[Beowulf] ECC support on motherboards?

Joel Jaeggli joelja at bogus.com
Mon May 12 19:45:14 EDT 2008


Perry E. Metzger wrote:
> Given that one is doing very long computations, it seems obvious to me
> that you're likely to get memory errors that alter your computations
> if you only run long enough. ECC memory thus seems like a near
> necessity these days.
> 
> However, I've been finding it increasingly difficult to figure out,
> based on manufacturers blurbs, whether or not given motherboards
> support ECC memory properly. Anyone have any tips on how to determine
> it easily?

if you're operating at the component level it's a question which core 
logic chipsets are in use.

In the amd case all socket F cpu's support ecc.

In the intel case. the uniprocessor xeon chipsets like 3000 and 3200 
support unbuffered ecc ddr2 dimms. all 5000 chipsets support ecc 
fbdimms. The older 7xxx xeon supporting chipsets support ddr or ddr2 
registerd dimms with ecc.

only with the single socket intel lga775 systems is there serious 
ambiguity at this point.

> 
> Perry
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