64bit amd 3700++ and they don't want me to use ecc mem -- CPU, not mainboard

[peter at farrows.org (Peter Farrow)]

I think you all might find this useful:

http://www.short-media.com/review.php?r=247



Peter Arremann wrote:

>On Wednesday 28 December 2005 20:22, Bryan J. Smith wrote:
>  
>
>>It's not the mainboard.  It's the processor.
>>
>>The memory controller is on the _CPU_, _not_ the mainboard or
>>its chipsets.  There are literally 368 traces on a
>>Socket-939/940 mainboard to its DIMMs -- 2 sets of 184-pin
>>DDR.
>>
>>AMD Socket-939 uses Unregistered
>>AMD Socket-940 uses Registered
>>
>>AMD Athlon 64 are configured to use non-ECC
>>AMD Opteron are configured to use non-ECC or ECC
>>    
>>
>
>Wrong. Several higher end boards for socket 939 chipsets can enable ECC. 
>The only difference between Athlon64 and Opterons (940, not 939) is the 
>registered part. 
>
>MSI K8N Diamond Plus (manual page 3-11 for enabling ECC)
>ASUS A8N32-SLI Deluxe - QVL and spec sheet list both ECC and non ECC. 
>AMD Athlon64 spec sheet lists that both ECC and non-ECC modules are supported. 
>
>Most low end boards do not have a way to enable ECC. Many don't work if you 
>insert ECC modules. Most higher end socket 939 boards allow you to use ECC 
>
>Peter.
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