Sign in with
Sign up | Sign in
Your question

Dual I7-975 processor extreme motherboard

Last response: in Motherboards
Share
January 21, 2010 11:09:27 PM

I am looking for motherboard(s) that hold two i7-975 extreme processors preferable with minimum 2 pci-e 2.0 video slots




thanks
Norcen
a b V Motherboard
January 22, 2010 12:24:14 AM

what is this for?
a c 229 V Motherboard
January 22, 2010 2:01:41 AM

Norcen said:
I am looking for motherboard(s) that hold two i7-975 extreme processors preferable with minimum 2 pci-e 2.0 video slots


thanks
Norcen
You can't install two i7-975 Extreme on a dual socket motherboard. You need to install Xeon 5500 series processors.
Related resources
January 22, 2010 2:46:31 AM

thanks for the info, and drat

norcen
June 7, 2012 2:54:52 PM

GhislainG said:
You can't install two i7-975 Extreme on a dual socket motherboard. You need to install Xeon 5500 series processors.

Why not? please explain.
a b V Motherboard
June 7, 2012 2:59:57 PM

Dual CPU LGA 1366 and LGA 2011 systems need an extra QPI link that the i7s lack because Intel doesn't want people to be able to build cheap dual-socket systems anymore. Xeons have the extra QPI link (some Xeon platforms have even more to support quad and eight CPU systems) that links them so that they can communicate directly and at high speed.
a c 75 V Motherboard
June 7, 2012 7:27:12 PM

The reason for not being able to run 2 of them on a board comes down to some instuction sets on the processor. UP (Uni Processors) are designed to only work in a single processor set up. The Intel® Core™ i7-975 Extreme Edition or the Intel Xeon® E3-1200s are UP processors. DP (Dual Processors) are designed to work in a single or dual configuration. The Intel Xeon X5690 or Intel Xeon E5-2640 are DP processor. MP (Multi processors) are designed to be used in single or more processor configurations. The Intel Xeon E7-8870 is a MP procesor.

The best answer for using 2 socket 1366 processors in a gaming/graphics system would be a board like the Intel® workstation S5520SC and a couple Intel® Xeon® X5690, but this is an old system.
a b V Motherboard
June 7, 2012 11:57:33 PM

They lack a QPI link necessary for it too.
!