that asus doesn't support vt-d. i hadn't seen any indications like that when i searched.
does this mean the intel h67, z68 boards won't support vt-d? looks like only q-series chipsets support vt-d.
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a c 107 V Motherboard
a b å Intel
January 7, 2012 4:34:16 AM

AFAIK z68, p67, h67, q67 chipsets support it. But not all the boards do. Only the intel ones on the list support it.
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a b V Motherboard
a b å Intel
January 7, 2012 4:51:05 AM

i thought that the Z68, p67, h61, h67, q67, b65 series support vt (i assume that's vt-x), only Q67, Q57, Q45, Q35 support vt-d (from that intel link). intel's q65 doesn't seem to support any vt/vt-d
i've searched for a long time for motherboards that support vt-d, but never found any concrete info except the cpus supporting it. another thing i noticed was that intel lists intel's own motherboards specifically, not pch/chipsets as a series e.g. 'all z68 support both vt-x and vt-d'.
am i missing something here?
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a b V Motherboard
a b å Intel
January 7, 2012 5:19:44 AM

in my second (5th and 6th actually) round of googling, everything seems to mirror what i've found before and what k1114 (really big help, man) said.
another thread from tom's (this one focuses on gaming, though):
http://www.tomshardware.com/forum/336186-33-full-gaming...
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a c 107 V Motherboard
a b å Intel
January 7, 2012 5:21:21 AM

Vt is vt-x. There's been a a lot of discussion/confusion about which actually support it. Some bios updates enabled it, some disabled it. DP67BG did support it in bios version 1815 but is now on the non-support list so I assume they disabled it again. You can still search asrock and msi z68 do still support vt-d. I still see a couple h67 support it. I'm actually not concrete on the others so edited my posts (h61, b65, q65).
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January 7, 2012 1:45:14 PM

I don't really get why they are not supporting it

From the link that K1114 posted, the intel guy was full of crap because according to the site, the DZ68BC does not support VT-D, only VT
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January 7, 2012 2:00:30 PM

I remember someone telling me on this site that the Asus P8B WS supports it and according to asus.com, as of BIOS from 7/5/11, it does to seem to support it. Maybe I'll just get that one
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a c 107 V Motherboard
a b å Intel
January 7, 2012 3:55:22 PM

The p8b is c206 which is the server/workstation chipset so is a common feature. They'd get so much crap if it was blocked on that. My suggestion would be to go with a q67 which is on the intel list, http://www.newegg.com/Product/ProductList.aspx?Submit=E... or just go with a asrock z68 as q67 won't support IB.
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a c 716 V Motherboard
a b å Intel
January 7, 2012 4:43:40 PM

Most of the above is correct, my choice is the ASUS P8B WS http://www.asus.com/Motherboards/Intel_Socket_1155/P8B_... and NewEgg http://www.newegg.com/Product/Product.aspx?Item=N82E168... I have built two systems off that MOBO and zero issues to date. Note the ASUS might require a BIOS update for VT-d support 0605 or higher. The last build was using ECC and Xeon E3-1275; this Xeon has iGPU support.

Intel supported MOBO's -> http://www.intel.com/support/motherboards/desktop/sb/CS....

Build - prices not updated (pre HDD flood pricing), more FYI:


CPU 350 Intel Xeon E3-1275 http://www.newegg.com/Product/Product.aspx?Item=N82E168...
MOBO 230 ASUS P8B WS http://www.newegg.com/Product/Product.aspx?Item=N82E168...
RAM 96 Crucial UDIMM 2x4GB DDR3 1333 ECC CT2KIT51272BA1339 http://www.crucial.com/store/listparts.aspx?model=P8B%2...
SSD 210 OCZ Vertex 3 Series – MAX IOPS VTX3MI-25SAT3-120G 120GB http://www.newegg.com/Product/Product.aspx?Item=N82E168...
HDD 60 SAMSUNG Spinpoint F3 HD103SJ 1TB http://www.newegg.com/Product/Product.aspx?Item=N82E168...
HDD 60 SAMSUNG Spinpoint F3 HD103SJ 1TB http://www.newegg.com/Product/Product.aspx?Item=N82E168...
PSU 116 CORSAIR Enthusiast Series TX650M http://www.newegg.com/Product/Product.aspx?Item=N82E168...
CASE 88 CM RC-692-KKN2 CM690 II Advanced http://www.newegg.com/Product/Product.aspx?Item=N82E168...
OS 140 Windows 7 Pro SP1 64-bit - OEM http://www.newegg.com/Product/Product.aspx?Item=N82E168...
ODD 26 ASUS 24X DVDR - Model DRW-24B1ST/BLK/B/AS - OEM http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Total $1,376
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January 7, 2012 5:06:13 PM

thanks everyone. I have considered the Asrock Extreme 7, since it has 3 year warranty or I will probably wind up with the Asus P8B, I'm not really feeling the Intel Q67 boards

If I do go with P8B , should I go with ECC memory? Actually, if I want an i7-2600, I cannot, but I could switch to a Xeon
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April 21, 2012 2:50:51 AM

k1114 said:
Actually some mobos will block the feature. Unfortunately all asus and gigabyte z68/p67 do not support vt-d. It may say it does support it in the manual but if you contact asus they will say it's a typo. AFAIK all z68 asrock and msi will support it. (But I would still google the specific board just in case.) Some intel boards don't support it, here's a list. http://www.intel.com/support/motherboards/desktop/sb/cs...


I called MSI tech support to ask VT-D about the socket 2011 boards. The tech said the boards do not support it. His approach was not conviencing so I went to the user manual and there was a definition of what it is and a note to 'go see the Intel site for more definition". There was nothing stating implementation or BIOS settings.

ray
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