Messages in this thread | | | Date | Wed, 25 Jun 2003 19:39:50 -0400 | From | Timothy Miller <> | Subject | Re: AMD MP, SMP, Tyan 2466 |
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Timothy Miller wrote:
> It is my understanding that the registered memory requirement has > nothing to do with SMP but instead with the amount of memory you have. > The more memory chips you have, the greater the signal loading on the > memory bus. More input drivers means more capacitance which means you > need your output drivers to put out data sooner (relative to the clock > edge, so registered delays by one clock) and stronger (greater drive > strength). > > In an SMP system (besides NUMA), multiple processors will talk to the > same memory through a shared memory controller (like in a Northbridge), > so although there are multiple processors, there is still only one > memory bus. Pulling off one CPU isn't going to change that situation. >
Here's a URL:
http://www.simmtester.com/PAGE/memory/memfaq.asp?cat=6&subcat=&tableView=detail&faqId=15
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