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Nehalem won't need a Northbridge

Soldato
Joined
17 Dec 2006
Posts
8,240
Apparantly Nehalem CPU's will eliminate the need for a Northbridge on a motherboard, I guess this is great news.

Xbitlabs said:
Since both Lynnfield and Havendale have memory controller as well as PCI Express interconnection inside, there will be no need for GMCH (or North Bridge) on the mainboard. Instead, the new processors will connect directly to code-named Ibexpeak platform controller hub (PCH) that will carry hard drive controller, wired and wireless network controllers, monitor physical interfaces, PCI controller and other input/output as well as platform-related capabilities.

Story
 
You still have a chipset, just the MCH isn't part of it, like AMD setups.

Jokester

Edit: In fact the CPU will also include the PCI-E controller as well.
 
This is good news, I expect they'll need 45nm to reduce the heat to a reasonable level though.
 
This is good news, I expect they'll need 45nm to reduce the heat to a reasonable level though.
I'm pretty sure that Nehalem will be 45nm to start with and then 32nm not long after.

There was more info on Nehalem arc. in this thread and it's links in case you're interested.
 
So in lamens terms (for me. lol) does this basically mean, yes, there is still a northbridge but just that some of the features which are currently handled by it are going to be ran direct from the CPU instead? Basically.... reducing overheads?

Cheers. :)
 
So in lamens terms (for me. lol) does this basically mean, yes, there is still a northbridge but just that some of the features which are currently handled by it are going to be ran direct from the CPU instead? Basically.... reducing overheads?

Cheers. :)

Might actually cause more problems, if Intel stick to the FSB solution. More traffic concentrated on the CPU, instead of between SB and NB.
 
Aye, it was something I was expecting to see AMD to market first with, they've talked it up for a good few months now.

Jokester
 
So let me recap my shoddy knowledge on the northbridge . . . . it acts as a kinda hub between all the high speed components (Memory, Graphics what else?).

So by placing the northbridge in the CPU itself the high speed data all goes direct through the processor and latencies are reduced hmm. . .

I can also see some downside in as much as when you swap out one of these CPUs for another one the memory controller could act differently, if the chip gets to hot (from overclocking) you may run into memory problems or in the worst case scenario you could fry the memory controller?

Whats it all about then in laymens terms? reduced costs and lower latencies?
 
Good to know but my thoughts are, is this something to be excited about?

I mean is any part of this 'Killer' in any way? :confused:

In actual use I mean? will game FPS increase quite a lot or something similar?
 
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