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by adrian_b 19 hours ago
That is why every subsystem must have means to detect the failures, to allow the replacement of the bad components.

ECC in DIMMs achieves this.

For myself, this has been the greatest advantage of always using ECC, that I have been warned early about the great increase in the frequency of errors in some DIMMs, after many years (over 5 years) of continuous usage, which has allowed me to replace the offending DIMMs and continue to use those systems for some more years.