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SubjectRe: NMI ??
> That requires ECC ram - expensive but cute. said:
> Not exactly. There are quite a few Motherboards with ECC support on
> stadard memory with parity bit. Idea is the following: since there are
> 64bit bus anyway you can use 8parity bits (full byte!) for each 8bytes
> to implement ECC ! Of course SIMM's with fake parity bit will screw
> such motherboard like a hell :-/

That's how my alpha PC164 motherboard works.

And yes, fake parity DRAM screws it like all hell.

And also yes, true parity ram, especially SIMMS, is much more expensive
then the non-parity stuff. This I am painfully aware of.
Steve Williams "The woods are lovely, dark and deep. But I have promises to keep, and lines to code before I sleep, And lines to code before I sleep."

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