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Mac Pro ICH

post #1 of 7
12/26/12 at 12:29pm
Thread Starter 

Digging deeper on the Mac Pro's architecture and bottlenecks I 'discovered' the I/O Controller Hub (shortly ICH).

 

I read that it maxes out at 660MB/s, though I can't find more information about Apple's southbridge.

 

Is there anyone here who knows more about it and could tell me where I can find more technical details about the ICH? Is it the same for all generations of Mac Pro?

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post #2 of 7
12/26/12 at 4:11pm

Read and be wise.

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post #3 of 7
12/27/12 at 4:44am
Thread Starter 

I've read it already long ago... No mention of the Mac Pro.

So apparently I'm not wise enough, that's why I ask it here...

 

Anyone who can provide me info about the ICH in the Mac Pro?

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post #4 of 7
1/1/13 at 6:13am
Thread Starter 

Nobody who can answer?

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post #5 of 7
1/1/13 at 11:32pm
Quote:
Originally Posted by MathiasB View Post

Nobody who can answer?

Seeing your name all over the places that one would search for this info I presume you already have read this, but in case not:


Quote:
Enterprise Southbridge Interface (ESI)
The North Bridge and South Bridge ICs are connected by an Enterprise Southbridge Interface (ESI) bus, a high-speed, bidirectional, point-to-point link supporting a thruput of 1 GBps in each direction.

But that info is from 2008 and from a retired doc, o no, I don't know for sure. Sorry 'bout that.
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post #6 of 7
1/2/13 at 12:36am
Thread Starter 

Thx, I've indeed asked this on other forums.

 

Theoretically (= following that document) should it reach up to 1GB/s, other report it practically goes up to 660MB/s, or 800MB/s.

So I really don't know what to follow...

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post #7 of 7
1/2/13 at 1:11am
Quote:
Originally Posted by MathiasB View Post

Thx, I've indeed asked this on other forums.

Theoretically (= following that document) should it reach up to 1GB/s, other report it practically goes up to 660MB/s, or 800MB/s.
So I really don't know what to follow...

Mail the owner of this site: http://macperformanceguide.com

He's very kind, responsive and knows stuff like this. I wouldn't be surprised if he not only knows the answer, but can give you solid advise on how to configure your Mac Pro.
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