Re: ECC support
Peter Jeremy <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.hardware,gmane.os.freebsd.devel.hackers |
|---|---|
| Message-ID | <[email protected]> |
On 2015-Sep-18 00:05:35 +0100, Bob Bishop <[email protected]> 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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