Hello,
I want to purchase Intel Q9650 but I am confused about compatible MotherBoard. Your website recommends using it with Q45 Series Boards. (http://www.intel.com/performance/desktop/digoffice/index.htm?iid=perf_desktop_lhn+digital_office).
I chose DQ45CB but then I learnt that even DG45ID supports the same processor but I could not find the comparison of the same processor with different MotherBoards.
I want to know:
My interest in DG45ID grew because it supports HDMI but I am mainly concerned about performance otherwise. Please help.
Please let me know so that I may make the purchase accordingly.
With Regards,
Amit Saxena
correction, VT-d option with XEN did not work with SuperMiro C2SBA+II, I also tested it with C2SBC-Q (chipset Q35), the options are there in the BIOS but it didn't work with Xen 3.2 and CentOS 5.2 x86_64 :-(
Hello
I think you need xen3.3 to get it to work,
maybe you can test your Mainboards and te evt-d option with xen3.3 or
also with kvm because i am also interrested in one of these Mainboards
Greets
Sven
I have the BioStar TPower X58 motherboard that has Intel VT-d. I've just enabled this in the BIOS.
I installing the VM Ware workstation.
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You can't find VT -d in processor options. It is usually under "North bridge"
See this article:
Hi Aamir,
Thanks for the information about VT-d support. In fact, like many other people, I have been googling regarding what kind of platform combination has VT-d enabled (or at least supported), but with no precise answer. The story behind this was that I was looking for a new C2D/C2Q CPU that had both VT-x and VT-d, and I found some graphs/tables depicting some CPUs had both VT-x and VT-d, whereas some only had VT-x (like C2D E7x00, C2Q Q8x00). Therefore previously I assumed that to get VT-d, you needed not only the motherboard chipset but also the CPU to have VT-d support (assuming BIOS has VT-d option and CPU has VT-x).
However, the more I searched, the more queries I started to wonder. Obviously, different people say different things. So I tried to look up something official from Intel's sites, including http://ark.intel.com . Something odd to me was e.g., if I put C2D E8400 + Q45 set into a comparison table like this (http://ark.intel.com/Compare.aspx?ids=33910,36527,34394,), the two Q45 set columns will show VT-d ticked, whereas E8400 does not have VT-d ticked. Same thing happens to E6750 + Q45 table. This did surprise me a lot as I have Intel DQ45CB mobo and E6750 CPU with VT-d enabled in BIOS, and I assumed VT-d was enabled on my rig as I found the VT-d option ticked in not only Vmware ESXi 4 but also a detection software called hwinfo32.
So I googled more and found some datasheets regarding VT-d. If I'm not mistaken, as per docs and architecture graphs, my hunch tells me that VT-d support has something more to do with motherboard chipset (northbridge+memory controller?). I understand VT-d also relies on VT-x which exists on CPU. If the prerequisites of BIOS and VT-x are both met, is it right to assume that VT-d is "mainly" controlled by motherboard chipset? e.g. If I buy a C2D E7500 with VT-x enabled and put it on my DQ45CB mobo, can I still get VT-d activated?
Lots of people who have been looking for an official list regarding VT-d enabled platforms are with no luck as there are heaps of assumings. So I'm asking some experts here from Intel for help. Sorry for the lenghty info.
Thanks in advance!
So, did you get any joy from the Intel guys?
This VT-d stuff seems to be a real black art.
Regards
Marty
You are correct in your statement that VT-x is a CPU feature, whereas VT-d is a chipset feature. But both must be supported and enabled in the board's BIOS. Intel Customer Support is working on a list of Intel boards that have VT-x and VT-d. It is currently undergoing review. I'll post back here once it's published.
I am trying to get a Parallels Workstation Extreme installation to be able to share pcie graphics and network devices. Currently I have an i7 / x58 system but its bios seems to not allow sharing.
So my question is, where is your list of Intel motherboards that supports this sort of feature (sharing devices in a virtual os)?
Thanks.
During my hunt for more information on VT support within motherboards I found this link:
http://www.intel.com/support/motherboards/desktop/sb/CS-030922.htm
This gives a list of the chipsets and the motherboards, which support VT. It also gives an expanation of VT and what are the prerequisites to get it working. Although it lists a number of boards I would suggest that you confirm it as I have a DG45ID (OEM) and I have not yet been able to verify why the VT option appears to be missing in the BIOS.
During my hunt for more information on VT support within motherboards I found this link:
http://www.intel.com/support/motherboards/desktop/sb/CS-030922.htm
This gives a list of the chipsets and the motherboards which support VT. It also gives an expanation of VT and what are the prerequisites to get it working. Although it lists a number of boards I would suggest that you confirm it as I have a DG45ID (OEM) and I have not yet been able to verify why the VT option appears to be missing in the BIOS.
Why can not intel list a mtrix of which CPUs Vs Motherborads support VT-D? The lack of information makes you
thank that AMD (only) has their act together.
Please give me Intel Motherboard Model No with VT Technologies
