ECC support

Peter Jeremy peter at rulingia.com
Sat Sep 19 06:11:04 UTC 2015


On 2015-Sep-18 00:05:35 +0100, Bob Bishop <rb at gid.co.uk> wrote:
>The answer is quite interesting. A few process shrinks ago, alpha particle effects were becoming worryingly intrusive and everybody was concerned how much smaller features on ICs could actually be pushed.

I recall when the 64kb DRAMs first appeared and alpha particle hits were
suddenly a critical issue - the doomsayers were claiming DRAM cells couldn't
be shrunk any further.  I suspect moving from CERDIP to plastic packages
and adding suitable coatings to stop alpha particles helped.  In any case,
things have shrunk by about 5 orders of magnitude and no-one mentions alpha
particles any more.

-- 
Peter Jeremy
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