[X4U] Mac Pro RAM question

Christopher Collins maclist at analogdigital.com.au
Mon Aug 16 14:38:08 PDT 2010


3 memory channels, not 3 memory modules. Memory channels do not need to be directly mapped to memory modules.

Different thing.

cjc

On 16/08/2010, at 11:57 PM, Zane H. Healy wrote:

> Here is the info on the CPU's, and they list them all as having three memory channels.  I've yet to see any details on the chipset used in the new systems.  It's not easy finding any *real* info on them. :-(
> http://ark.intel.com/Compare.aspx?ids=41313,39721,47917,40200,47925,47922,47920,
> 
> Zane
> 
> 
> At 5:38 PM +1000 8/16/10, Christopher Collins wrote:
>> Actually, the chipset used in the new Mac Pros (H55) I believe uses pairs or memory modules, not triples.
>> 
>> Depends on the chipset what is required.
>> 
>> cjc
>> 
>> 
>> On 16/08/2010, at 11:59 AM, Zane H. Healy wrote:
>> 
>> > While they have 4 slots in a single CPU model, and 8 slots in the dual CPU model, they are designed such that you have 'triple channel memory'.  Putting 4 or 8 sticks in works, but you degrade your performance.
>> >
>> > Zane



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