[Beowulf] X5500 - ECC Registered or Unbuffered?

Orion Poplawski orion at cora.nwra.com
Wed Apr 1 18:47:20 EDT 2009


Jan Heichler wrote:
> 
> Don't forget DDR3-ECC memory which must be registered.


http://www.siliconmechanics.com/i22789/2U-4-node-server.php shows 
options for "ECC Unbuffered" or "ECC Registered".  No idea what the 
practical difference would be.  Anyone?

> 
> To my knowledge Intel is the only plattform using that now. It is more 
> expensive than DDR2-800 (for Opterons)... hopefully that will change 
> (quickly). 

But not all that much it seems?

-- 
Orion Poplawski
Technical Manager                     303-415-9701 x222
NWRA/CoRA Division                    FAX: 303-415-9702
3380 Mitchell Lane                  orion at cora.nwra.com
Boulder, CO 80301              http://www.cora.nwra.com
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