QPI ports in Core i7?

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E-flat
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PostPosted: Tue Jan 06, 2015 2:36 am    Post subject: QPI ports in Core i7? Reply with quote

From what I consulted, QPI is for communication between CPUs.
Xeon E5 2600 v3 has two QPI port (totally 88 pins if i am right)
However, the Core i7 5960X do not support multi CPU solution.
Does it mean these pins are actually empty (not linked?) in a Core i7?
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mavroxur



Joined: 06 Jul 2005
Posts: 1192
Location: Wichita Falls, TX

PostPosted: Tue Jan 13, 2015 3:17 pm    Post subject: Reply with quote

The QPI is for processor to processor, processor to device (such as an MCH) or device to device (between hubs, hubs and processors, etc). Some i7 processors expose the QPI externally, but most other processors use it internally to connect the processor to the memory controller, and interface the system through DMI or PCIe connections. Now, just because the processor exposes the QPI doesn't mean the board maker will use it.
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