[ale] call me stupid but.......

[Jeff Hubbs]

This is especially useful for really-high-RAM systems (>1GB) because the
number of bits being stored becomes significant compared to the
estimated probability of a spontaneous bit-flip (cosmic-ray-induced)
over the operational life of the machine.

- Jeff 

On Tue, 2002-07-02 at 02:50, Jordi S. Bunster wrote:
> 7/2/02 2:30:40 AM, Stephen Turner <artic_knight at yahoo.com> wrote:
> 
> >whats ecc ram? ive been looking at ddr, i think what i got is 2100
> >(266mhz) but whats this ecc ddr ram? whats ecc? and where do i find out
> >about such terms that i might not know of just yet?
> 
> ECC stands for Error Checking Code, As far as I can remember. It can detect almost any single bit 
> error per page in your data, and some two bit ones, and correct it at the hardware level, before 
> the OS (or microprocessor, for that matter) even touches the data.
> 
> Most serious UNIX servers ship with ECC RAM. It may be more expensive, but it really gives you 
> and extra bit of reliability depending on your needs. Some architectures (anyone, please correct 
> me on these, potentially wrong statement) only allow ECC RAM, like the workstations from Sun, for 
> example.
> 
> If you're interested in buying it, avoid "ECC compatible" memory. As Eric says, this is the 
> marketing term for "We're too cheap to implement ECC". :)
> 
>  -- Jordi
> 
> 
> 
> 
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