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To: Elmer Phud who wrote (2027)8/26/2007 4:25:03 PM
From: combjelly  Read Replies (1) | Respond to of 2596
 
"A Nehalem will have it's own IMC and there's nobody to arbitrate with."

Not necessarily. I/O, for example will likely have to be arbitrated. Or other processors connected to the CSI if they want to access memory on that processor. So there are potentially a lot of others to arbitrate with.

Now, it may be that Intel has implemented things so that arbitration isn't necessary. Not sure how they would do that, though.



To: Elmer Phud who wrote (2027)8/26/2007 4:29:20 PM
From: mas_  Read Replies (2) | Respond to of 2596
 
What you get from FB-Dimm not going through the Northbridge is on-die FB-Dimm down to the latency of legacy Northbridge-DDR2 but *not* AMD's direct CPU-DDR2.


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